Adaptec PowerDomain 29160 Manuale utente

The Adaptec SCSI Card 29160 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. You can also

connect legacy SCSI devices to the 68-pin and 50-pin internal

Single-Ended (SE) connectors.

Although the Adaptec SCSI Card 29160 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.

This installation guide explains how to

•Install the Adaptec SCSI Card 29160

•Set up SCSI devices

•Connect SCSI devices

INTRODUCTION

The Adaptec SCSI Card 29160 is designed for computer

system original equipment manufacturers (OEMs). Use this

product with the original computer system designed by the

OEM; each OEM tailors their product specifications for their

specific design needs. Adaptec assumes no responsibility for

incompatibility or consequential damages if you use the

Adaptec SCSI Card 29160 in another computer system. All

product support and services are provided by the OEM.

68-pin Internal LVD/SE

68-pin External LVD/SE

Connector

68-pin Internal SE

Connector

50-pin Internal SE

Connector

NOTE

29160_OEM_InsGd.fm Page 1 Tuesday, October 19, 1999 7:47 AM

Bus Segments on the Adaptec SCSI Card 29160

The Adaptec SCSI Card 29160 features Adaptec SpeedFlex™

technology. SpeedFlex technology ensures that you get the best

performance from your Ultra160 and Ultra2 SCSI devices by

electronically isolating the primary LVD/SE segment from the

secondary SE segment on the SCSI bus. This allows the Adaptec

SCSI Card 29160 to support newer Ultra160 and Ultra2 SCSI

devices at speeds up to 160 MBytes/sec on the primary LVD/SE

segment while at the same time supporting Ultra (legacy) devices

at speeds up to 40 MBytes/sec. on the secondary SE segment. The

following figure shows the two SCSI segments

If you attach Wide Ultra or Ultra SCSI devices to the

LVD/SE connector(s), the data transfer rate for all attached

Ultra160 and Ultra2 SCSI devices will drop to Ultra SCSI per-

formance levels. However, if you attach only Ultra160 and

Ultra2 SCSI devices to the LVD/SE connector(s), data will be

transferred at the maximum possible rate (80 MBytes/sec for

Ultra2 devices and 160 MBytes/sec for Ultra160 devices).

AIC-3860

AIC-7892

Primary LVD/SE

segment

Secondary SE

segment

NOTE

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Discharge any static electricity build-up before handling the SCSI

card by touching a grounded metal object (like 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.

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. (The expansion slot

must be compliant with PCI Rev. 2.1 or higher and must support

Bus Mastering.) Save the slot cover screw for use in Step 4.

INSTALLING THE ADAPTEC SCSI CARD 29160

STEP 1

Turn OFF power to the computer and disconnect

the power cord.

WARNING

STEP 2

STEP 3

64-bit PCI slot

32-bit PCI slot

Slot cover

Expansion

slot cover

screw

29160_OEM_InsGd.fm Page 3 Tuesday, October 19, 1999 7:47 AM

Computers may have vertical or horizontal expansion slots. Refer

to your computer manual to locate the PCI slots. If your com-

puter is a tower model, lay it on its side to make it easier to install

the Adaptec SCSI Card 29160.

Insert the Adaptec SCSI Card 29160 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.

There are several things you may need to do to your SCSI devices

before you connect them to the Adaptec SCSI Card 29160:

•Check the SCSI IDs

•Set the termination

•Connect the power cables.

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

device’s documentation for specific instructions.

Below are some guidelines for setting SCSI IDs and termination

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

erence for more information on these topics.

Be careful when inserting the Adaptec SCSI Card

29160 in a PCI slot. Some 32-bit slots will not accommodate

it, and the card may break if you force it into the slot.

WARNING

STEP 4

SETTING UPSCSI DEVICES

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Check the SCSI IDs

The Adaptec SCSI Card 29160 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.

The Adaptec SCSI Card 29160 is preset to SCSI ID 7 and should

not be changed. If your computer will 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

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

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

terminator installed (or enabled). Terminators must be removed,

or termination must be disabled, on devices between the ends of

each cable.

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

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

SCSI Devices on page 4.

