Adaptec 39320D Installationsanleitung PDF herunterladen (Seite 3)

Support for Older SCSI Devices

If you have single-ended Ultra SCSI and earlier SCSI devices,

Adaptec recommends that you connect them together on one

channel of the Adaptec SCSI Card 39320D and that you connect

newer Ultra320/160 SCSI and Ultra2 devices to the other

channel. This allows the Adaptec SCSI Card 39320D to dedicate

one SCSI channel to support a slower transfer rate for the Ultra

(legacy) devices, while the second SCSI channel can support LVD

devices in Ultra320, Ultra 160, or Ultra2 speeds. It also allows you

to use longer cable lengths for the newer SCSI devices.

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).

If you connect Wide Ultra/Ultra SCSI devices to the

same SCSI channel 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. To achieve

maximum data transfer rates for the newer SCSI devices, be

sure to connect them on their own SCSI channel.

NOTE

INSTALLING THE ADAPTEC SCSI CARD 39320D

STEP 1

Turn OFF power to the computer and disconnect the

power cord.

WARNING

ASC-39320D IG.fm Page 2 Thursday, June 13, 2002 10:53 AM

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Adaptec 39320D Installationsanleitung Seite 3