NEC Express 5800 120Eg, Руководство пользователя

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120Eg User Guide - Appendix B
B - 1
Appendix B
The factory-set interrupt requests and I/O port addresses are listed below. Find an
appropriate one to install an optional device.
Interrupt Requests
The factory-set IRQs are assigned as follows:
I/O Port Address
The factory-set I/O port addresses for the server are assigned as follows:
Table B - 1: Interrupt Requests
IRQ Peripheral Device
(Controller) IRQ Peripheral Device
(Controller)
0 System timer 8 Real-time clock
1 Keyboard 9 PCI/SCI
2 Cascaded connection 10 PCI
3 COM B 11 Third IDE
4 COM A 12 Mouse
5 PCI 13 Numeric processor
6 Floppy disk 14 Primary IDE
7 LPT1 parallel port 15 Secondary IDE
Table B - 2: I/O Port Address
Address* Chip in Use
00 - 1F 8-bit DMA control register
20 - 21 Master 8259 programming interface
2E - 2F Configuration
40 - 43 8254 programming interface
60 Keyboard & mouse
61 NMI status register
64 Keyboard & mouse
70 - 71
NMI enable register/real-time clock
80 - 8F
16-bit DMA control register
A0 - A1
Slave 8259 programming interface
C0 - DF
DMA controller page register
E0 - E9
Base address register
F0
Register IRQ13
F1 - FF
Logical device configuration
170 - 177 or BAR2
EDMA2-compatible mode primary command block register
1E8 - 1EF
EDMA2-compatible mode tertiary command block register
1F0 - 1F7 or BAR0
EDMA2-compatible mode secondary command block register