Megaraid Components; Cpu - LSI MegaRAID SCSI 320-2 RAID Controller Series 518 Hardware Manual

4.10 MegaRAID Components

4.10.1 CPU

4-8
Table 4.6 MegaRAID SCSI 320-2 Specifications (Cont.)
Parameter
Nonvolatile RAM
Memory type
Operating voltage
SCSI controller
SCSI data transfer rate Up to 320 Mbytes/s
SCSI bus
SCSI termination
Termination disable
Devices per SCSI
channel
SCSI device types
supported
RAID levels supported
SCSI connectors
SCSI cables
Serial port
The MegaRAID SCSI 320-2 controller uses the 64-bit Intel 80303
Intelligent I/O processor with an embedded 32-bit 80960 Jx RISC
processor that runs at 100 MHz. This processor directs all functions of
the controller including command processing, PCI and SCSI bus
Features
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Specification
32 KB 8 for storing RAID configuration
One 72-bit 168-pin SDRAM DIMM socket provides
write-through or write-back caching on a logical drive
basis. It also provides adaptive read-ahead.
5.00 V 0.25 V and 3.3 V +/- 0.3 V
2 SCSI controllers for Ultra320 and Wide support
Low voltage differential or SE
Active, low-voltage differential, or single-ended
Automatic through cable detection
Up to 15 wide or seven non-wide SCSI devices. Up to
6 non-disk SCSI drives per MegaRAID controller.
Synchronous or Asynchronous. Disk and non-disk.
0, 1, 5, 10, and 50
Two 68-pin internal high-density connectors for 16-bit
SCSI devices.
Two ultra-high density 68-pin external connectors
Up to 25 m if using low voltage differential
3-pin RS232C-compatible connector, used for test
purposes only