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EIDE Cables
To transfer data at full speed, Ultra ATA/100 hard drives require an 80- conductor cable like that used with ATA/66 drives. The
NOTICE: Dell recommends that you use only EIDE cables purchased from Dell. Cables purchased elsewhere are not guaranteed to work with Dell computers.
SCSI Device Installation Guidelines
This section describes how to configure and install SCSI devices in your computer. To install a SCSI device, you can use one or both of the following SCSI controllers:
•The SCSI connector on the system board. To locate the SCSI system board connector, see "System Board Components" or the interior service label.
NOTE: The system board SCSI controller will support hard drives only. Do not connect CD or DVD drives, tape drives, DAT drives, and so on.
•A SCSI controller card installed in your computer.
SCSI ID Numbers
Internal SCSI devices must have a unique SCSI ID number from 0 to 15. If you are using the SCSI connector on the system board and a SCSI controller card installed in your computer, you will have two separate SCSI buses operating. Each SCSI bus will have a set of SCSI ID numbers from 0 to 15.
When SCSI devices are shipped from Dell, the default SCSI ID numbers for are assigned as follows: