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7-8
IBM Personal Computer User Guide
1.
Switching power supply.
The system comes with a switching power 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). Beside these PCI
slots there is one Video Bridge slot on board. With this slot, the system could
support DFP (Digital Flat Panel) function.
3.
Modem card.
The system may include a V.90 Data/Fax modem. See
“Appendix B: Modem features’’ on page B-1 for details on modems.
4.
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.
Bay 2.
In some models, this bay holds a factory-installed PCMCIA drive.
6.
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.
7.
Bay 4.
This drive can accommodate a 3.5-inch device. In many models, this
bay holds a factory-installed hard disk drive.
8.
System board
.The system board is secured by screws on the inner base of
the chassis.
9.
PCMCIA drive adapter.
Some of the systems will be shipped with PCMCIA
drive adapter.