Adaptec 29160LP - SCSI Card Storage Controller U160 160... Manuale utente

INSTALLATION

GUIDE

ADAPTEC SCSI CARD 29160LP

ULTRA160 SCSI CONTROLLER

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The Adaptec SCSI Card 29160LP Ultra160 SCSI controller

enables you to connect up to 15 SCSI devices—such as hard disk

drives, scanners, and CD-ROM drives—to any Intel-based

computer with 32-bit or 64-bit PCI expansion slots. You can

connect newer Ultra160 and Ultra2 SCSI devices to the two 68-

pin Low Voltage Differential/Single-Ended (LVD/SE) connectors.

This installation guide explains how to:

•Install the Adaptec SCSI Card 29160LP

•Set up SCSI devices

•Connect SCSI devices

•Install Adaptec SCSI Card driver software

INTRODUCTION

If you connect singled-ended devices along with

Ultra160 or Ultra2 SCSI devices, the data transfer speed of

the Ultra160 or Ultra2 SCSI devices drops to the slower sin-

gle-ended transfer rate. Although the Adaptec SCSI Card

29160LP is a 64-bit PCI card, it also works in a 32-bit PCI slot.

When installed in a 32-bit PCI slot, the card automatically

runs in the slower 32-bit mode.

CAUTION

68-pin Internal LVD/SE

68-pin External VHDCI LVD/SE

connector

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CHANGING THE BRACKET

The Adaptec SCSI Card 29160LP chips have a bracket designed to

fit in low-profile rack-mount server.

If you plan to use this card in a standard-height system, you will

need to change the bracket.

See the Adaptec SCSI Card 29160LP Technical Reference for more

information.

Discharge any static electricity build-up before handling the SCSI

card by touching a grounded metal object (such as the exposed

metal parts on the back of your computer).

After you turn off your computer and unplug the power cord,

remove the cover from the computer.

CHANGING THE BRACKET

INSTALLING THE ADAPTEC SCSI CARD 29160LP

STEP 1

Turn OFF power to the computer and disconnect

the power cord.

WARNING

STEP 2

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Locate an unused 64-bit PCI expansion slot and remove the

expansion slot cover. If the computer does not have a 64-bit slot,

you can install the card in a 32-bit PCI slot.

Select an expansion slot that is compliant with PCI Rev. 2.1 or

higher, and that supports Bus Mastering. Save the slot cover

screw for use in Step 4.

Computers may have vertical or horizontal expansion slots.

Refer to your computer manual to locate the PCI slots. If your

computer is a tower model, place it on its side to make it easier to

install the Adaptec SCSI Card 29160LP.

STEP 3

Be careful when inserting the Adaptec SCSI Card

29160LP into a PCI slot. Some 32-bit slots do not accommo-

date 64-bit cards, and the card or slot may break if you use

force.

64-bit PCI slot

32-bit PCI slot

Slot cover

Expansion

slot cover

screw

WARNING

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Insert the Adaptec SCSI Card 29160LP into the PCI expansion

slot. Press down firmly until the card clicks into place; then

replace the slot cover screw. When installed properly, the card

should appear level with the expansion slot, as shown below.

You may need to do several things to your SCSI devices before

you connect them to the Adaptec SCSI Card 29160LP:

•Check the SCSI IDs.

•Set the termination.

•Connect the power cables.

Since setup can vary from device to device, always refer to the

documentation supplied with the device for specific instructions.

Below are some guidelines for setting SCSI IDs and termination

on your devices. Refer to the Adaptec SCSI Card 29160LP User’s

Reference for more information on these topics.

Check the SCSI IDs

The Adaptec SCSI Card 29160LP and each device you connect to

it must have a unique SCSI ID number ranging from 0 to 15. No

two devices can have the same number.

