Intel SRCU42X Hardware User Guide - Page 28

Technical Specifications

28

3.3.2

Array Performance Features

Table 3-4 shows the SRCU42X controller array performance features:

Termination Disable

Automatic through cable and device detection

Cache Configuration

Up to 1 Gbyte 100 MHz DDR ECC SDRAM

Double-Sided Dual

Inline Memory

Modules (DIMMs)

Yes (32-, 64-, 128-, 256-, or 512-Mbyte)

Size of Flash ROM

for Firmware

1 Mbyte × 8 flash ROM

Nonvolatile Random

Access Memory

(RAM)

32 Kbyte × 8 for storing RAID configuration

Table 3-3

Storage Adapter Specifications (Cont.)

Specification

Description

Table 3-4

Array Performance Features

Specification

Intel RAID Controller SRCU42X

PCI Host Data

Transfer Rate

1064 Mbytes/s

Drive Data Transfer

Rate

320 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

Support for Multiple

Initiators

Yes

Section	Page
Preface	8
Contents	11
Figures	12
Tables	13
Chapter 1 Overview	15
1.1 Overview	15
1.2 Features	16
1.3 Hardware	17
1.3.1 Storage Adapter Configurations	17
Table 1-1 Intel Raid SRCU42X Adapter Features	17
1.3.2 Configuration on Disk	18
1.3.3 Drive Roaming	18
Chapter 2 Hardware Installation	19
2.1 Requirements	19
2.2 Quick Installation	19
2.3 Detailed Installation	20
Figure 2.1 Install the Battery Backup Unit	20
Figure 2.2 Inserting the SRCU42X Adapter Card in a PCI Slot	21
Table 2-1 Target ID’s	21
Figure 2.3 Terminating an Internal SCSI Disk Array	23
2.4 After You Have Installed the Storage Adapter	24
Chapter 3 Intel RAID Controller SRCU42X Technical Reference	25
3.1 Overview	25
Figure 3.1 Intel RAID Controller SRCU42X Layout	25
Table 3-1 Intel RAID Controller SRCU42X Headers and Connectors	26
3.2 Intel RAID Controller SRCU42X Characteristics	27
Table 3-2 Storage Adapter Characteristics	27
3.3 Technical Specifications	27
3.3.1 Storage Adapter Specifications	27
Table 3-3 Storage Adapter Specifications	27
3.3.2 Array Performance Features	28
Table 3-4 Array Performance Features	28
3.3.3 Fault Tolerance	29
Table 3-5 Fault Tolerance Features	29
3.3.4 Electrical Characteristics	29
Table 3-6 Maximum Power Requirements	29
3.3.5 Thermal and Atmospheric Characteristics	29
3.3.6 Safety Characteristics	30

Intel SRCU42X Hardware User Guide - Page 28

Array Performance Features

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