Adaptec AVA-2906 Installation Guide download pdf (Page 10)

SCSI Card 2906

Preparing the SCSI Devices

Setting up SCSI devices before attaching them to the SCSI card typi-

cally involves setting SCSI IDs and termination, mounting internal

SCSI devices inside your computer, and connecting power cables to

each SCSI device.

Setup varies for different kinds of SCSI devices. Always refer to the

SCSI device’s documentation for specific instructions. Below are

some guidelines for setting SCSI IDs and termination on your SCSI

devices.

Note:

If you refer to the SCSI device’s documentation for

installation instructions, be sure to return to this document

and continue with Installing the SCSI Card 2906 Software on

page 14.

Check the SCSI IDs

The SCSI Card 2906 and each SCSI device you connect to it requires

a unique SCSI ID number ranging from 0 to 7. The SCSI Card 2906

and each SCSI device must have a different ID number. The SCSI

Card 2906 is preset to ID 7 and should not be changed. The IDs for

internal SCSI devices are usually set with jumpers; external SCSI

devices are usually set with a switch on the back of the SCSI device.

Terminate the Ends of the SCSI Bus

To ensure reliable communication on the SCSI bus, the SCSI 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

disabled on SCSI devices that are connected between the ends of

each cable. See the section titled Terminating the SCSI Bus in the SCSI

Card 2906 User’s Reference.

■

To install internal SCSI devices, see Connecting Internal SCSI

Devices on page 7.

■

To install external SCSI devices only, replace your computer

cover and skip to Connecting External SCSI Devices on page 11.

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Adaptec AVA-2906 Installation Guide Page 10