ADLINK Express-IB - Manual (Page 36)

Page 36 Express-IB
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 LPC SIO configuration index/data registers
040-05F Timer, 8254-2 equivalent
060, 062, 064, 066, 068-06F 8742 equivalent (keyboard)
061, 063, 065, 067 NMI control and status
070-07F Real Time Clock Controller( bit 7 -NMI mask)
080-091 DMA page register
092 Reset (Bit 0)/ Fast Gate A20 (Bit 1)
93-9F DMA page registers continued
0A0-0B1 and 0B4-0BF Interrupt controller 2, 8259 equivalent
0B2 and 0B3 APM control and status port respectively
0C0-0DF DMA controller 2, 8237A-5 equivalent
0E0-0EF Available
0F0 Co-processor error register
0F1 N/A
0F2-0F3 N/A
0F4 IDE ID port
0F5-0F7 N/A
0F8 IDE Index port
0F9-0FB N/A
0FC IDE Data port
0FD-0FF N/A
100-179 Available
180-181 Default AIM4 SRAM control register (May be remapped)
182-1EF Available
1F0-1F7 Primary IDE Controller (AT Drive)
1FB-22F Available
230 -277 Available
278-27F Parallel Port 2
280-2F7 Available