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Appendix A
Specifications
A.2. Controller Specifications
A.2.1 Configuration
Specification
RAID Levels
0, 1(0 + 1), 3, 5, 6, 10, 30, 50, 60, JBOD, and non-RAID disk
spanning
Host O/S Compatibility
Host O/S independent; also dependent on iSCSI offload utilities and
hardware
Host Interface RJ-45 Gigabit Ethernet
Host Channels 4 pre-configured host channels
Drive Interface
Supports up to 16 channels of 3Gbps SATA-II; SATA-I backward
compatible
Drive Channels All drive channels are pre-configured and cannot be changed
Cache Mode Write-through, write-back, and adaptive write policy
Cache Memory
Pre-installed 512MB (or above) DDR RAM DIMM with/without
ECC, registered; in one DIMM socket
Number of LUN’s Up to 32 per host ID
Multiple Target
IDs/Host Channel
Yes
Firmware on Flash
Memory
Yes
A.2.2 Architecture
Specification
CPU 933MHz PowerPC 750GL
Gigabit Ethernet Chip
Controllers
Intel 82546 x 2
DIMM Slot One 184-pin DDR DIMM module
ASIC Infortrend 64-bit chipset (ASIC400)
Flash ROM 64Mbit (8MB)
NVRAM 128Mbit with RTC (with Embedded RAIDWatch utility)
Hardware XOR Yes
Real-time Clock For event messages with time record and task scheduling
Controller Specifications A-3