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4. Installing the CPU and Cooling Fan
Socket A type Duron
processors can be used on the Trinity
KT-A. Remember:
•
The CPU is a sensitive electronic
component and it can easily be
damaged by static electricity. Do
not touch the CPU pins with your
fingers.
•
Before the CPU is installed, the
mainboard must be placed on a flat
surface. You should be able to
insert the CPU into the socket
with minimal, but firm pressure.
Do not press down hard on the
CPU.
Pin 1 on the CPU is denoted by a small dot on one of the corners and Pin 1 on the ZIF
socket is denoted by an angled corner (see Figure 2-6). Never force a CPU into a
socket. Forcing a CPU to seat will bend the pins on the CPU and possibly damage the
motherboard.
Push down lightly on the CPU, and lower the arm on the ZIF socket to secure the
CPU. A squeaking noise is normal as the arm lowers. After the CPU is securely seated,
install the appropriate cooling device. Tyan strongly recomends a heatsink / fan
combination. Consult with your case manufacturer for other cooling options.
Locate the cooling fan connector (e.g. FAN1) on the motherboard. Plug the CPU's
cooling fan cable into the cooling fan connector on the board. There will be a plastic clip
assembly similar to that of the ATX power connector that will force you to connect
the fan cable correctly (see Figure 2-7 below).
5. Connecting IDE
and Floppy Drives
The colored stripe on a ribbon cable
should face toward the ATX Power
Connector on the motherboard. In
Figure 2-8 (next page), you can see
how the IDE cables should look when
they are connected to your hard
drive. Notice how Pin 1 (denoted by
a colored stripe) is connected so that
S2390B Trinity KT-A
™
™
and Athlon
21
Pin 1
Figure 2-6
Figure 2-7
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