BIOS In/Out port map

PORT 0000-001F - DMA 1 - FIRST DIRECT MEMORY ACCESS CONTROLLER (8237)
PORT 0010-001F - DMA CONTROLLER (8237) ON PS/2 MODEL 60 & 80
PORT 0020-003F - PIC 1 - PROGRAMMABLE INTERRUPT CONTROLLER (8259A)
PORT 0022 - Intel 82439TX Chipset - Power Control register
PORT 0022 - Intel 82443BX - "PM2_CTL" ACPI Power Control 2 Register
PORT 0022-0023 - CHIP SET DATA
PORT 0022-0023 - Cyrix Cx486SLC/DLC PROCESSOR - CACHE CONFIGURATION REGISTERS
PORT 0022-0023 - Cyrix 486S2/D2/DX/DX2/DX4 PROCESSOR - CONFIGURATION REGISTERS
PORT 0022-0023 - Cyrix 5x86 PROCESSOR - CONFIGURATION CONTROL REGISTERS
PORT 0022-0023 - Cyrix 6x86 PROCESSOR - CONFIGURATION CONTROL REGISTERS
PORT 0022-0023 - GoldStar 286 - CHIP SET CONFIGURATION REGISTERS
PORT 0022-0023 - Intel 82358DT 'Mongoose' EISA CHIPSET - 82359 DRAM CONTROLLER
PORT 0022-0023 - Intel 82374EB/SB EISA CHIPSET
PORT 0022-0023 - CHIPSET FROM ETEC CHEETAH ET6000 (SINGLE CHIP)
PORT 0022-0023 - Hewlett-Packard Hornet chipset (HP 100LX/200LX)
PORT 0022-0023 - Chips&Technologies 82C100/110 - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 82C235 "SCAT" - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 82C311 - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 82C315 - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 82C316 - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 82C811/82C812 - CONFIGURATION REGISTERS
PORT 0022-0023 - Chips&Technologies 84031/84035 - CONFIGURATION REGISTERS
PORT 0022-0023 - OPTi 82C206 chipset - CONFIGURATION REGISTERS
PORT 0022-0023 - Intel 82091AA Advanced Integrated Peripheral
PORT 0022-0024 - CHIPSET FROM PICO POWER, UMC or PCChips
PORT 0022-0024 - OPTi 82C281/282/283 CHIPSETS - CONFIGURATION REGISTERS
PORT 0022-0024 - OPTi 82C291/82C295 CHIPSETS - CONFIGURATION REGISTERS
PORT 0022-0024 - OPTi 82C381/82C382 CHIPSETS - CONFIGURATION REGISTERS
PORT 0022-0024 - OPTi 82C463MV CHIPSET - CONFIGURATION REGISTERS
PORT 0022-0024 - OPTi 82C493 System Controller (SYSC) - CONFIGURATION REGISTERS
PORT 0022-0024 - OPTi "Viper" (82C557) CHIPSET - SYSTEM CONTROL REGISTERS
PORT 0022-0024 - OPTi "Vendetta" (82C750) CHIPSET - SYSTEM CONTROL REGISTERS
PORT 0022-0025 - INTEL 82360SL CHIPSET (FOR 386SL)
PORT 0022-002B - INTEL 82355, PART OF CHIPSET FOR 386sx
PORT 0024-0025 - Intel 82091AA Advanced Integrated Peripheral
PORT 0024-0026 - PicoPower Vesuvius - V3-LS
PORT 0024-0027 - PicoPower Vesuvius - V1-LS
PORT 0024-0029 - HEADLAND HTK340 SHASTA 386/486 CHIPSET
PORT 0026-0027 - INTEL 82347 POWER MANAGEMENT PERIPHERAL
PORT 0026-0027 - Chips&Technologies CS4021 - "SuperState V" ALTERNATE CONFIG
PORT 0028-002A - 80486 "Deep Green" motherboard - ???
PORT 002E-002F - DELL ENHANCED PARALLEL PORT
PORT 002E-002F - Intel "Nonolet" Motherboard - POWER MANAGEMENT
PORT 002E-002F - NS PC87306 SuperI/O - CONFIGURATION REGISTERS
PORT 0038-003F - PC radio by CoZet Info Systems
PORT 0040-005F - PIT - PROGRAMMABLE INTERVAL TIMER (8253, 8254)
PORT 0044-0047 - Microchannel - PROGRAMMABLE INTERVAL TIMER 2
PORT 0048-004B - EISA - PROGRAMMABLE INTERVAL TIMER 2
PORT 0050-0052 - Olivetti M24 - 8530 SIO CHIP
PORT 0060-006F - KEYBOARD CONTROLLER 804x (8041, 8042) (or PPI (8255) on PC,XT)
PORT 0065 - AT&T 6300+ - HIGH/LOW CHIP SELECT
PORT 0065 - ???
PORT 0065-0066 - Olivetti M24
PORT 0066-0067 - AT&T 6300+ - SYSTEM CONFIGURATION SWITCHES
PORT 0066 - IBM 4717 Magnetic Stripe Reader - ???
PORT 0068 - C&T CHIPSETS - TURBO MODE CONTROL
PORT 0068-006F - HP Vectra Human Interface Link
PORT 0069 - IBM 4717 Magnetic Stripe Reader - ???
PORT 006B-006F - SSGA CONTROL REGISTERS
PORT 0070-007F - CMOS RAM/RTC (REAL TIME CLOCK)
PORT 0072 - Chips&Technologies 82C100 - NMI CONTROL
PORT 0072-0075 - AMD-645 Peripheral Bus Controller - ACCESS TO EXTENDED CMOS
PORT 0073 - Intel 82378IB ("Saturn"/"Neptune" chipsets) - MBOARD CONFIGURATION
PORT 0074-0076 - SECONDARY CMOS (Compaq), NVRAM (IBM) ACCESS
PORT 0075 - Intel 82378IB ("Saturn"/"Neptune" chipsets) - MBOARD CONFIGURATION
PORT 0078 - HP-Vectra - HARD RESET: NMI ENABLE/DISABLE
PORT 0078 - Intel 82378IB ("Saturn"/"Neptune" chipsets) - BIOS COUNT-DOWN TIMER
PORT 0078-007F - PC radio by CoZet Info Systems
PORT 007C-007D - HP-Vectra - PIC 3 - PROGRAMMABLE INTERRUPT CONTROLLER (8259)
PORT 007E - Chips&Technologies 82C100/110 - NMI STATUS
PORT 007F - Chips&Technologies 82C100/110 - POWER CONTROL AND RESET
PORT 0080 - MANUFACTURING DIAGNOSTICS PORT
PORT 0080-008F - DMA PAGE REGISTERS (74612)
PORT 0080-009F - Intel386sx CHIPSET 82231
PORT 0084 - Compaq POST Diagnostic
PORT 0084 - EISA - SYNCHRONIZE BUS CYCLE
PORT 0085-0086 - Intel "Triton" chipset - ???
