NEC Express5800 User Manual page 252

C-2 IRQ and I/O Port Address
I/O Port Address
The factory-set I/O port addresses for the server are assigned as follows:
Address*
00 – CF7
20 – 21
40 – 43, 50 – 53
60
61
64
70 – 71
81 – 8F, C0 – DF
A0 – A1
F0 – FE
170 – 177
1F0 – 1F7
3B0 – 3BB, 3C0 – 3DF
3F0 – 3F7
3F8 – 3FF
378 – 37F
4000 – 4FFF
E000 – EFFF
* Hexadecimal notation
Chip in Use
DMA1 controller
Interrupt controller 1
Timer 1
Keyboard/mouse
System speaker
Keyboard/mouse
Real time clock
DMA1, DMA2
Interrupt controller 2
Coprocessor
(IDE secondary bus)
(IDE primary bus)
VGA
Floppy disk controller1, IDE controller 1
Serial port 1
Printer port
Network port, PCIe root port
PCIe root port