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Intel SRCU42E Hardware User Guide - Page 29

Array Performance Features - memory

UPC - 735858168403

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Table 3-3 Intel® RAID Controller SRCU42E Specifications (Cont.) Specification Description Cache Configuration 128-, 256-, or 512 Mbyte DDR1 ECC PC2700 DDR333 Double-Sided Dual Yes Inline Memory Modules (DIMMs) Size of Flash ROM 1 Mbyte flash ROM for Firmware Nonvolatile Random 32 Kbyte for storing RAID configuration Access Memory (RAM) 3.3.2 Array Performance Features Table 3-4 shows the RAID Controller SRCU42E array performance features: Table 3-4 Array Performance Features Specification Intel RAID Controller SRCU42E x8 PCI Express Host 2 Gbytes/second full duplex (4 Gbyte/second total) Data Transfer Rate theoretical Drive Data Transfer Rate 320 Mbytes/second per SCSI channel Maximum Scatter/Gathers 26 elements Maximum Size of I/O 6.4 Mbytes in 64 Kbyte stripes Requests 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 255 Concurrent Commands Support for Multiple Yes Initiators Technical Specifications 29

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 RAID Controller Configurations	17
Table 1-1 Intel® Raid Controller SRCU42E 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	20
2.3 Detailed Installation	20
Figure 2.1 Install the Intel Portable Cache Module	21
Figure 2.2 Inserting the Intel® RAID Controller SRCU42E in a x8 PCI Express* Slot	22
Table 2-1 Target ID’s	22
Figure 2.3 Terminating an Internal SCSI Disk Array	24
2.4 After You Have Installed the RAID Controller	25
Chapter 3 Intel® RAID Controller SRCU42E Technical Reference	26
3.1 Overview	26
Figure 3.1 Intel® RAID Controller SRCU42E Layout	26
Table 3-1 Intel® RAID Controller SRCU42E Headers and Connectors	27
3.2 Intel® RAID Controller SRCU42E Characteristics	28
Table 3-2 Intel® RAID Controller SRCU42E Characteristics	28
3.3 Technical Specifications	28
3.3.1 RAID Controller Specifications	28
Table 3-3 Intel® RAID Controller SRCU42E Specifications	28
3.3.2 Array Performance Features	29
Table 3-4 Array Performance Features	29
3.3.3 Fault Tolerance	30
Table 3-5 Fault Tolerance Features	30
3.3.4 Electrical Characteristics	30
Table 3-6 Maximum Power Requirements	30
3.3.5 Thermal and Atmospheric Characteristics	30
3.3.6 Safety Characteristics	31