PORT 0090-009F - PS/2 - POS (PROGRAMMABLE OPTION SELECT)
PORT 00A0-00AF - PIC 2 - PROGRAMMABLE INTERRUPT CONTROLLER (8259A)
PORT 00A0 - XT - NMI MASK REGISTER
PORT 00A0-00AF - Chips&Technologies 82C100/110 - NMI CONTROL
PORT 00A8-00A9 - Via VT82C496G "Pluto" - CONFIGURATION REGISTERS
PORT 00A8-00AC - Via VT82C570M "Apollo Master" - CONFIGURATION REGISTERS
PORT 00A8-00A9 - Via VT82C586A - GPIO
PORT 00B0-00BF - PC radio by CoZet Info Systems
PORT 00B2 - Intel chipsets - Advanced Power Management Control
PORT 00B3 - Intel chipsets - Advanced Power Management Status
PORT 00C0 - TI SN746496 programmable tone/noise generator (PCjr)
PORT 00C0-00DF - DMA 2 - SECOND DIRECT MEMORY ACCESS CONTROLLER (8237)
PORT 00E0-00E1 - CHIPSET FROM ACT
PORT 00E0-00E7 - MICROCHANNEL
PORT 00E0-00EF - IBM PS/1 CLOCK
PORT 00E1 - STB PowerMEG - ???
PORT 00E2 - S3 Trio64V+ - I2C PORT
PORT 00E8 - S3 Trio64V+ - I2C PORT
PORT 00EB - Intel "Triton" chipset - ???
PORT 00EB - DUMMY PORT FOR DELAY???
PORT 00EC-00ED - Compaq LTE Elite
PORT 00ED - DUMMY PORT FOR DELAY???
PORT 00EF - Hyunday Super-NB386S (AMD386sx with Intel chipset)
PORT 00F0-00F5 - PCjr Disk Controller
PORT 00F0-00FF - MATH COPROCESSOR (8087..80387)
PORT 00F9 - Compaq LTE Elite
PORT 00FB - Compaq LTE Elite
PORT 00F9-00FF - PC radio by CoZet Info Systems
PORT 0100 - 3COM 3C509 Ethernet card - ID port
PORT 0100-0107 - PS/2 POS (Programmable Option Select)
PORT 0100-010F - CompaQ Tape drive adapter. alternate address at 0300
PORT 0102 - Chips & Technologies 64310 - GLOBAL ENABLE REGISTER
PORT 0106 - Chips & Technologies 64310 - MOTHERBOARD DISABLE REGISTER
PORT 0108-010F - IBM PS/2 - 8 digit LED info panel
PORT 0110 - 3COM 3C509 Ethernet card - ID port (alternate address)
PORT 0120 - 3COM 3C509 Ethernet card - ID port (alternate address)
PORT 0130-013F - CompaQ SCSI adapter. alternate address at 0330
PORT 0130-0133 - Adaptec 154xB/154xC SCSI adapter
PORT 0134-0137 - Adaptec 154xB/154xC SCSI adapter
PORT 0138-013F - PC radio by CoZet Info Systems
PORT 0140-014F - SCSI (alternate Small Computer System Interface) adapter
PORT 0140-014F - Xirlink/Relialogic XL-220/221 SCSI adapter
PORT 0140-014F - Future Domain TMC-16x0 SCSI adapter
PORT 0140-014F - Quantum ISA-200S/250MG SCSI adapter
PORT 0140-0157 - RTC (alternate Real Time Clock for XT)  (1st at 0340-0357)
PORT 0140-015F -  Adaptec AHA-152x SCSI adapter
PORT 0150-015F - Xirlink/Relialogic XL-220/221 SCSI adapter
PORT 0150-015F - Future Domain TMC-16x0 SCSI adapter
PORT 0150-015F - Quantum ISA-200S/250MG SCSI adapter
PORT 015C-015D - Dell Enhanced Parallel Port
PORT 015F - ARTEC Handyscanner A400Z.  alternate address at 35F.
PORT 0160-016F - Xirlink/Relialogic XL-220/221 SCSI adapter
PORT 0160-016F - Future Domain TMC-16x0 SCSI adapter
PORT 0160-016F - Quantum ISA-200S/250MG SCSI adapter
PORT 0168-016F - 4th (Quaternary) EIDE Controller
PORT 0170-0176 - OPTi "Vendetta" (82C750) CHIPSET - SECONDARY IDE CONTROLLER
PORT 0170-0177 - HDC 2  (2nd Fixed Disk Controller) (ISA, EISA)
PORT 0170-017F - Xirlink/Relialogic XL-220/221 SCSI adapter
PORT 0170-017F - Future Domain TMC-16x0 SCSI adapter
PORT 0170-017F - Quantum ISA-200S/250MG SCSI adapter
PORT 0178-0179 - Power Management
PORT 0178-017F - PC radio by CoZet Info Systems
PORT 01CE-01CF - ATI Mach32 video chipset - ???
PORT 01E8-01EF - Headland HL21 & Acer M5105 chipsets - SYSTEM CONTROL
PORT 01E8-01EF - 3rd (Tertiary) EIDE Controller
PORT 01F0-01F7 - HDC 1  (1st Fixed Disk Controller) (ISA, EISA)
PORT 01F0-01F6 - OPTi "Vendetta" (82C750) CHIPSET - PRIMARY IDE CONTROLLER
PORT 01F8 - ???
