Adaptec AHA-1520A Przewodnik Instalacji Pobierz pdf (Strona 3)

AHA-1510A Install Guide

Part Number: 510399-00, Rev. A

Print Spec Number: 491841-00, Rev. A

Current Date: 4/7/93 ECN Date: 4/13/93

Jumper Configuration Reference

One jumper block on the host adapter is used to con-

figure user-selectable options. In the following dia-

gram, the black bar covering both pins represents

an installed jumper. In most cases, you will not

need to change these settings.

Jumper Block J9 (IRQ Channel, Port Address)

Jumper block J9 default settings:

● One, and only one, of the IRQ channel pin pairs

must be jumpered. If you change the setting

from the default of IRQ 11 (pin pair I1) you must

also change the /q option when you install

aspi2dos

(see Software Installation).

● If another Adaptec SCSI host adapter is already

installed in your computer, change the interrupt

of the AHA-1510A to something other than

IRQ11.

● If you change the default port address by install-

ing the extra jumper on pin pair AL, you must

also change the /p option when you install

aspi2dos

(see Software Installation).

Pin Pair Description

I2, I1,

I0, I9

Determines IRQ channel

IRQ 12 = jumper I2

IRQ 11✱ = jumper I1

IRQ 10 = jumper I0

IRQ 9 = jumper I9 (not recommended

with Windows 3.x)

AL Determines port address range

340h–35Eh✱ = no jumper

140h–15Eh = jumper

An extra jumper is provided in case you want

to install it on the pin pair to change the port

address.

✱ Default configuration

I2 I1 I0 I9AL

Extra

Jumper

1 2 3 4 5 6 7 8

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