Adaptec AVA-2825 Installationsanleitung PDF herunterladen (Seite 5)

AVA-2825 Installation Guide

Part Number: 510612-00, Rev A

Print Spec Number: 492733-00

Current Date: 6/8/94 ECN Date: 6/14/94

Changing the SCSI I/O Port Address

The AVA-2825 SCSI I/O port address is set by jumper

block J7. The default port address is 340h-35Fh. You

can change the SCSI I/O port address to its alternate

setting of 140h-15Fh if it conflicts with another

option board in your PC. For example, if you install

two AVA-2825 host adapters in your PC, you must

change one host adapter’s SCSI I/O port to the alter-

nate address.

To change the SCSI I/O port address, locate jumper

block J7 and remove the jumper shunt from pins 1

and 2 (the default setting). Then place the jumper

shunt on pins 2 and 3, as shown in this diagram:

Inserting the Host Adapter in a Slot

WARNING: Turn OFF and disconnect the

power to your PC and attached devices

before you remove the chassis cover. See the

PC documentation for instructions.

1 Remove the PC’s chassis cover to expose the

expansion slots and expansion slot covers.

2 Locate an unused VESA

local bus (VL-Bus)

expansion slot. VL-Bus slots are longer than ISA

slots, as shown in the diagram below:

123 123

Default I/O Port Address Alternate I/O Port Address

VL-Bus slots

Expansion

slot covers

1 2 3 4 5 6 7 8 9 10 11 12

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Adaptec AVA-2825 Installationsanleitung Seite 5