PORT 01F9-01FF - PC radio by CoZet Info Systems
PORT 0200 - Digidesign 'Session 8' HARD-DISK RECORDING SYSTEM
PORT 0200-020F - Game port reserved I/O address space
PORT 0200-02FF - Sunshine uPW48, programmer for EPROM version CPU's 8748/8749
PORT 0208-0209 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 0208-020A - Chips&Technologies 82C235 "SCAT" chipset - EMS PAGE REGISTERS
PORT 020C-020F - AIMS LAB PC Radio
PORT 0210-0217 - Expansion unit (XT)
PORT 0210-0211 - Game Blaster
PORT 0218-0219 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 0218-021A - Chips&Technologies 82C235 "SCAT" chipset - EMS PAGE REGISTERS
PORT 0220-0223 - Sound Blaster / Adlib port (Stereo)
PORT 0220-0227 - Soundblaster PRO and SSB 16 ASP
PORT 0220-0228 - C&T 82C570 CHIPSlink '3270' Protocol Controller
PORT 0220-022F - Soundblaster PRO 2.0
PORT 0220-022F - Soundblaster PRO 4.0
PORT 022B - GI1904 Scanner Interface Adapter
PORT 022C - GS-IF Scanner Interface adapter
PORT 022F - mc-soundmachine, mc 03-04/1992 - SPEECH I/O
PORT 0230-0233 - Adaptec 154xB/154xC SCSI adapter.
PORT 0234-0237 - Adaptec 154xB/154xC SCSI adapter.
PORT 0238-023F - COM port addresses on UniRAM card by German magazine c't
PORT 0238-023B - Bus Mouse Port (secondary address)
PORT 023C-023F - Bus Mouse Port (primary address)
PORT 0240-024F - Gravis Ultra Sound by Advanced Gravis
PORT 0240-0257 - RTC (alternate Real Time Clock for XT)  (1st at 0340-0357)
PORT 0258-0259 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 0258-0259 - AT RAMBANK Memory Expansion Board - EXT MEMORY AND EMS-SUPPORT
PORT 0258-025F - Intel Above Board
PORT 0260-0268  -  LPT port address on the UniRAM card by German magazine c't
PORT 0268-0269 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 026B - GI1904 Scanner Interface Adapter
PORT 026C - GS-IF Scanner Interface adapter
PORT 026E-026F - Dell Enhanced Parallel Port
PORT 026E-026F - Intel 82091AA Advanced Integrated Peripheral
PORT 0278 - Covox 'Speech Thing' COMPATIBLES
PORT 0278-027A - PARALLEL PRINTER PORT (usually LPT1, sometimes LPT2)
PORT 0278-027F - Intel 82360SL/82091AA - EPP-mode PARALLEL PORT
PORT 0279 - Plug-and-Play - CONFIGURATION REGISTER
PORT 0280 - LCD display on Wyse 2108 PC
PORT 0280-0288  - non-standard COM port addresses (V20-XT by German magazine c't)
PORT 0280-0283 - Pro Audio Spectrum 16 (PAS16)
PORT 0288-028F  - non-standard COM port addresses (V20-XT by German magazine c't)
PORT 0284-0287 - Pro Audio Spectrum 16 (PAS16)
PORT 0288-028F - Pro Audio Spectrum 16 (PAS16)
PORT 028C-028F - Pro Audio Spectrum 16 (PAS16)
PORT 02A0-02A7 - Sunshine EW-901BN, EW-904BN
PORT 02A2-02A3 - MSM58321RS clock
PORT 02A8-02A9 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 02AB - GI1904 Scanner Interface Adapter (default)
PORT 02AC - GS-IF Scanner Interface adapter
PORT 02B0-02BF - Trantor SCSI adapter
PORT 02B0-02DF - alternate EGA, primary EGA at 03C0
PORT 02B8-02B9 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 02C0-02Cx - AST-clock
PORT 02C0-02DF - XT-Real Time Clock 2 (default jumpered address)
PORT 02C0-02CF - EGA (2nd adapter)
PORT 02C6-02C9 - VGA/MCGA - DAC REGISTERS (alternate address)
PORT 02D0-02DA - C&T 82C570 CHIPSlink '3270' Protocol Controller
PORT 02E0-02E8 - LPT port address on the UniRAM card by German magazine c't
PORT 02E0-02EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT 02E0-02EF - data aquisition         (AT)
PORT 02E8 - S3 86C928 video controller (ELSA Winner 1000)
PORT 02E8-02E9 - Intel 82C212B "Neat" chipset - EMS emulation control
PORT 02E8-02EF - serial port, same as 02F8, 03E8 and 03F8 (COM4)
PORT 02E8-02EF - 8514/A and compatible (e.g. ATI Graphics Ultra)
PORT 02EA - S3 86C928 video controller (ELSA Winner 1000)
PORT 02EB - GI1904 Scanner Interface Adapter
PORT 02EC - GS-IF Scanner Interface adapter
PORT 02F0-02F8 - LPT port address on the UniRAM card by German magazine c't
PORT 02F8-02FF - serial port, same as 02E8, 03E8 and 03F8 (COM2)
PORT 0300 - Award POST Diagnostic
PORT 0300 - Digidesign 'Session 8' HARD-DISK RECORDING SYSTEM
PORT 0300-0301 - MPU-401 MIDI UART
PORT 0300-0301 - Soundblaster 16 ASP MPU-Midi EMULATION
PORT 0300-???? - HP IEC/HP-IB adapter (e.g. for use with tape streamer HP9142)
PORT 0300-0303 - Panasonic 52x CD-ROM SCSI Miniport
PORT 0300-030F - Philips CD-ROM player CM50
PORT 0300-030F - CompaQ Tape drive adapter. alternate address at 0100
PORT 0300-031F - 3com Ethernet adapters (default address)
PORT 0300-031F - NE2000 compatible Ethernet adapters
PORT 0300-031F - AMD PCnet - NE2100-compatible Ethernet adapters
PORT 0300-031F - prototype cards
PORT 030C-030F - AIMS LAB PC Radio
PORT 0310-0311 - MPU-401 MIDI UART
PORT 0310-031F - Philips CD-ROM player CM50
PORT 0320-0321 - MPU-401 MIDI UART
PORT 0320-0323 - XT HDC 1   (Hard Disk Controller)
PORT 0324-0327 - XT HDC 2   (Hard Disk Controller)
PORT 0328-032B - XT HDC 3   (Hard Disk Controller)
PORT 032B - GI1904 Scanner Interface Adapter
PORT 032C - GS-IF Scanner Interface adapter
PORT 032C-032F - XT HDC 4   (Hard Disk Controller)
PORT 032C-032F - AMD InterWave
PORT 0330-0331 - MPU-401 MIDI UART
PORT 0330-0333 - Adaptec 154xB/154xC SCSI adapter (default address)
PORT 0330-033F - CompaQ SCSI adapter. alternate address at 0130
PORT 0330-033F - Philips CD-ROM player CM50
PORT 0334-0337 - Adaptec 154xB/154xC SCSI adapter.
