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I/o map – ADLINK Express-CVC User Manual

Page 34

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Page 34

Express-CVC

5.3. I/O Map

Hex Range

Device

000-01F DMA

controller

020-02D and 030-03F

Interrupt controller

02E-02F

LPC SIO configuration index/data registers

040-05F Timer

060, 062, 064, 066

Keyboard

061, 063, 065, 067

NMI control and status

070-07F

Real Time Clock Controller( bit 7 -NMI mask)

080-091 DMA

controller

092

Reset (Bit 0)/ Fast Gate A20 (Bit 1)

93-9F DMA

controller

0A0-0B1 and 0B4-0BF

Interrupt controller

0B2h

APM Control I/O Address

0B3h

APM Status I/O Address

0C0-0DF DMA

controller

0F0

Co-processor error register

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

Reserved for parallel port

280-2F7 Available

2F8-2FF

Serial Port 2

300-36F Available

370-377

Alt. Floppy Disk Controller

378-37F

Reserved for parallel port

380-3AF Available

3B0-3BB and 3BF

Mono/VGA mode video

3BC-3BE

Reserved for parallel port

3C0-3DF VGA

registers

3E0-3EF Available

3F0-3F7

Primary Floppy disk controller

3F8-3FF

Serial port 1

4D0

Master PIC Edge/Level Trigger register

4D1

Slave PIC Edge/Level Trigger register

CF8-CFB

PCI configuration address register (32 bit I/O only)

CF9

Reset Control register (8 bit I/O)