
CPU
CPU
P
ROCESSOR
R
EPLACEMENT
Remove or replacement of CPU is not recommended, doing so may damage the CPU. These flip-
chip style 370-pin CPU’s have the chip dies mounted an a thin substrate. If the substrate is flexed
too far, damage will occur to the die bonds. Such damage will not be covered under the board
warranty.
P
ROCESSOR
S
IDE
B
US
S
ELECTION
Pentium and Celeron CPU’s normally select their Processor Side Bus Speed.
H
EAT
S
INK
A heat sink and cooling fan must be in place whenever power is applied to the CPU. The fan
connects to header JN1 for power.
Table 7: Fan Power Connector
JN1
Pin
Signal
Name
Function
1 +5V
Fan
Power
2 GND Ground
Note!
A fan is not required for the low-power C
ELERON
350 MH
Z
model (b version).
20 – Reference
EPM-CPU-10 Reference Manual