PORT 0338 - AdLib soundblaster card
PORT 0338-033F - COM port addresses on UniRAM card by German magazine c't
PORT 0340-034F - Philips CD-ROM player CM50
PORT 0340-034F - SCSI (1st Small Computer System Interface) adapter
PORT 0340 - Crystal Semiconductor CDB4922 evaluation board
PORT 0340-034F - Gravis Ultra Sound by Advanced Gravis
PORT 0340-0357 - RTC (1st Real Time Clock for XT)
PORT 0340-035F -  Adaptec AHA-152x SCSI adapter
PORT 0348-0357 - DCA 3278
PORT 034C-034F - Gravis UltraMax by Advanced Gravis
PORT 0352 - PC104 - WATCHDOG TIMER RESET
PORT 035A-035B - Adaptec AH1520 jumper settings
PORT 035F - ARTEC Handyscanner A400Z.  alternate address at 15F.
PORT 0360-0367 - PC network (XT only)
PORT 0360-036F - PC network (AT)
PORT 0360-036F - National Semiconductor DP8390(1)C/NS3249C network chipset
PORT 036B - GI1904 Scanner Interface Adapter
PORT 036C - GS-IF Scanner Interface adapter
PORT 0370-0377 - FDC 2  (2nd Floppy Disk Controller)    first FDC at 03F0
PORT 0378 - Covox 'Speech Thing' COMPATIBLE SPEECH OUTPUT
PORT 0378-037A - PARALLEL PRINTER PORT (usually LPT2, sometimes LPT3)
PORT 0378-037F - Intel 82360SL/82091AA - EPP-mode PARALLEL PORT
PORT 037C-037F - C&T F87000 Multi-Mode Peripheral Chip - OUTPUT PORTS
PORT 0380-038F - 2nd BSC (Binary Synchronous Communication) adapter
PORT 0380-038C - 2nd SDLC (Synchronous Data Link Control) adapter
PORT 0384-0387 - Pro Audio Spectrum 16 (PAS16)
PORT 0388-0389 - AdLib - MONO SOUND OUTPUT
PORT 0388-0389 - Soundblaster PRO FM-Chip
PORT 0388-038B - Soundblaster 16 ASP FM-Chip
PORT 0388-038B - Pro Audio Spectrum 16 (PAS16)
PORT 0388-038F - mc-soundmachine, mc 03-04/1992 - SPEECH I/O
PORT 038C-038F - Pro Audio Spectrum 16 (PAS16)
PORT 0390-0397 - Sunshine EW-901B, EW-904B
PORT 0390-039F - Cluster adapter (AT)
PORT 0398-0399 - Dell Enhanced Parallel Port
PORT 0398-0399 - Intel 82091AA Advanced Integrated Peripheral
PORT 03A0-03AC - 1st SDLC (Binary Synchronous Data Link Control adapter)
PORT 03A0-03AF - 1st BSC (Binary Synchronous Communication) adapter
PORT 03AB - GI1904 Scanner Interface Adapter
PORT 03AC - GS-IF Scanner Interface adapter
PORT 03B0-03BF - MDA  (Monochrome Display Adapter based on 6845)
PORT 03BC-03BF - PARALLEL PRINTER PORT (MDA's LPT1)
PORT 03BF - Hercules configuration switch register
PORT 03C0-03C1 - EGA/VGA - ATTRIBUTE CONTROLLER
PORT 03C0-03C7 - Sunshine EW-901, EW-901A, EW-904, EW-904A
PORT 03C2-03CF - EGA/VGA - MISCELLANEOUS REGISTERS
PORT 03C4-03C5 - EGA/VGA - SEQUENCER REGISTERS
PORT 03C4-03C5 - Cirrus Logic GRAPHICS - EXTENDED SEQUENCER REGISTERS
PORT 03C4-03C5 - NVIDIA - EXTENDED SEQUENCER REGISTERS
PORT 03C4-03C5 - S3 GRAPHICS - EXTENDED SEQUENCER REGISTERS
PORT 03C4-03C5 - Tseng Labs GRAPHICS - EXTENDED SEQUENCER REGISTERS
PORT 03C6-03C9 - EGA/VGA/MCGA - DAC REGISTERS
PORT 03CA-03CD - EGA/VGA/MCGA - GRAPHICS POSITION
PORT 03CE-03CF - EGA/VGA/MCGA - GRAPHICS CONTROLLER REGISTERS
PORT 03CE-03CF - Chips&Technologies - GRAPHICS CONTROLLER EXTENDED REGISTERS
PORT 03CE-03CF - Compaq Qvision - Functionality Level
PORT 03D0-03D3 - CGA (Color Graphics Adapter) - MIRRORS OF 03D4/03D5
PORT 03D4-03D5 - COLOR VIDEO - CRT CONTROL REGISTERS
PORT 03D4-03D5 - Chips&Technologies VIDEO CHIPS - EXTENDED CRT CONTROL REGISTERS
PORT 03D4-03D5 - Cirrus Logic VIDEO CHIPS - EXTENDED CRT CONTROL REGISTERS
PORT 03D4-03D5 - S3 VIDEO CHIPS - EXTENDED CRT CONTROL REGISTERS
PORT 03D4-03D5 - Tseng Labs VIDEO CHIPS - EXTENDED CRT CONTROL REGISTERS
PORT 03D6-03D7 - CGA (Color Graphics Adapter) - MIRRORS OF 03D4/03D5
PORT 03D6-03D7 - Chips&Technologies VGA - EXTENSION REGISTERS
PORT 03D8-03DF - COLOR VIDEO - CRT MODE AND STATUS REGISTERS
PORT 03E0-03E1 - OPTi 82C824 - CardBus Bridge registers
PORT 03E0-03E1 - Cirrus Logic CL-PD6710/6722/6729 - PC-CARD HOST ADAPTER
PORT 03E0-03E7  - LPT port address on the UniRAM card by German magazine c't
PORT 03E0-03E7 - COM port addresses on UniRAM card by German magazine c't
PORT 03E2-03E3 - OPTi 82C824 - CardBus Bridge registers
PORT 03E8-03EF - serial port, same as 02E8, 02F8 and 03F8 (COM3)
PORT 03E8-03EF - COM port addresses on UniRAM card by German magazine c't
PORT 03E8-03EF - LPT port address on the UniRAM card by German magazine c't
PORT 03EB - GI1904 Scanner Interface Adapter
PORT 03EC - GS-IF Scanner Interface adapter
PORT 03F0-03F7 - FDC 1  (1st Floppy Disk Controller)    second FDC at 0370
PORT 03F0-03F1 - PCTech RZ1000 IDE controller
PORT 03F8-03FF - Serial port (8250,8250A,8251,16450,16550,16550A,etc.) COM1

Note:   Addresses above 03FF generally apply to EISA and PCI machines only !
