Dell OptiPlex GXi Reference and Installation Guide ( - Page 90
General Procedure for Installing SCSI Devices, Table 7-1., SCSI Termination Guidelines
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Table 7-1. SCSI Termination Guidelines Configuration SCSI Host Adapter Card Internal Narrow SCSI Device(s) Internal Wide SCSI Device(s) External Narrow SCSI Device(s) Internal narrow and wide SCSI devices Termination enabled for upper 8 bits Termination enabled for lower 8 bits on last device Termination enabled for all 16 bits on last device Not applicable Internal wide SCSI and external narrow SCSI devices Termination enabled for upper 8 bits Not applicable Termination enabled for all 16 bits on last device Termination enabled for lower 8 bits Internal wide SCSI and external wide SCSI devices Termination disabled Not applicable Termination enabled for all 16 bits on last device Termination enabled for all 16 bits Internal narrow SCSI and external narrow SCSI devices Termination disabled Termination enabled for lower 8 bits on last device Not applicable Termination enabled for lower 8 bits Internal narrow SCSI devices only Termination enabled for lower 8 bits Termination enabled for lower 8 bits on last device Not applicable Not applicable Internal wide SCSI devices only Termination enabled for lower 8 bits Not applicable Termination enabled for all 16 bits on last device Not applicable NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in your online System User's Guide. General Procedure for Installing SCSI Devices Configure and install one or more SCSI devices in your computer as follows: 1. Determine which connector on the internal SCSI cable you will attach to each SCSI device. See "SCSI Configuration Guidelines" found earlier in this section. 2. Unpack each SCSI device and prepare it for installation. Ground yourself by touching an unpainted metal surface on the back of the computer. Configure the device for a SCSI ID number and termination, if necessary. For instructions, see the documentation that came with the SCSI device as well as "SCSI Configuration Guidelines" found earlier in this section. 3. If you are installing a SCSI host adapter card, configure the adapter card. For instructions on configuring the card, see the documentation that came with the adapter card as well as "SCSI Configuration Guidelines" found earlier in this section. 4. Install the SCSI devices as appropriate. • To install a SCSI hard-disk drive, complete steps 3 through 7 of "Installing an EIDE HardDisk Drive in the Hard-Disk Drive Bracket" found earlier in this chapter. Then continue with step 5 of this procedure. • To install a SCSI tape drive, CD-ROM drive, or DAT drive, complete steps 2 through 6 of "Installing a Drive in a 5.25-Inch Drive Bay" found earlier in this chapter. Then continue with step 5 of this procedure. 7-12 Dell OptiPlex GXi Mini Tower Systems Reference and Installation Guide