4-26 System Board
I/O Address Map
Address (Hex)
I/O Device Name
0000-000F
PIIX4 - DMA controller 1 (channel 0-3)
0020-0021
PIIX4 - interrupt controller 1
002E-002F
Super I/O controller configuration registers
0040-0043
PIIX4 - counter/timer 1
0048-004B
PIIX4 - counter/timer 2
0060
Keyboard controller byte - reset IRQ
0061
PIIX4 - NMI, speaker control
0064
Keyboard controller, command/status byte
0070, bit 7
PIIX4 - enable NMI
0070, bits 6 through 0
PIIX4 - real time clock, address
0071
PIIX4 - real time clock, data
0078-0079
Reserved - board configuration
0080-008F
PIIX4 - DMA page registers
00A0-00A1
PIIX4 - interrupt controller 2
00B2-00B3
APM control
00C0-00DE
PIIX4 - DMA controller 2
00F0
Reset numeric error (numeric data processor)
0170-0177
Secondary IDE channel
01F0-01F7
Primary IDE channel
0200-0207
Audio/game port
0220-022F
Audio (Sound Blaster compatible)
0240-024F
Audio (Sound Blaster compatible)/alternate
0278-027F
Parallel port 2
0290-0297
Hardware monitor
02E8-02EF
COM4/video (8514A)
02F8-02FF
COM2
0300-0301
MPU-401 (MIDI)/alternate
0330-0331
MPU-401 (MIDI)/alternate
0332-0333
MPU-401 (MIDI)/alternate
0334-0335
MPU-401 (MIDI)/alternate
0376
Secondary IDE channel command port
0377
Floppy channel 2 command
0377, bit 7
Floppy disk change, channel 2
0377, bits 6 through 0
Secondary IDE channel status port
Summary of Contents for POWERMATE 5100 - SERVICE
Page 15: ...1 System Overview Configurations Features Components ...
Page 28: ...2 System Configuration Interrupt Requests Jumper Settings BIOS Setup Video Modes Utilities ...
Page 108: ...4 System Board Connectors Jumpers and Sockets Components Pin Assignments Resources ...
Page 167: ...7 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Page 171: ...8 Troubleshooting Checklist Diagnostics ...
Page 205: ...A Release Notes General Notes Windows 95 Issues Windows NT Issues ...