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The AEC-4412B RAID controller is a fault-tolerant SCSI-to-SCSI RAID controller that bridges the SCSI interface between the host system and the SCSI hard drive peripherals.
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Note: Only drivers that are not included or embedded within a supported operating system are listed below. To see a complete list of supported operating systems see the Product Specifications

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Number of devices
up to 15 devices per channel (30 total)
Data Transfer Rate
40 MByte/sec

Host interface

One, single-ended or differential
Fast, Wide (8 and 16 bit), and UltraSCSI

Device interface

Two, single-ended
Fast, Wide (8 and 16 bit), and UltraSCSI

Advanced RAID features

Hot spare and hot swap of drives
Array status monitoring
Adjustable stripe width
Automatic sector remapping

Advanced hardware features

Fast-page cache memory using standard 72-pin SIMMs
Up to 32 MByte user-configurable nonvolatile memory
Flash upgradable firmware
Independent memory stores allowing concurrent operations
Write-through, Write-back, and Read-ahead cache

Advanced SCSI features

Multiple SCSI PhaseEngine® co-processors
255 simultaneous commands
Tagged command queuing

Array support

Drives can be configured for RAID levels 0, 1, 0/1, 4, and 5
Configuration and management: RS232 serial interface to PC or standard VT100 terminal
Window and menu-based interface
Performance statistic monitoring
Event logging

Board Dimensions

6.25 in. x 3.88 in.

Power Consumption

5.0Vdc +/- 5% at 3.0 amps typical
12.0Vdc +/- 10% at 0.1 amp maximum +/- 5%

Operating Characteristics

41 F to 122 F(5 C to 50 C)
10% to 85% non-condensing humidity

Storage Characteristics

-40 F to 140 F(-40 C to 60 C)
5% to 90% non-condensing humidity