NCR S26, User Manual, Page: 47 / 220

Installing and Removing Expansion Boards
NCR S26 Hot Plug Server User Guide 3-15
Installing and Removing Expansion Boards
This section describes in detail the steps needed to install expansion boards in
the system.
CAUTION: Read the “ESD Precautions” section earlier in this chapter
before proceeding.
Identifying Expansion Boards
There are three types of expansion boards:
•
EISA
•
ISA
•
PCI
Each expansion board has a different type of connector, as illustrated below.
Figure 3-5. Expansion Board Connectors
ISA board EISA board PCI board
An ISA board has a single row of contacts along its connectors. There is
usually a single notch in the connector.
An EISA board has a double row of tightly spaced contacts along its
connector. There are usually six notches (five small ones and one large one) in
the connector.