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Appendix B: Hardware Specifications
Technical Specifications B-5
B.6.3 Controller Specifications
Description Specification
Cache memory At least 128MB, up to 1GB, PC-133
SDRAM DIMM socket x1
Firmware Resides in 2MB Flash memory
NVRAM 32KB
Devices per Channel SCSI: up to 15 SCSI devices
Supported Device Types Synchronous or asynchronous
RAID Levels Supported 0, 1(0+1), 3, 5, 10, 30, 50, JBOD and
non-RAID disk spanning
SCSI Connectors 68-pin high-density connectors (x 4) on
base module
SCSI Cables Up to 12 meters with low-voltage
differential
Serial Port 20-pin box header for COM1 & COM2
Ethernet Port 10/100M
LCD Panel Yes
LED and Push-button Interface Yes
Board Connectors 160-pin male docking connectors (x 2)
on main board (I-PEX model number
T80043-160T); connects main board to
main board backplane, integrating
SCSI/Fibre channels, redundant
controller features, RS-232C COM-1
and COM-2, battery connector signal,
on-board alarm, external LCD module,
SAF-TE status inputs, Ethernet port, I
2
C
port and drive failure indication
interface
Table B-8: Controller Specifications