Adaptec AHA-1520A Przewodnik Instalacji Pobierz pdf (Strona 2)

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

Hardware Installation

Adaptec AHA

™

-1510A AT

-to-SCSI host adapters

are designed to operate as shipped in most AT-

class computers. The default settings are:

SCSI Disconnection✱ Enabled

SCSI Address✱ 7

SCSI Parity✱ Enabled

Terminators Installed

Terminator Power Supplied by host adapter

Synchronous Negotiation✱ Disabled

Interrupt Channel 11

AT Port Address✱ 340h

Data Transfer Mode✱ Programmed I/O

✱

These values are set by the

aspi2dos

software

driver, provided with Adaptec EZ-SCSI or the

ASW-1210, and by command line options in the

config.sys

file (see Software Installation).

Installing the Host Adapter

1 Remove the cover of your computer to expose

the AT expansion slots.

2 Locate an unused AT expansion slot. AT-type

slots have two edge connectors (one 62-pin and

the other 34-pin) in line with each other.

3 Remove the expansion slot cover for this slot.

4 Align and insert the host adapter into the AT

slot. Use the expansion slot cover screw to

secure the host adapter to the frame.

5 Attach the SCSI cable(s) to the host adapter

and the peripherals, using the internal and/or

external connector(s). Be sure to maintain pin-1

orientation throughout the SCSI bus.

6 If the host adapter is not the first or the last

device attached to the cable (i.e., if both inter-

nal and external connectors are used), remove

the SCSI terminators from the host adapter.

7 Replace the cover and connect the power.

Caution

Turn OFF and disconnect power to the system and ex-

ternal equipment. Always refer to your system’s

documentation for instructions on removing the sys-

tem cover and adding option boards.

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