B.3 io map, Io map – ADLINK NuPRO-E320 User Manual

Page 91

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System Resources

77

NuPRO-E320

B.3 IO 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 (ITE8718) 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

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