ADLINK Express-BE - Manual (Page 43)

Express-BE Page 43
6.3. I/O Map
Hex Range Device
000-01F DMA controller 1, 8237A-5 equivalent
020-02D and 030-03F Interrupt controller 1, 8259 equivalent
02E-02F
04E-04F LPC SIO (W83627DHG) configuration index/data registers
040-042
050-052
Timer, 8254-2 equivalent
060, 062, 064, 066 8742 equivalent (keyboard)
061 NMI control and status
070-077 Real Time Clock Controller( bit 7 -NMI mask)
080-091 DMA page register
092 Reset (Bit 0)/ Fast Gate A20 (Bit 1)
093-09F DMA page registers continued
0A0-0B1 and 0B4-0BD Interrupt controller 2, 8259 equivalent
0B2 and 0B3 APM control
0C0-0DF DMA controller 2, 8237A-5 equivalent
0F0
Read: PCI and Master abort. (Note 1)
Write: FERR#/ IGNNE# /Interrupt controller
240-247 Serial port 1
248-24F Serial port 2
2F8-2FF Serial port 4
3F8-3FF Serial port 3
B00 SMBUS IO base
E00 SB_SIO_PME_BASE_ADDRESS
CF9 Reset Control register (8 bit I/O)
Note (1): A read to this address will subtractively go to PCI, where it will master abort.