STEP 4

SETTING UPSCSI DEVICES

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If you want to configure your computer to boot from a SCSI hard

disk, make sure the SCSI ID of that hard disk is set to 0. Most

SCSI hard disks are preset to SCSI ID 0 at the factory. The SCSI

IDs for internal devices are usually set with jumpers; SCSI IDs for

external devices are usually set with a switch on the back of the

device.

Terminate the Ends of the SCSI Bus

To ensure reliable communication on the SCSI bus, the device at

the end of the cable, or the end of the cable itself, must have

proper termination installed (or enabled). Terminators must be

removed, or termination must be disabled, on devices between

the ends of each cable.

Terminate LVD (Ultra160 and Ultra2) SCSI Devices

LVD SCSI devices are automatically unterminated. If you have

internal LVD SCSI devices, a special 68-pin internal LVD cable is

required to connect the devices. Internal LVD cables usually have

an LVD or Auto switching terminator built into the end of the

cable. With this type of cable, it is not necessary to terminate

individual internal LVD SCSI devices. If your cable does not have

a terminator built in, you must add a terminator to the end of the

cable.

Mount the Devices

If you have internal SCSI devices, mount each device in an

available drive bay inside your computer, as shown below. Refer

to your computer and device documentation for instructions on

installing devices inside your computer.

The Adaptec SCSI Card 29160LP is preset to SCSI ID 7

and should not be changed.

NOTE

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You can connect up to 15 SCSI devices to the Adaptec SCSI Card

29160LP. Before connecting devices, be sure to review Setting Up

SCSI Devices on page 4.

Connecting Internal SCSI Devices

Connect internal SCSI devices to the internal LVD/SE connector.

To do this, use a 68-pin internal LVD cable similar to the one

shown in Step 1 below. Follow these steps to connect the devices:

Locate a 68-pin internal LVD SCSI cable, which has flat,

laminated wires, as shown below.

Internal SCSI device

mounted in drive

bay

CONNECTING SCSI DEVICES

If you connect single-ended SCSI devices along with

Ultra160 or Ultra2 SCSI devices, the data transfer speed

drops to the slower single-ended rate.

NOTE

STEP 1

Nonterminated end Terminated end

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Plug the nonterminated end of the cable to the internal LVD/SE

connector.

Plug the internal devices to the other cable connectors, starting

with the connector at the terminated end of the cable.

STEP 2

STEP 3

Internal Ultra2 and Ultra160 SCSI devices come from

the factory with termination disabled and cannot be changed.

Proper SCSI bus termination is provided by the terminator at

the end of the LVD SCSI cable.

Internal SCSI devices

Built-in terminator

on cable

Plug first device

to this connector

NOTE

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Connect a power cable from your computer’s internal power

supply to each internal SCSI device.

Connecting External SCSI Devices

Connect external SCSI devices to the 68-pin external VHDCI

LVD/SE SCSI connector. Each external device requires a 68-pin

external LVD SCSI cable.

Follow these steps to connect external SCSI devices:

Connect one end of the external LVD SCSI cable to the external

LVD/SE connector on the Adaptec SCSI Card 29160LP.

STEP 4

We r ecom m en d th a t you c o n ne ct only Ultra160 and

Ultra2 SCSI devices to the external SCSI connector. If you

also attach slower Ultra SCSI devices, the data transfer speed

of the Ultra160 and Ultra2 SCSI devices drops to the speed of

the slower devices.

Power input connector

on the back of the

Power cable (from the power

supply inside the com-

NOTE

STEP 1

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Connect the other end of the external SCSI cable to a SCSI

connector on the back of an external SCSI device.

If you are installing only one external device, terminate the

device and skip to Step 4.

Connect other external devices by cabling each device to the

previous one, as shown below. Terminate only the device at the

end of the chain.

Connect power cables to all external devices and to the computer.

STEP 2

SCSI Terminator

STEP 3

Te r m i n a t e d

Not terminated

STEP 4

29160LPRevA.fm Page 9 Tuesday, May 2, 2000 4:04 PM

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