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13-1
CHAPTER
13
PCI Slot Device Replacement
This chapter explains the replacement procedures for devices that are mounted in the PCI
slots of an IOU. It covers the following:
■ Section 13.1, “Overview of PCI Slot Devices” on page 13-1
■ Section 13.2, “Active Replacement” on page 13-4
■ Section 13.3, “Hot Replacement” on page 13-18
■ Section 13.4, “Cold Replacement” on page 13-21
■ Section 13.5, “Reactivating a Hardware RAID Boot Volume” on page 13-25
There are three methods for replacing PCI slot devices: active replacement, hot replacement
and cold replacement. For the definition of each type of method, see Section 4.1, “Types of
Replacement Procedures” on page 4-2.
13.1 Overview of PCI Slot Devices
This section provides an overview of devices that are inserted in the PCI slots of an IOU, and
describes their mounting locations.
Each IOU has eight PCI slots. Every PCI slot is equipped with a PCI cassette (PCICS). Any
of the devices below can be mounted in a PCI cassette, and the system functions can be
expanded with these devices.
■ PCI card
The cards that can be mounted are PCI-Express short cards.
The PCI hot plug (PHP) function enables active maintenance of PCI cards.
■ IOU onboard device card (IOUA)
A card required for mounting a built-in hard disk drive, CD-RW/DVD-RW drive unit, or
tape drive unit.