
1 Introduction
1-8
ISA Large selection of generic I/O
types
Bus is slow, uses 8MHz bus
speed
Manual jumper and
DIP-switch settings on the
board
Modern desktop and
rack-mount PCs do not have
ISA slots
Modern I/O technology not
available on ISA boards
PC/104 Very small physical
dimensions
Large selection of available
I/O types
Uses the slow ISA bus
Manual jumper and
DIP-switch settings on the
board
PC/104+ Very small physical
dimensions
Uses the fast PCI bus
Plug-and-play operations
Limited number of I/O boards
currently available
Table 1-3: Supported I/O Boards (Continued)
Form
factors
Advantages Disadvantages
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