AH303A PCIe SC44Ge SAS Host Bus Adapter for Integrity Servers Support Guide, September 2009

1 Adapter Overview
This chapter provides an overview of the AH303A controller and its technology.
Features
The AH303A PCIe SC44Ge SAS Host Bus Adapter is a low-profile, 64-bit PCIe controller for
external SAS devices. Key features include:
• SAS data transfer rates of up to 3 Gb/s
• Support for SAS Ultrium tape products
• PCIe x8 (2.5 GB/s bandwidth)
• Four (4) SAS physical links via 1x4 external SFF-8470 connector
• Multi-Initiator (MI) support
Figure 1-1 AH303A Host Bus Adapter
3
4
5
1 2
53
External mini SAS 4x
connector
1
Heartbeat LED (flashes
green during normal
PCIe edge connector
operation, and glows amber
if the controller fails)
4
Internal mini SAS 4x
connector (not supported
on HP Integrity systems)
2
Activity LED (flashes green
during data transfer)
Features 9