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4-20 System Board
I/O Address Map
Address (Hex)
I/O Device Name
03CE-03CF
Video (VGA)
03D4-03D5
Video (VGA)
03DA
Video (VGA)
03E8-03EF
COM3
03F0-03F5
Floppy channel 1
03F6
Primary IDE channel command port
03F7 (write)
Floppy channel 1 command
03F7, bit 7
Floppy disk change channel 1
03F7, bit 6 through 0
Primary IDE channel status port
03F8-03FF
COM1
04D0-04D1
Edge/level triggered PIC
0530-0537
Windows Sound System
0604-060B
Windows Sound System
LPTn + 400h
ECP port, LPT n base a 400h
0CF8-0CFB*
PCI configuration address register
0CF9**
Turbo and reset control register
0CFC-0CFF
PCI configuration data register
0E80-0E87
Windows sound system
0F40-0F47
Windows sound system
0F86-0F87
Creative Audio configuration
FF00-FF07
IDE bus master register
FFA0-FFA7
Primary bus master registers
FFA8-FFAF
Secondary bus master registers
* Only accessible by DWORD accesses.
** Byte access only.
Summary of Contents for PowerMate VT 300i Series
Page 14: ...1 System Overview Configurations Features Components ...
Page 27: ...2 System Configuration Interrupt Requests Jumper Settings BIOS Setup Video Modes Utilities ...
Page 82: ...4 System Board Connectors Jumpers and Sockets Components Resources ...
Page 108: ...6 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Page 111: ...7 Troubleshooting Checklist Diagnostics ...
Page 155: ...NEC PowerMate VT 300i Series Release Notes A 11 ...
Page 184: ...Regulatory Statements FCC Statement Note for Canada Battery Replacement Battery Disposal ...