It8888 isa decode io – Avalue ECM-LX800W User Manual

Page 57

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User

’s Manual

ECM-LX800W Series User

‘s Manual 57

3.5.5

IT8888 ISA Decode IO

The decode I/O spaces can be programmed to claim PCI I/O cycle with

Fast/Medium/Slow/Subtractive DEVSEL# (Device Select) timing speed.

Item

Options

Description

I/O Space 0
I/O Space 1
I/O Space 2
I/O Space 3
I/O Space 4

Enabled

Disabled

It allows you to allocate system resources to the ISA
bridge and to enable

I/O Speed 0

I/O Speed1
I/O Speed2
I/O Speed3
I/O Speed4

Subtractive Speed

Slow Speed

Medium Speed

Fast Speed

It allows you to specify the speed of the ISA bus.

I/O Addr. 0
I/O Addr. 1

I/O Addr. 2

I/O Addr. 3
I/O Addr. 4

1~4095

It allows you to allocate an address to the ISA bus.

I/O Size0
I/O Size1
I/O Size2
I/O Size3
I/O Size4

1,2,4,8,16,32,64,128 bytes

It allows you to specify the size of the ISA bus.

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