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Chapter 1. Preparing and installing the IBM System Storage
DS4000 FC 4Gbps PCI-X Single/Dual Port HBA
This chapter contains instructions for preparing and installing the IBM System
Storage DS4000 FC 4Gbps PCI-X Single/Dual Port HBA and describes the adapter
components. The IBM System Storage DS4000 FC 4Gbps PCI-X Single/Dual Port
HBA is referred to throughout this book as the FC 4Gbps PCI-X Adapter.
Overview
The IBM System Storage DS4000 FC 4Gbps PCI-X Single/Dual Port HBA is a
4Gbps high-performance, direct memory access (DMA), bus master, Fibre Channel
host adapter designed for high-end systems. The function and performance are
derived from the ISP2422 chip (see Figure 2 on page 4) making this FC 4Gbps
PCI-X Adapter a leading-edge host adapter.
The ISP2422 chip combines a powerful, reduced instruction set computer (RISC)
processor, a Fibre Channel protocol manager (FPM) with one 4 GB Fibre Channel
transceiver, and a peripheral component interconnect (PCI) or peripheral component
interconnect-extended (PCI-X) local bus interface in a single-chip solution. The FC
4Gbps PCI-X Adapter supports all Fibre Channel (FC) peripheral devices that
support private-loop direct attach (PLDA) and fabric-loop attach (FLA).
The FC 4Gbps PCI-X Adapter connects the following:
v Mainframe computers
v Super computers
v Workstations
v Storage devices
v Servers
Fibre Channel defined
Fibre Channel technology is outlined in the SCSI-3 Fibre Channel Protocol
(SCSI-FCP) standard. Fibre Channel is a high-speed data transport technology
used for mass storage and networking.
Using a Fibre Channel Arbitrated loop (FC-AL), 126 Fibre Channel devices can be
supported, compared to 15 small computer system interface (SCSI) devices with
Ultra SCSI.
The FC 4Gbps PCI-X Adapter uses a multimode shortwave optical interface for
distances up to 500 meters when operating at 1Gbps, 300 meters when operating
at 2Gbps, and 150 meters when operating at 4Gbps.
The FC 4Gbps PCI-X Adapter is a 4Gbps Fibre Channel device that supports data
transfer rates up to 400MB per second half-duplex and 800MB per second
full-duplex on optical interfaces.
© Copyright IBM Corp. 2006 1