Connecting Internal Ultra160 and Ultra2 Devices

Connect internal Ultra 160 and Ultra2 SCSI devices to the inter-

nal LVD/SE connector on the Adaptec SCSI Card 29160. To do

this, use a 68-pin internal LVD cable like the one shown in Step 1

below. Follow these steps to connect the devices:

CONNECTING SCSI DEVICES

We recommend that you keep your Ultra160 and

Ultra2 SCSI devices separate from your Ultra SCSI devices.

This allows the newer Ultra160 and Ultra2 SCSI devices to

transfer data at their maximum speed. (See Bus Segments on

the Adaptec SCSI Card 29160 on page 2.)

NOTE

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Locate a 68-pin internal LVD SCSI cable, which may have either

twisted wires as shown below or flat, laminated wires.

Plug the non-terminated end of the cable to the internal LVD/SE

connector.

Plug the internal Ultra2 or Ultra160 SCSI devices to the other

cable connectors, starting with the connector at the terminated

end of the cable.

Connect a power cable from your computer’s internal power sup-

ply to each internal SCSI device.

STEP 1

Terminated end Non-terminated end

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.

Plug first device

to this connector

Ultra160 or Ultra2

SCSI devices

Built-in terminator

on cable

NOTE

STEP 4

29160_OEM_InsGd.fm Page 6 Tuesday, October 19, 1999 7:47 AM

Connecting Wide SCSI Devices

Connect internal Wide SCSI devices to the 68-pin internal SE

Wide SCSI connector. To do this, use a 68-pin Wide SCSI cable

like the one shown in Step 1 below. Follow these steps to connect

the devices:

Locate a 68-pin internal Wide SCSI cable.

Plug one end of the cable to the Wide SCSI connector on the

Adaptec SCSI Card 29160.

Plug the other end of the cable to a terminated Ultra/Fast Wide

SCSI device.

If you have other Ultra/Fast Wide SCSI devices, attach them to

the connectors between the two ends of the cable. Be sure these

other devices are un-terminated.

Connect a power cable from your computer’s internal power sup-

ply to each internal device.

STEP 1

STEP 2

STEP 3

STEP 4

STEP 5

29160_OEM_InsGd.fm Page 7 Tuesday, October 19, 1999 7:47 AM

Connecting Internal Ultra/Fast Narrow Devices

Connect internal Ultra/Fast Narrow SCSI devices that have stan-

dard 50-pin connectors to the 50-pin internal SE Narrow SCSI

connector. To do this, use a 50-pin internal Ultra Narrow SCSI

cable. Follow these steps to connect the devices:

Locate a 50-pin internal Ultra Narrow SCSI cable.

Plug one end of the cable to the 50-pin internal SE Narrow SCSI

connector on the Adaptec SCSI Card 29160.

Plug the other end of the cable to a terminated Ultra/Fast Narrow

SCSI device.

If you have other Ultra/Fast Narrow SCSI devices, attach them to

the connectors between the two ends of the cable. Be sure these

other devices are un-terminated.

Connect a power cable from your computer’s internal power sup-

ply to each internal device.

STEP 1

STEP 2

STEP 3

STEP 4

STEP 5

29160_OEM_InsGd.fm Page 8 Tuesday, October 19, 1999 7:47 AM

Connecting External SCSI Devices

Connect external Ultra2 and Ultra160 SCSI devices to the 68-pin

external LVD/SE SCSI connector. Each external device will

require a 68-pin external LVD SCSI cable.

Follow these steps to connect the external devices:

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

LVD/SE connector on the Adaptec SCSI Card 29160.

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

nector on the back of an external SCSI device.

If you are installing only one external device, terminate the device

and skip to Step 4.

We recommend that you connect only Ultra160 and

Ultra2 SCSI devices to the external SCSI connector. If you

also attach older Ultra SCSI devices, the data transfer speed of

the Ultra160 and Ultra2 SCSI devices will drop to the speed of

the older devices. (See Bus Segments on the Adaptec SCSI

Card 29160 on page 2.)

NOTE

STEP 1

STEP 2

SCSI Terminator

29160_OEM_InsGd.fm Page 9 Tuesday, October 19, 1999 7:47 AM

Connect other external devices by cabling each device to the pre-

vious 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 3

Terminated Not terminated

STEP 4

29160_OEM_InsGd.fm Page 10 Tuesday, October 19, 1999 7:47 AM

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