Toshiba Magnia 560S - Manual (Page 21)

Overview
Overview
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Overview
The RAID Controller Kit-G is a high-performance, intelligent PCI-to-SCSI host
adapter with RAID control capabilities. The RAID Controller Kit-G provides reliability,
high performance, and fault-tolerant disk subsystem management.
The RAID Controller Kit-G is part of the Toshiba Intel GC80302-based MegaRAID
controller family. The RAID Controller Kit-G is an entry level- to mid-range RAID
controller solution. RAID Controller Kit-G offers a cost-effective way to implement
RAID in a server.
The RAID Controller Kit-G has a Ultra320 and Wide SCSI channel supporting data
transfer rates up to 320 megabytes per second (MB/s) per channel. The SCSI channel
supports up to fifteen non-Ultra SCSI devices. The RAID Controller Kit-G includes
MegaRAID features and performance.
Features
RAID Controller Kit-G features include:
•
A high-performance input/output (I/O) migration path while preserving existing
PCI-SCSI software
•
SCSI data transfers up to 320 MB/s
•
Synchronous operation on a wide low-voltage differential (LVD) SCSI bus
•
Support for up to 15 LVD SCSI devices on the wide bus
•
An Intel® GC30302 chip that performs RAID calculations and routing
•
Support for 32 or 64 MB of SDRAM on-board cache memory used for read and
write-back caching, and RAID 5 parity generation.
SCSI Channel
The RAID Controller Kit-G upgrade card includes one Ultra3 SCSI channel. The
channel is powered by a Toshiba Corporation 53C1020 Ultra320 SCSI processor.
NVRAM and Flash ROM
A 32 KB x 8 NVRAM stores RAID system configuration information. The RAID
Controller Kit-G firmware is stored in flash ROM for easy upgrade.