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A.2 Controller Specifications
A.2.1 Configuration
Specification
RAID Levels
Host OS
Compatibility
Host Interface
Host Channels
Drive Interface
Drive Channels
Caching Mode
Cache Memory
Number of LUN's
Multiple Target
IDs/Host Channel
Firmware on Flash
Memory
A.2.2 Architecture
Specification
CPU
Gigabit Ethernet
DIMM Slot
ASIC
Flash ROM
NVRAM
Hardware XOR
Real-time Clock
Controller Specifications
0, 1(0 + 1), 3, 5, 10, 30, 50, JBOD, and non-RAID disk
spanning
Host OS independent; supports all major platforms
2 SCSI-320 channels via 2 dual-stacked VHDCI
connectors
2 pre-configured SCSI-320 host channels
Supports 8 or 12 channel connections to 3Gbps SATA-II
disk drives, SATA-I backward compatible
All drive channels are pre-configured, routed through a
back-end PCB and cannot be changed
Write-through or Write-back
Pre-installed 256MB (or above) DDR RAM DIMM
with/without ECC, in one DIMM socket
Up to 32 per host ID
Yes
Yes
IBM PowerPC 750CXr
One 10/100BasedT for local or remote management
access
One 184-pin DDR DIMM module
64-bit chipset (ASIC266)
32Mbit (4MB)
32KB with RTC
Yes
For event messages with time record tracking and
scheduled maintenance tasks, e.g., Media Scan.
Appendix A: Subsystem Features
A-3
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