HPE STOREONCE 5500

The HP p1228 RAID controller
The p1228 RAID card in a StoreOnce server
The StoreOnce 5500 System uses the HP p1228 RAID controller fitted with a RAID cache module and
SuperCapacitor. The StoreOnce 5500 System has two RAID controllers. Cables connect the external SAS
ports on the controller to the SAS storage in the disk enclosure(s). The RAID cache module is seated on the
RAID card and has one port to connect to the SuperCapacitor (which is located in the center of the unit,
clipped to the floor of the chassis behind the disk cage).
Spares part numbers
Replacement spares part numbers for the p1228 card and SuperCapacitor module are as follows:
• HP p1228 RAID controller: 842476-001
• SuperCapacitor: 660093-001
• RAID cache module: 633542-001
• External SAS cable: 717433-001 (2 m) or 717432-001 (1 m)
The 2 m SAS cable can only be used to connect the RAID controller in the head server unit to the SAS
disks in the disk enclosure. it cannot be used to connect one disk enclosure to another disk enclosure.
2 3
5
4
1
Figure 3: HP p1228 RAID card
1
Connector to external SAS storage (Port 2E to
drawer 2, Port 1E to drawer 1)
2
Cache module
3
SuperCapacitorconnector
4
SuperCapacitor (located in the center of the
unit, clipped to the floor of the chassis behind
the disk cage)
5
LEDs
24 The HP p1228 RAID controller