HP LH4r HP Netserver LH 3000 Installation Guide - Page 51
so that both the top and bottom halves run at the same speed.
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Chapter 4 Installing Mass Storage Devices Primary Cage Dual Bus - SCSI A and B This is a block diagram of the LH 3000r cage duplexed. I/O Board PCI Slots Channel A: Used for Top Half SCSI A of Cage Channel B: SCSI B Used for Bottom Half Dupl ex Boa rd of Cage Backplane of Primary Hot-Swap Mass Storage Cage Center Line Figure 4-6. Primary Cage Duplexed These are the drive configurations and SCSI IDs for the primary cage duplexed. Slot Number Disk Drive SCSI Device ID SCSI Bus ID 1 234 56 123456 012 012 BBB A AA Bus B Bus A Center Line 1 2 3 4 56 1 23 4 0 20 2 B BA A Bus B Bus A Center Line 1 234 56 1 2 34 5 0 2012 B BAAA Bus B Bus A Center Line Figure 4-7. Rack-mount Duplex Mass Storage Configurations NOTE HP recommends the duplexed cage run off SCSI A and SCSI B so that both the top and bottom halves run at the same speed. 43