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
