HP A7143A RAID160 SA Controller Support Guide

RAID160 SA Controller Overview
Board Components and Features
Chapter 2 29
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.
Figure 2-2 Array Accelerator Cache with Batteries
For detailed controller board specifications, refer to Appendix B,
“Controller Specifications”.
Overview of Controller Features
• Four Wide Ultra160 SCSI channels, supporting up to 56 disk drives
(4 channels, 14 drives per channel)
• Support for HP-UX 11i v1 Operating System (64-bit only)
• Backward compatibility with Wide Ultra2 devices
• Removable array accelerator
• 64-bit, 33/66-MHz PCI system interface
• Other features supported:
— RAID 0 (striping)
— RAID 1, 1+0, 5, and ADG (fault tolerant)