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Intel SRCZCRX - RAID Controller Storage Hardware User's Manual

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Technical Specifications

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3.3.2

Array Performance Features

Table 3-4 shows the SRCZCRX controller array performance features:

3.3.3

Fault Tolerance

Table 3-5 shows the SRCZCRX controller fault tolerance features:

3.3.4

Electrical Characteristics

This section provides the power requirements for the Intel RAID Controller SRCZCRX. 
Table 3-6 lists the maximum power requirements, which include SCSI TERMPWR, under 
normal operation.

Table 3-4

Array Performance Features

Specification

Intel RAID Controller SRCZCRX

PCI Host Data Transfer Rate

Up to 1033 Mbytes/s

Drive Data Transfer Rate

320 Mbytes per channel or 640 Mbytes/s

Maximum Scatter/Gathers

26 elements

Maximum Size of I/O Requests

6.4 Mbytes in 64 Kbyte stripes

Maximum Queue Tags per Drive

As many as the drive can accept

Stripe Sizes

2, 4, 8, 16, 32, 64, or 128 Kbyte

Maximum Number of Concurrent 
Commands

255

Table 3-5

Fault Tolerance Features

Specification

Intel Raid Controller SRCZCRX

Support for SMART 

1

1. The Self Monitoring Analysis and Reporting Technology (SMART) detects up to 70 percent of all 

predictable disk drive failures. SMART also monitors the internal performance of all motors, heads, 
and drive electronics.

Yes

Optional Battery Backup for Cache 
Memory

Yes. Up to 48 hours of data retention for 128 Mbyte of cache 
memory.

Drive Failure Detection

Automatic

Drive Rebuild Using Hot Spares

Automatic

Parity Generation and Checking

Yes

Table 3-6

Maximum Power Requirements

Storage 
Adapter

PCI / 

PCI-X 

5.0 V 

PCI / 

PCI-X

3.3 V 

PCI /

PCI-X

12V 

PCI / 

PCI-X

-12V Power

Over Operating 

Range

Intel RAID 
Controller 
SRCZCRX

2.0 A

0.0 V

0.3 A with battery 
connected and 
charging

10 mA

14 W

0° C to 55° C