HP Vectra XA 5/xxx HP Vectra xA 5/XXX Series 5 /vl 5/xxx series 5 pc Technical - Page 81

Summary of the HP/Phoenix BIOS, I/O Address Ports, Function

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4 Summary of the HP/Phoenix BIOS BIOS Addresses I/O Address Ports 0220h - 022Fh 0240h - 024Fh 0260h - 026Fh 0278h - 027Fh 0279h 0280h - 028Fh 02E8h - 02EFh 02F8h - 02FFh 0300h - 0301h 0330h - 0331h 0370h - 0371h 0372h - 0375h 0376h 0377h 0378h - 037Ah 0388h - 038Bh 03B0h - 03DFh 03E8h - 03EFh 03F0h - 03F5h 03F6h 03F7h 03F8h - 03FFh 0496h - 049Fh 0678h - 067Bh 0778h - 077Bh 0CF8h - 0CFFh Function Audio interface 1 (Soundblaster) Audio interface 2 (Soundblaster) Audio interface 3 (Soundblaster) Parallel port 2 IO read data port for ISA Plug and Play enumerator Audio interface 4 (Soundblaster) Serial port 4 Serial port 2 MPU-401 MIDI interface 2 (Soundblaster) MPU-401 MIDI interface 1 (Soundblaster) Ultra I/O controller Secondary flexible disk drive controller IDE hard disk drive controller secondary channel Secondary flexible disk drive controller Parallel port 1 Ad-lib / FM synthesized music (Soundblaster) Graphics controller (Matrox MGA) Serial port 3 Primary flexible disk drive controller IDE hard disk drive controller primary channel Primary flexible disk drive controller Serial port 1 Internal ports (Little Ben) Parallel port 2 if ECP mode is selected Parallel port 1 if ECP mode is selected Configuration registers for PCI devices 81

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4
Summary of the HP/Phoenix BIOS
BIOS Addresses
0220h - 022Fh
Audio interface 1 (Soundblaster)
0240h - 024Fh
Audio interface 2 (Soundblaster)
0260h - 026Fh
Audio interface 3 (Soundblaster)
0278h - 027Fh
Parallel port 2
0279h
IO read data port for ISA Plug and Play enumerator
0280h - 028Fh
Audio interface 4 (Soundblaster)
02E8h - 02EFh
Serial port 4
02F8h - 02FFh
Serial port 2
0300h - 0301h
MPU-401 MIDI interface 2 (Soundblaster)
0330h - 0331h
MPU-401 MIDI interface 1 (Soundblaster)
0370h - 0371h
Ultra I/O controller
0372h - 0375h
Secondary flexible disk drive controller
0376h
IDE hard disk drive controller secondary channel
0377h
Secondary flexible disk drive controller
0378h - 037Ah
Parallel port 1
0388h - 038Bh
Ad-lib / FM synthesized music (Soundblaster)
03B0h - 03DFh
Graphics controller (Matrox MGA)
03E8h - 03EFh
Serial port 3
03F0h - 03F5h
Primary flexible disk drive controller
03F6h
IDE hard disk drive controller primary channel
03F7h
Primary flexible disk drive controller
03F8h - 03FFh
Serial port 1
0496h - 049Fh
Internal ports (Little Ben)
0678h - 067Bh
Parallel port 2 if ECP mode is selected
0778h - 077Bh
Parallel port 1 if ECP mode is selected
0CF8h - 0CFFh
Configuration registers for PCI devices
I/O Address Ports
Function