HP ProLiant 4500 Compaq ProLiant 4500 Servers Maintenance and Service Guide - Page 86

Megabyte Pluggable Fast-SCSI-2 Drive Specifications

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Physical and Operating Specifications 5-7 Table 5-7 SMART SCSI Array Controller Drives Supported Data Transfer Method Maximum Transfer Rate on EISA Bus Simultaneous Drive Transfer Channels Reliability Features Drive Mirroring (RAID 1) Data Guarding (RAID 2) Distributing Data Guarding (RAID 5) N+1 Distributed Data Guarding On-Line Spare Mirrored with Data Striping (RAID 10) Drive Failure Alert System Cache Memory for Accelerator Batteries Battery without Power Charge Up to 14 32-Bit Bus Master 33 MB/s 2 Yes Yes Yes Yes Yes Yes LED Indicators 4 MB Mirrored Yes Yes Trickle Table 5-8 550-Megabyte Pluggable Fast-SCSI-2 Drive Specifications Capacity Block Size Interface Synchronous Transfer Buffer Size RPM Average Access 558.5 MB 512 Bytes Single-Ended Fast-SCSI-2 Up to 10 MB 256 Kbytes 5400 rpm 10.5 ms Table 5-9 1.05-Gigabyte Pluggable Fast-SCSI-2 Drive Specifications Capacity Block Size Interface Synchronous Transfer Buffer Size RPM Average Access 1050.1 MB 512 Bytes Single-Ended Fast-SCSI-2 Up to 10 MB 256 Kbytes 5400 rpm 10.5 ms Maintenance and Service Guide

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Physical and Operating Specifications
5-7
Maintenance and Service Guide
Table 5-7
SMART SCSI Array Controller
Drives Supported
Up to 14
Data Transfer Method
32-Bit Bus Master
Maximum Transfer Rate on EISA Bus
33 MB/s
Simultaneous Drive Transfer Channels
2
Reliability Features
Drive Mirroring (RAID 1)
Yes
Data Guarding (RAID 2)
Yes
Distributing Data Guarding (RAID 5)
Yes
N+1 Distributed Data Guarding
Yes
On-Line Spare
Yes
Mirrored with Data Striping (RAID 10)
Yes
Drive Failure Alert System
LED Indicators
Cache Memory for Accelerator
4 MB Mirrored
Batteries
Yes
Battery without Power
Yes
Charge
Trickle
Table 5-8
550-Megabyte Pluggable Fast-SCSI-2 Drive Specifications
Capacity
558.5 MB
Block Size
512 Bytes
Interface
Single-Ended Fast-SCSI-2
Synchronous Transfer
Up to 10 MB
Buffer Size
256 Kbytes
RPM
5400 rpm
Average Access
10.5 ms
Table 5-9
1.05-Gigabyte Pluggable Fast-SCSI-2
Drive Specifications
Capacity
1050.1 MB
Block Size
512 Bytes
Interface
Single-Ended Fast-SCSI-2
Synchronous Transfer
Up to 10 MB
Buffer Size
256 Kbytes
RPM
5400 rpm
Average Access
10.5 ms