IBM 6266 User Manual page 66

Switching power supply. The system comes with a switching power
1
supply.
2
Expansion slots. On the system boards are three expansion slots for
installation of the adapter cards that conform to Peripheral Component
Interconnect (PCI) specifications. These cards are commonly referred to
as PCI adapter cards (only the low-profile PCI cards will fit).
3
System board.The system board is secured by screws on the inner base
of the chassis.
4
Bay 3. This drive can accommodate a 5.25-inch half-high drive such as a
hard disk, tape, or CD-ROM. In many models, this bay holds a factory-
installed CD-ROM drive or DVD-ROM drive.
5
Bay 2. This drive can accommodate a 3.5-inch device. In many models,
this bay holds a factory-installed hard disk drive.
6
Bay 1. This drive bay can accommodate a 3.5-inch slim IDE hard disk. In
many models, this bay holds a factory-installed diskette drive.
5-10 IBM Personal Computer User Guide