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Adding Expansion Cards
APRICOT 340 OWNER’S HANDBOOK 6/1
6 ADDING EXPANSION CARDS
Expansion cards (also known as expansion boards or adapter
cards) are small self-contained circuit boards which extend the
capabilities of the computer. For example, a graphics card could
provide more specialized video functions than those offered by the
on-board video system, or a modem card could provide a connection
to the Internet via a telephone line.
Your computer can accept two basic types of expansion card:
♦ ISA or Industry Standard Architecture cards
♦ PCI or Peripheral Component Interconnect cards
You don’t need to understand what these terms mean, but before
adding a card to your computer you will need to know its type and
possibly its size. Inside your computer are three connectors or slots
for fitting expansion cards: upper, middle and lower (see table on
next page). If your computer has a Small Computer Systems
Interface (SCSI) removable-media drive, one of these slots will
already be occupied by an SCSI adapter card.
Warning
Never carry out any work inside the computer with AC power applied. Always
turn off the computer and unplug all power cords before starting work.