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Ultra320 SCSI to PCI-X Host Adapters 3-1
Rev. 2.0 Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Chapter 3
Ultra320 SCSI
Host Adapter Board
Characteristics
This chapter describes the LSI Logic Ultra320 SCSI to PCI-X host
adapter boards. This chapter includes these topics:
• Section 3.1, “Ultra320 SCSI to PCI-X Host Adapters,” page 3-1
• Section 3.2, “Host Adapter Characteristics,” page 3-8
• Section 3.3, “Technical Specifications,” page 3-8
3.1 Ultra320 SCSI to PCI-X Host Adapters
PCI-X is a high-speed standard local bus for interfacing a number of I/O
components to the processor and memory subsystems in a high-end PC.
The component height on the top and bottom of the Ultra320 SCSI host
adapters follow the PCI Local Bus Specification, Revision 2.2 and PCI-X
Addendum to the PCI Local Bus Specification, Revision 1.0a. The
Ultra320 SCSI host adapters are used in PCI-X and PCI computer
systems with PCI standard and PCI low profile bracket types. Table 3.1
lists the LSI Logic Ultra320 SCSI host adapters.
Table 3.1 Ultra320 SCSI, 64-bit, 133 MHz PCI-X Host Adapters
Adapter Channel Bracket Board Dimensions
LSI20320 Single Channel Ultra320 SCSI Standard 6.6 x 2.53 inches, 167.6 x 64.3 mm
LSI20320-R Single Channel Ultra320 SCSI Standard 6.6 x 2.53 inches, 167.6 x 64.3 mm
LSI20320L Single Channel Ultra320 SCSI Low Profile 6.6 x 2.53 inches, 167.6 x 64.3 mm
LSI20320H Single Channel Ultra320 SCSI Standard 6.6 x 3.25 inches, 167.6 x 82.6 mm
LSI21320 Dual Channel Ultra320 SCSI Standard 6.6 x 3.25 inches, 167.6 x 82.6 mm
LSI21320-R Dual Channel Ultra320 SCSI Standard 6.6 x 3.25 inches, 167.6 x 82.6 mm
LSI22320 Dual Channel Ultra320 SCSI Standard 6.6 x 4.0 inches, 167.6 x 106.7 mm
LSI22320-R Dual Channel Ultra320 SCSI Standard 6.6 x 4.0 inches, 167.6 x 106.7 mm