PORT 0401-040B - EISA DMA Controller
PORT 040A-043F - Intel 82378ZB embedded DMA controller
PORT 040D-040F - EISA - Intel 82357
PORT 0461-0462 - EISA NMI CONTROL
PORT 0464-0465 - EISA BUS MASTER STATUS
PORT 0481-048B - EISA DMA page registers
PORT 04C6-04CF - EISA DMA count registers
PORT 04D0-04D1 - EISA IRQ control
PORT 04D4-04D6 - EISA DMA control
PORT 04E0-04FF - EISA DMA stop registers
PORT 0530-0533 - Gravis Ultra Sound Daughter Card by Advanced Gravis
PORT 0530-0537 - Windows Sound System ("WSS") (default address)
PORT 0530-0537 - OPTi "Vendetta" Windows Sound System emulation (default addr)
PORT 05FB - QUAD EMS+ - "QEMS_RESET" - RESET EMS???
PORT 0601 - Headland HL21, Acer M5105 chipsets - SYSTEM CONTROL
PORT 0604-0607 - Gravis Ultra Sound Daughter Card by Advanced Gravis
PORT 0604-060B - Windows Sound System
PORT 0620-0627 - PC network (adapter 1)
PORT 063E-063F - WINTEL.VXD - API
PORT 0678-067A - Intel 82091AA - ECP-mode PARALLEL PORT
PORT 0680-0681 - Microchannel POST Diagnostic (write only)
PORT 06A0-06A8 - non-standard COM port addresses
PORT 06A8-06AF - non-standard COM port addresses
PORT 06E2-06E3 - data aquisition (adapter 1)
PORT 06E8 - S3 86C928 video controller (ELSA Winner 1000)
PORT 06E8-06EF - 8514/A and compatible (e.g. ATI Graphics Ultra) - HORZ DISPLYD
PORT 0746 - Gravis Ultra Sound by Advanced Gravis - BOARD VERSION / MIXER
PORT 0778-077A - Intel 82091AA - ECP-mode PARALLEL PORT
PORT 0790-0793 - cluster (adapter 1)
PORT 07BC-07BE - Intel 82091AA - ECP-mode PARALLEL PORT
PORT 07FB - QUAD EMS+ - "QEMS_INCR" - ???
PORT 0800-08FF - I/O port access registers for extended CMOS RAM or SRAM
PORT 0800-08FF - reserved for EISA system motherboard
PORT 0A20-0A23 - Token Ring (adapter 1)
PORT 0A79 - Plug-and-Play - WRITE DATA PORT
PORT 0AD6-0AD7 - Chips & Technologies PC Video (82C9001A) - CONTROL REGISTERS
PORT 0AE2-0AE3 - cluster (adapter 2)
PORT 0AE8 - S3 86C928 video controller (ELSA Winner 1000)
PORT 0AE8-0AEF - 8514/A and compatible (e.g. ATI Graphics Ultra) - HSYNC START
PORT 0B90-0B93 - cluster (adapter 2)
PORT 0C00 - EISA??? - PAGE REGISTER
PORT 0C00-0CFF - reserved for EISA system motherboard
PORT 0C7C               bit 7-4 (Compaq)
PORT 0C80-0C83 - EISA system board ID registers
PORT 0CF8-0CFF - PCI Configuration Mechanism 1 - Configuration Registers
PORT 0CF8-0CFA - PCI Configuration Mechanism 2 - Configuration Registers
PORT 0CF9 - Intel chipsets - TURBO/RESET CONTROL REGISTER
PORT 0CFB - Intel 82434NX (Neptune) - PCI MECHANISM CONTROL REGISTER
PORT 0E80-0E83 - Gravis Ultra Sound Daughter Card by Advanced Gravis
PORT 0E80-0E87 - Windows Sound System
PORT 0EE8 - S3 86C928 video controller (ELSA Winner 1000)
PORT 0EE8-0EEF - 8514/A and compatible (e.g. ATI Graphics Ultra) - HSYNC WIDTH
PORT 0F40-0F43 - Gravis Ultra Sound Daughter Card by Advanced Gravis
PORT 0F40-0F47 - Windows Sound System
PORT 0F8D - OPTi 82C750 (Vendetta) - AUDIO MODULE BASE ADDRESS REGISTER
PORT 0F8E-0F8F - OPTi "Vendetta" (82C750) CHIPSET - Audio Module Data Registers
PORT 0xx0-0xxF - Intel 82595TX - ISA/PCMCIA Ethernet Controller
PORT 1000-10FF - available for EISA slot 1
PORT 1010 - Wang PC - SCREEN 1 CONFIGURATION PORT
PORT 1020 - Wang PC - SCREEN 2 CONFIGURATION PORT
PORT 1030 - Wang PC - SCREEN 3 CONFIGURATION PORT
PORT 1040 - Wang PC - SCREEN 4 CONFIGURATION PORT
PORT 12E8-12EF - 8514/A and compatible (e.g. ATI Graphics Ultra) - VERT TOTAL
PORT 12EE - ATI Mach32 - CONFIGURATION STATUS 0
PORT 1390-1393 - cluster (adapter 3)
PORT 13C6 - Compaq - VIDEO STATUS???
