NEC POWERMATE PRO2180 - SERVICE MANUAL 1996 Service Manual page 23

1-8 Technical Information
Address (Hex)
0064
0070, bit 7
0070, bits 6 through 0 PIIX3 - Real time clock, address
0071
0078-0079
0080-008F
00A0-00A1
00C0-00DE
00F0
0170-0177
01F0-01F7
0200-0207
0220-022F
0278-027F
02F8-02FF
0330-0331
0376
0377
0378-037F
0388-038B
03BC-03BF
03E8-03EF
03F0-03F5
03F6
03F7 (write)
03F7, bit 7
03F7, bit 6 through 0
03F8-03FF
04D0-04D1
LPT + 400h
0608-060B
0CF8*
Table Section 1-3 I/O Address Map
I/O Device Name
Keyboard controller, command/status byte
PIIX3 - Enable NMI
PIIX3 - Real time clock, data
Reserved - board configuration
PIIX3 - DMA page registers
PIIX3 - Interrupt controller 2
PIIX3 - DMA controller 2
Reset numeric error (numeric data processor)
Secondary IDE channel
Primary IDE channel
Game port
CS4236 audio
Parallel port 2
On-board serial port 2
MPU-401 (MIDI)
Secondary IDE channel command port
Secondary IDE channel status port
Parallel port 1
CS4236 audio
Parallel port 3
Serial port 3
Floppy channel 1
Primary IDE channel command port
Floppy channel 1 command
Floppy disk change channel 1
Primary IDE channel status port
On-board serial port 1
Edge/level triggered
ECP port, LPT + 400h
CS4236 audio
PCI configuration address register