HP LH4r HP Netserver Service Handbook, Volume 1 - Low End - Page 102
SCSI Channels, SCSI Addresses
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SCSI Channels NOTE Each FCArray Controller card has 4 SCSI channels: •2 internal SCSI buses (channels 0, 1) •2 external SCSI buses (channels 2, 3) SCSI Addresses The SCSI ID assigned to a hard drive is determined by its position in the drive cage. The SAF-TE chassis management processor is assigned SCSI ID 5. The default SCSI IDs are assigned to the 8 half-height drives and 12 low-profile drives. Rear View Low-Profile Drives 0 1 2 3 8 9101112131415 Half-Height Drives 0 1 3 8 10 11 13 14 Channel 0 Channel 1 Power Supplies Power Switch NOTE PW R PW R Management Board FCArray Card 2 FCArray Card 1 To fully remove power, disconnect both AC power cords from the rear of the chassis. The HP Rack Storage/12FC has 5 VDC standby power, even when the power switch is set to OFF. 96