PORT 1400-14FF - available for EISA slot 1
PORT 16E8-16EF - 8514/A and compatible (e.g. ATI Graphics Ultra) - VERT DISPLYD
PORT 16EE - ATI Mach32 - CONFIGURATION STATUS 1
PORT 1800-18FF - available for EISA slot 1
PORT 1AE8-1AEF - 8514/A and compatible (e.g. ATI Graphics Ultra) - VSYNC START
PORT 1C00-1CFF - available for EISA slot 1
PORT 1C00-1CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 1
PORT 1C65 - Compaq Contura Aero
PORT 1C80-1C8F - VESA XGA Video in EISA slot 1
PORT 1C80-1C83 - EISA board product ID (board in slot 1)
PORT 1C84 - EISA CONFIGURATION FLAGS (board in slot 1)
PORT 1C85 - EISA SETUP CONTROL (board in slot 1)
PORT 1C85 - Compaq Qvision EISA - Virtual Controller ID
PORT 1C88-1C8F - EISA PROGRAMMABLE OPTION SELECT (board in slot 1)
PORT 1EE8-1EEF - 8514/A and compatible (e.g. ATI Graphics Ultra) - VSYNC WIDTH
PORT 1EEC - Mach64 - ???
PORT 2000-20FF - available for EISA slot 2
PORT 2065 - Compaq Contura Aero
PORT 2100 - XGA Video Operating Mode Register
PORT 2101 - XGA Video Aperture Control
PORT 2102-2103 - XGA ???
PORT 2104 - XGA Video Interrupt Enable
PORT 2105 - XGA Video Interrupt Status
PORT 2106 - XGA Video Virtual Memory Control
PORT 2107 - XGA Video Virtual Memory Interrupt Status
PORT 2108 - XGA Video Aperture Index
PORT 2109 - XGA Video Memory Access Mode
PORT 210A - XGA Video Index for Data
PORT 210B - XGA Video Data (byte)
PORT 210C-210F - XGA Video Data (word/dword)
PORT 2110-211F - IBM XGA (eXtended Graphics Adapter  8514/A) (second installed)
PORT 2120-212F - IBM XGA (eXtended Graphics Adapter  8514/A) (third installed)
PORT 2130-213F - IBM XGA (eXtended Graphics Adapter  8514/A) (fourth installed)
PORT 2140-214F - IBM XGA (eXtended Graphics Adapter  8514/A) (fifth installed)
PORT 2150-215F - IBM XGA (eXtended Graphics Adapter  8514/A) (sixth installed)
PORT 2160-216F - IBM XGA (eXtended Graphics Adapter 8514/A) (seventh installed)
PORT 2170-217F - IBM XGA (eXtended Graphics Adapter 8514/A) (eighth installed)
PORT 217A-217B - ET4000/W32 CRTC-B/Sprite
PORT 22E8-22EF - 8514/A and compatible (e.g. ATI Graphics Ultra) - DISPLAY CTRL
PORT 2315 - QUAD EMS+ - "QEMS_BOARD1" - ???
PORT 2316 - QUAD EMS+ - "QEMS_BOARD2" - ???
PORT 2317 - QUAD EMS+ - "QEMS_BOARD3" - ???
PORT 2390-2393 - cluster (adapter 4)
PORT 23C0-23CF - Compaq QVision - BitBLT engine
PORT 2400-24FF - available for EISA slot 2
PORT 2465 - Compaq Contura Aero
PORT 2714 - QUAD EMS+ - "QEMS_BOARD4" - ???
PORT 2715 - QUAD EMS+ - "QEMS_BOARD5" - ???
PORT 2716 - QUAD EMS+ - "QEMS_BOARD6" - ???
PORT 2717 - QUAD EMS+ - "QEMS_BOARD7" - ???
PORT 27C6 - Compaq LTE Lite - LCD TIMEOUT
PORT 2800-28FF - available for EISA slot 2
PORT 28E9 - 8514/A - WD Escape Functions
PORT 2C00-2CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 2
PORT 2C80-2C8F - VESA XGA Video in EISA slot 2
PORT 2C80-2C83 - EISA board product ID (board in slot 2)
PORT 2C84 - EISA CONFIGURATION FLAGS (board in slot 2)
PORT 3000-30FF - available for EISA slot 3
PORT 3220-3227 - serial port 3, description same as 03F8
PORT 3228-322F - serial port 4, description same as 03F8
PORT 33C0-33CF - Compaq QVision - BitBLT engine
PORT 3400-34FF - available for EISA slot 3
PORT 3510-3513 - ESDI primary harddisk controller
PORT 3518-351B - ESDI secondary harddisk controller
PORT 3540-354F - IBM SCSI (Small Computer System Interface) adapter
PORT 3550-355F - IBM SCSI (Small Computer System Interface) adapter
PORT 3560-356F - IBM SCSI (Small Computer System Interface) adapter
PORT 3570-357F - IBM SCSI (Small Computer System Interface) adapter
PORT 36EE - ATI Mach8/Mach32 - FIFO OPTION
PORT 3800-38FF - available for EISA slot 3
PORT 3C00-3CFF - available for EISA slot 3
PORT 3C00-3CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 3
PORT 3C80-3C8F - VESA XGA Video in EISA slot 3
PORT 3C80-3C83 - EISA board product ID (board in slot 3)
PORT 3C84 - EISA CONFIGURATION FLAGS (board in slot 3)
PORT 4000-40FF - available for EISA slot 4
PORT 4220-4227 - serial port, description same as 03F8
PORT 4228-422F - serial port, description same as 03F8
PORT 42E0-42EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT 42E8 - 8514/A and hardware-compatible video cards
PORT 42EC - ATI Mach64 - ???
