Dell PowerEdge 4300 Dell PowerEdge 4300 Systems Installation and Troubleshooti - Page 147
NOTE: There is
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NOTE: Unused power cables may be held in a retention clip just underneath the computer's top cover. The power cable connectors may be covered with protective plastic caps. SCSI devices in the external drive bays are controlled by the Ultra/Narrow SCSI controller on the system board. Although SCSI devices are installed essentially the same way as other devices, their configuration requirements are different. To configure SCSI devices installed in the external bays, follow the guidelines in the following subsections. Each device attached to the Ultra/Narrow SCSI host adapter must have a unique SCSI ID number from 0 to 7. When SCSI devices are shipped from Dell, the default SCSI ID numbers are assigned as follows: The onboard Ultra/Narrow SCSI host adapter is configured through the basic input/output system (BIOS) as SCSI ID 7. A SCSI tape drive is configured as SCSI ID 6 (the default ID number for a tape drive). A SCSI CD-ROM drive is usually configured as SCSI ID 5. NOTE: There is no requirement that SCSI ID numbers be assigned sequentially or that devices be attached to the cable in order by ID number. Dell provides a SCSI cable with an active terminator on the end of the cable. All SCSI devices attached to the cable must have termination disabled. The 50-pin Ultra/Narrow SCSI cable has four connectors: The connector at the end of the cable farthest away from the other three connectors attaches to the Ultra/Narrow SCSI host adapter connector labeled "SCSI2" on the system board. The other connectors on the cable attach to SCSI devices in the three external drive bays. Installing Drives in the External Bays 9-5