HP A7143A RAID160 SA Controller Support Guide, February 2007

RAID160 SA Controller Overview
Board Components and Features
Chapter 2
24
Board Components and Features
The RAID160 SA controller has four Wide Ultra160 SCSI channels and 256 MB of cache.
Figure 2-1 HP A7143A RAID160 SA controller
NOTE Ports 1 and 2 each have two connectors (one internal and one external). However, only one
connector can be used per channel at any given time. Ports 3 and 4 can be used only for
external disk drives. The internal connectors are not supported on the HP A7143A RAID160 SA
controller.
Table 2-1 Hardware Overview
Item Description
1 Two internal 68-pin Wide SCSI connectors
(channel 1 nearer the bracket, channel 2
nearer the board center). These internal
connectors are not supported on the HP
A7143A RAID160 SA controller.
2 Four external (VHDCI) connectors (channels 1
and 3 nearer the main board)
3 Array accelerator cache
1
2
3