HP LH4r HP Netserver LP 2000r (1.13, 1.26 & 1.40 GHz) User Guide - Page 34
Duplexing with a SCSI Host Bus Adapter Card, BACKPLANE A, SCSI Channel A, External, SCSI 3, Front
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Chapter 3 Rear SCSI Channel A Cable B External SCSI Cable C Installing Mass Storage Devices Top Connector BACKPLANE B Bottom Connector Front SCSI 3 SCSI 4 SCSI 5 SCSI Terminator Top Connector BACKPLANE A Bottom Connector SCSI 0 SCSI 1 SCSI 2 SCSI Channel B (Cable A Removed) Cable A = External SCSI Cable Cable B = Short Internal SCSI Cable Cable C = Long Internal SCSI Cable Figure 3-8. Duplexing Using Internal SCSI Cables Duplexing with a SCSI Host Bus Adapter Card Follow these steps to duplex the SCSI hard drives using a SCSI Host Bus Adapter card (see Figure 3-9). 1. Disconnect Cable B from SCSI Channel A (on the system board), and connect it to Channel 0 on the SCSI host bus adapter card. Ensure the cable is not looped at the Channel 0 connection. The cable should appear as shown in Figure 3-10. 2. Disconnect Cable C from the bottom connector of Backplane A and connect it to Channel 1 on the SCSI Host Bus Adapter card. Ensure the cable is not looped at the Channel 1 connection. The cable should appear as shown in Figure 3-10. 3. Plug a SCSI terminator into the bottom connector on Backplane A and Backplane B. 28