Adaptec 29320-R - SCSI Card RAID Controller Manuale utente

INSTALLATION GUIDE

ADAPTEC SCSI CARD 29320

ASC-29320 IG.fm Page 14 Wednesday, August 14, 2002 2:00 PM

The Adaptec SCSI Card 29320 enables you to connect up to 15

Low Voltage Differential (LVD) and/or 15 Single-Ended (SE)

SCSI devices—such as very large arrays of high-performance

hard disk drives, external storage subsystems, Ultra320/160 hard

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

computer with 64- or 32-bit PCI/PCI-X expansion slots.

The Adaptec SCSI Card 29320 has one internal and one external

68-pin LVD/SE connector and two internal SE SCSI connectors

(one 68-pin and one 50-pin).

Although the Adaptec SCSI Card 29320 is a 64-bit PCI/PCI-X

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 29320

•Set up SCSI devices

•Connect SCSI devices

INTRODUCTION

If you connect Wide Ultra/Ultra SCSI devices to the

same SCSI connectors as Ultra320/160 and Ultra2 SCSI

devices, the data transfer rate for the Ultra320/160 and Ultra2

SCSI devices will drop to Ultra SCSI performance levels.

Attach only Ultra320/160 and Ultra2 SCSI devices to the

LVD/SE connectors to achieve maximum data transfer rates.

68-pin external

LVD/SE connector

68-pin internal LVD/SE

connector 68-pin internal SE

connector

50-pin SE

connector

NOTE

ASC-29320 IG.fm Page 1 Wednesday, August 14, 2002 2:00 PM

Discharge any static electricity build-up before handling your

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/PCI-X 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 Adaptec

SCSI Card 29320 supports both 5V and 3.3V 64-bit slots. (The

expansion slot must be compliant with PCI Rev. 2.1 or PCI-X

Rev. 1.0 and must support Bus Mastering.) Save the slot cover

screw for use in Step 4.

INSTALLING THE ADAPTEC SCSI CARD 29320

STEP 1

Turn OFF power to the computer and disconnect the

power cord.

WARNING

STEP 2

STEP 3

Slot cover

screw

Expansion

slot cover 64-bit PCI slot

32-bit PCI slot

ASC-29320 IG.fm Page 2 Wednesday, August 14, 2002 2:00 PM

Computers may have vertical or horizontal expansion slots. Refer

to your computer manual to locate the PCI/PCI-X slots. If your

computer is a tower model, lay it on its side to allow for easier

installation of the Adaptec SCSI Card 29320.

Insert the Adaptec SCSI Card 29320 in the 64-bit (or 32-bit) PCI or

PCI-X 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 29320:

•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.

Be careful when inserting the Adaptec SCSI Card

29320 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

ASC-29320 IG.fm Page 3 Wednesday, August 14, 2002 2:00 PM

Check the SCSI IDs

The Adaptec SCSI Card 29320 and each device you connect to it

must have a unique SCSI ID number ranging from 0 to 15 on each

channel. No two devices on the same SCSI channel can have the

same SCSI ID.

The Adaptec SCSI Card 29320 is preset to ID 7 for each channel

and should not be changed. If you boot from a SCSI hard disk,

make sure the hard disk SCSI ID 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 a total of up to 15 LVD and/or 15 SE SCSI

devices to the Adaptec SCSI Card 29320. Before connecting

devices, be sure to review Setting Up SCSI Devices on page 3.

Connecting Internal Ultra320/160 and Ultra2 Devices

A special 68-pin internal LVD cable is needed to connect internal

Ultra320/160 or Ultra2 SCSI devices. If your cables are not

marked, you can identify most LVD cables as having twisted

pairs ofthe flat ribbon cable between the device connectors. Some

When connecting Ultra320/160 or Ultra2 SCSI devices,

the SCSI bus must be terminated either on the end of the cable

(with a permanent terminator) or with a separate terminating

connector. Ultra SCSI and earlier single-ended devices can

terminate the bus directly from the device. If you use an Ultra

SCSI terminator on an LVD Ultra320/160 and Ultra2 SCSI bus,

the SCSI devices will not operate properly. For this reason be

sure that you have the necessary Ultra320/160 or Ultra2 cable

and terminator before installing the Ultra320/160 SCSI

devices.

NOTE

CONNECTING SCSI DEVICES

ASC-29320 IG.fm Page 4 Wednesday, August 14, 2002 2:00 PM

cables are laminated so that they lay flat. Internal LVD cables

usually have a terminator built into the end of the cable.

The Adaptec SCSI Card 29320 has one internal 68-pin LVD/SE

connector and two internal SE connectors to which you can

connect internal SCSI devices, as shown in the figure on page 1.

Follow these steps to connect your internal Ultra320/160 and

Ultra2 devices:

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

twisted wires or flat wires, shown as follows.

Plug the nonterminated end of the cable(s) to one of the internal

LVD/SE connectors.

Adaptec recommends that you keep your Ultra320/160

and Ultra2 SCSI devices separate from your Ultra SCSI

devices. This allows the Ultra320/160 and Ultra2 SCSI devices

to transfer data at their maximum speed.

NOTE

STEP 1

Terminated end Nonterminated end

STEP 2

ASC-29320 IG.fm Page 5 Wednesday, August 14, 2002 2:00 PM

Plug the internal Ultra320/160 and Ultra2 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

supply to each internal SCSI device.

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.

STEP 3

Internal Ultra320/160 and Ultra2 SCSI devices come

from the factory with termination disabled and cannot be

changed. Proper termination is provided by the terminator at

the end of the LVD SCSI cable.

Ultra320/160 or Ultra2

SCSI devices

Plug first device

to this connector Built-in terminator

on cable

NOTE

STEP 4

STEP 1

ASC-29320 IG.fm Page 6 Wednesday, August 14, 2002 2:00 PM

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

Adaptec SCSI Card 29320.

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

supply to each internal device.

Connecting Internal Ultra/Fast Narrow Devices

Connect internal Ultra/Fast Narrow SCSI devicesthat have

standard 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 29320.

STEP 2

STEP 3

STEP 4

STEP 5

STEP 1

STEP 2

ASC-29320 IG.fm Page 7 Wednesday, August 14, 2002 2:00 PM

Plugthe otherendof thecableto aterminatedUltra/FastNarrow

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 fromyour computer’s internal power

supply to each internal device.

Connecting External SCSI Devices

You can connect external Ultra320/160 and Ultra2 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 your external SCSI devices:

Connect one end of an external SCSI cable to the external

Ultra320/160 connector on the Adaptec SCSI Card 29320.

STEP 3

STEP 4

STEP 5

We recommend that you do not combine legacy SCSI

devices with the Ultra320/160 and Ultra2 SCSI devices on the

same SCSI channel of the Adaptec SCSI Card 29320.

NOTE

STEP 1

68-pin external

LVD/SE SCSI

connector (Ch B)

External LVD SCSI

cable

ASC-29320 IG.fm Page 8 Wednesday, August 14, 2002 2:00 PM

Connect the other end of the cable to a SCSI connector on the

back of an external device. If you are installing only one external

device, terminate the device and skip to Step 4.

Connect the other external SCSI devices by linking 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 device(s) and to the

computer.

STEP 2

SCSI terminator

STEP 3

Terminated SCSI device

STEP 4

ASC-29320 IG.fm Page 9 Wednesday, August 14, 2002 2:00 PM

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