PORT 42ED - ATI Mach64 - ???
PORT 42EE-42EF - ATI Mach32 - MEMORY BOUNDARY REGISTER
PORT 42EF - ATI Mach64 - ???
PORT 4400-44FF - available for EISA slot 4
PORT 4F15 - Tseng Labs ET6000 - Read EDID through Display Data Channel
PORT 46E8 - VGA - VIDEO ADAPTER ENABLE
PORT 46E8 - 8514/A and compatible (e.g. ATI Graphics Ultra) - ROM PAGE SELECT
PORT 46EE - ATI Mach32 - ???
PORT 46EF - ATI Mach64 - ???
PORT 4800-48FF - available for EISA slot 4
PORT 4AE8-4AE9 - 8514/A and compatible - CRT CONTROL
PORT 4AEE - ATI Mach32 - ???
PORT 4C00-4CFF - available for EISA slot 4
PORT 4C00-4CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 4
PORT 4C80-4C83  EISA board product ID (board in slot 4)
PORT 4C80-4C8F - VESA XGA Video in EISA slot 4 (see 3C80-3C8F)
PORT 4C84 - EISA CONFIGURATION FLAGS (board in slot 4)
PORT 5000-50FF - available for EISA slot 5
PORT 5220-5227 - serial port, description same as 03F8
PORT 5228-522F - serial port, description same as 03F8
PORT 52E8-52E9 - C&T 82c480 - EXTENDED CONFIGURATION REGISTER 0
PORT 52EE-52EF - ATI Mach32 - SCRATCH REGISTER 0 (USED FOR ROM LOCATION)
PORT 5400-54FF - available for EISA slot 5
PORT 56E8-56E9 - C&T 82c480 - EXTENDED CONFIGURATION REGISTER 1
PORT 56EE-56EF - ATI Mach32 - SCRATCH REGISTER 1
PORT 5800-58FF - available for EISA slot 5
PORT 5AE8-5AE9 - C&T 82c480 - EXTENDED CONFIGURATION REGISTER 2
PORT 5AEE - ATI Mach32 - ???
PORT 5C00-5CFF - available for EISA slot 5
PORT 5C00-5CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 5
PORT 5C80-5C8F - VESA XGA Video in EISA slot 5
PORT 5C80-5C83  EISA board product ID (board in slot 5)
PORT 5C84 - EISA CONFIGURATION FLAGS (board in slot 5)
PORT 5EE8-5EE9 - C&T 82c480 - EXTENDED CONFIGURATION REGISTER 3
PORT 5EEE - ATI Mach32 - MEMORY APERTURE CONFIGURATION REGISTER
PORT 6000-60FF - available for EISA slot 6
PORT 62E0-62EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT 63C0-63CF - Compaq QVision - BitBLT engine
PORT 6400-64FF - available for EISA slot 6
PORT 66EC - ATI Mach64 - ???
PORT 6800-68FF - available for EISA slot 6
PORT 6AEC-6AED - ATI Mach64 - ???
PORT 6AEE - ATI Mach8/Mach32 - MAXIMUM WAIT STATES
PORT 6C00-6CFF - available for EISA slot 6
PORT 6C00-6CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 6
PORT 6C80-6C83 - EISA board product ID (board in slot 6)
PORT 6C80-6C8F - VESA XGA Video in EISA slot 1
PORT 6C84 - EISA CONFIGURATION FLAGS (board in slot 6)
PORT 6EEC - ATI Mach64 - ???
PORT 6EEE - ATI Mach8/Mach32 - ENGINE VIDEO BUFFER OFFSET LOW
PORT 7000-70FF - available for EISA slot 7
PORT 72EC - ATI Mach64 - ???
PORT 72EE - ATI Mach8/Mach32 - ENGINE VIDEO BUFFER OFFSET HIGH
PORT 72EE - ATI Mach8/Mach32 - BOUNDS ACCUMULATOR (LEFT)
PORT 72EF - ATI Mach64 - ???
PORT 7400-74FF - available for EISA slot 7
PORT 76EE - ATI Mach8/Mach32 - ENGINE DISPLAY PITCH
PORT 76EE - ATI Mach8/Mach32 - BOUNDS ACCUMULATOR (TOP)
PORT 7800-78FF - available for EISA slot 7
PORT 7AEE - ATI Mach8/Mach32 - EXTENDED GRAPHICS ENGINE CONGIFURATION
PORT 7AEE - ATI Mach8/Mach32 - BOUNDS ACCUMULATOR (RIGHT)
PORT 7C00-7CFF - available for EISA slot 7
PORT 7C00-7CBF -  Adaptec AIC-777x EISA SCSI controller in EISA slot 7
PORT 7C80-7C83 - EISA board product ID (board in slot 7)
PORT 7C80-7C8F - VESA XGA Video in EISA slot 7
PORT 7C84 - EISA CONFIGURATION FLAGS (board in slot 7)
PORT 7EEE - ATI Mach8/Mach32 - BOUNDS ACCUMULATOR (RIGHT)
PORT 8000-80FF - available for EISA slot 8
PORT 82E0-82EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT 82E8-82E9 - 8514/A and compatible - CURRENT Y POSITION
PORT 82EA-82EB - S3 Trio64 - CURRENT Y POSITION 2
PORT 82F8-82FF - serial port, description same as 03F8
PORT 83C0-83CF - Compaq QVision - Line Draw Engine
PORT 83C4 - Compaq Qvision EISA - Virtual Controller Select
PORT 83C6-83C9 - Compaq Qvision EISA - DAC color registers
PORT 83C6-83C9 - Chips&Technologies 64200 (Wingine) - DAC color registers
PORT 83D0-9FD3 - Chips&Techs 64310 - 32-BIT EXTENSION REGS - BitBLT
PORT 83F8-83FF - serial port, description same as 03F8
PORT 8400-84FF - available for EISA slot 8
PORT 86E8-86E9 - 8514/A and compatible - CURRENT X POSITION
