Appendix A

Specifications

A.2. Controller SpecificationsA.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

 

 

Yes

 

 

IDs/Host Channel

 

 

 

 

 

 

 

 

 

Firmware on Flash

 

 

Yes

 

 

Memory

 

 

 

 

 

 

 

 

A.2.2 Architecture

 

Specification

 

 

 

 

 

 

 

 

 

 

 

CPU

 

933MHz PowerPC 750GL

 

 

 

 

 

 

 

 

Gigabit Ethernet Chip

 

 

Intel 82546 x 2

 

 

Controllers

 

 

 

 

 

 

 

 

 

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