HP LH4r HP Netserver LP 2000r User Guide - Page 31
Duplexing with a SCSI Host Bus Adapter Card
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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 and C = Short 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. Remove Cable C connecting Backplanes A and B. Store the cable for future use. 2. 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. 3. Connect Cable D (the optional SCSI accessory cable) to the top connector on Backplane B, and 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. 25