PORT 86EA-86EB - S3 Trio64 - CURRENT X POSITION 2
PORT 8800-88FF - available for EISA slot 8
PORT 8AE8-8AE9 - 8514/A and compatible - DESTINATION Y POSITION
PORT 8AEA-8AEB - S3 Trio64 - DESTINATION Y COORD 2 / AXIAL STEP CONSTANT 2
PORT 8C00-8CFF - available for EISA slot 8
PORT 8C80-8C83 - EISA board product ID (board in slot 8)
PORT 8C84 - EISA CONFIGURATION FLAGS (board in slot 8)
PORT 8EE8-8EE9 - 8514/A and compatible - DESTINATION X POSITION
PORT 8EEA-8EEB - S3 Trio64 - DESTINATION X COORD 2 / AXIAL STEP CONSTANT 2
PORT 8EEE - ATI Mach32 - READ EXTENDED GRAPHICS CONFIGURATION
PORT 9000-90FF - available for EISA slot 9
PORT 92E8-92E9 - 8514/A and compatible - BRESENHAM ERROR TERM
PORT 92EA-92EB - S3 Trio64 - LINE ERROR TERM 2
PORT 9400-94FF - available for EISA slot 9
PORT 96E8-96E9 - 8514/A and compatible - MAJOR AXIS PIXEL COUNT
PORT 96EA-96EB - S3 Trio64 - MAJOR AXIS PIXEL COUNT 2
PORT 9800-98FF - available for EISA slot 9
PORT 9AE8-9AE9 - 8514/A and compatible - GRAPHICS PROCESSOR STATUS / COMMAND
PORT 9AEA-9AEB - S3 Trio64 - DRAWING COMMAND 2
PORT 9AEE - ATI Mach8/Mach32 - LINEDRAW INDEX REGISTER
PORT 9C00-9CFF - available for EISA slot 9
PORT 9C80-9C83 - EISA board product ID (board in slot 9)
PORT 9C84 - EISA CONFIGURATION FLAGS (board in slot 9)
PORT 9EE8-9EE9 - 8514/A and compatible - SHORT STROKE VECTORS
PORT A220 - soundblaster support in AMI Hi-Flex BIOS  ????
PORT A2E0-A2EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT A2E8-A2EB - 8514/A and compatible - BACKGROUND COLOR
PORT A2EE-A2EF - ATI Mach8/Mach32 - LINE DRAW OPTIONS
PORT A3D0-BFD3 - Chips&Techs 64310 - 32-BIT EXTENSION REGS - CURSOR CONTROL
PORT A6E8-A6EB - 8514/A and compatible - FOREGROUND COLOR
PORT AAE8-AAEB - 8514/A and compatible - WRITE MASK
PORT AEE8-AEEB - 8514/A and compatible - READ MASK
PORT AFFF - VIDEO REGISTER
PORT B220-B227 - serial port, description same as 03F8
PORT B228-B22F - serial port, description same as 03F8
PORT B2E8-B2EB - 8514/A and compatible - COLOR COMPARE
PORT B2EE - ATI Mach32 - ???
PORT B6E8-B6E9 - 8514/A and compatible - BACKGROUND MIX
PORT B6EE - ATI Mach32 - ???
PORT BAE8-BAE9 - 8514/A and compatible - FOREGROUND MIX
PORT BAEE - ATI Mach32 - ???
PORT BEE8-BEE9 - 8514/A and compatible - MULTIFUNCTION CONTROL
PORT C000-CFFF - PCI Configuration Mechanism 2 - CONFIGURATION SPACE
PORT C100-C1FF - Intel Pentium mboard - PCTech RZ1000 EIDE controller
PORT C200-C204 - Intel Pentium mboard ("Neptune" chipset)
PORT C220-C227 - serial port, description same as 03F8
PORT C228-C22F - serial port, description same as 03F8
PORT C244 - Intel Pentium mboard ("Neptune" chipset)
PORT C2E0-C2EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT C2EE - ATI Mach32 - ???
PORT C6EE - ATI Mach32 - SHORT-STROKE VECTOR
PORT CAEE - ATI Mach32 - ???
PORT CEEE - ATI Mach8/Mach32 - DATAPATH CONFIGURATION
PORT D220-D227 - serial port, description same as 03F8
PORT D228-D22F - serial port, description same as 03F8
PORT D2EE - ATI Mach32 - ???
PORT DAEE-DAEF - ATI Mach8/Mach32 - SCISSORS REGION (LEFT)
PORT DEEE-DEEF - ATI Mach8/Mach32 - SCISSORS REGION (TOP)
PORT E2E0-E2EF - GPIB (General Purpose Interface Bus, IEEE 488 interface)
PORT E2E8-E2E9 - 8514/A and compatible - PIXEL DATA TRANSFER
PORT E2EE-E2EF - ATI Mach8/Mach32 - SCISSORS REGION (BOTTOM)
PORT E6EE-E6EF - ATI Mach8/Mach32 - SCISSORS REGION (RIGHT)
PORT EAE8-EAEB - S3 Trio64 - PATTERN
PORT EDC0-EDC1 - DR DOS BATTERYMAX - DYNAMIC IDLE DETECTION
PORT FAEE - ATI Mach32 - CHIP IDENTIFICATION REGISTER
PORT FEEE-FEEF - ATI Mach8/Mach32 - DIRECT LINE DRAW REGISTER
PORT xxxx - Future Domain TMC-3260 PCI SCSI adapter
PORT xxxx - AMD Am53C974A PC-SCSI II SCSI adapter
PORT xxxx - Adaptec AHA-2920 PCI SCSI adapter
PORT xxxx -  Adaptec AIC-78xx PCI SCSI controller
PORT xxxx - AMD-645 - Power Management Registers
PORT xxxx - AMD-645 - USB
PORT xxxx - Ensoniq AudioPCI ES1370 - CONTROL REGISTERS
PORT xxxx - Ensoniq AudioPCI-97 ES1371 - CONTROL REGISTERS
PORT xxxx - Intel 82371, OPTi "Vendetta" (82C750) - Bus Master IDE Registers
PORT xxxx - Intel 82371SB - USB Host I/O Registers