Appendix A Specifications
A.2.
Controller Specifications
A.2.1
Configuration
Specification
RAID Levels
0, 1(0 + 1), 3, 5, 10, 30, 50, JBOD, and non-RAID disk spanning
Host O/S
Compatibility
Host O/S independent; supports all major platforms
Host Interface
2 2Gbps Fibre channels via independent host I/O modules and
SFP ports
Host Channels
2 pre-configured 2Gbps host channels
Drive Interface
Supports up to 24 channels of 3Gbps SATA II drives, backward
compatible to SATA I
Drive Channels
All drive channels are pre-configured, routed through a back- end PCB and
cannot be changed
Cache Mode
Write-through and write-back
Cache Memory
Pre-installed 512MB DDR RAM DIMM, supports up to 2GB DDR RAM with
ECC, registered
Number of LUNs
Up to 32 per ID; up to a total of 1024, configurable depending on the size of
installed DDR memory
Multiple Target
IDs/Host Channel
Yes
Aliases for Target
IDs
Yes
Firmware on Flash
Memory
Yes
Drive Hot-swapping
Yes
Controller Hot-
swapping
Yes (redundant controller models only)
A.2.2
Architecture
Specification
CPU
600MHz PowerPC 750FX
Host Channel
Processor
QLogic 2Gbps FC processors
DIMM Slot
One 184-pin DDR DIMM module
PC-133 Support
Yes
ASIC
RAID 64-bit chipset (ASIC266)
Flash ROM
64Mbit (8MB)
NVRAM
32Kb with RTC (Real-time Clock)
Hardware XOR
Yes
I/O Channel
Bandwidth
1 to 2Gbps
Real-time Clock
For event messages with time record tracking and scheduled
maintenance tasks, e.g., Media Scan.
Controller Specifications
A
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