About Amd Athlon64 Socket Am2+ Cpu; Install Memory - AMD 790GX User Manual

2-3-2 About AMD Athlon64 Socket AM2+ CPU

This motherboard provides a 940-pin surface mount, Zero Insertion Force (ZIF) socket,
referred to as the mPGA940 socket supports AMD Athlon64 processor in the 940 Pin package
utilizes Flip-Chip Pin Grid Array package technology.
The CPU that comes with the motherboard should have a cooling FAN attached to prevent
overheating. If this is not the case, then purchase a correct cooling FAN before you turn on
your system.
Be sure that there is sufficient air circulation across the processor's
WARNING!
heatsink and CPU cooling FAN is working correctly, otherwise it may
cause the processor and motherboard overheat and damage, you may install
an auxiliary cooling FAN, if necessary.
To install a CPU, first turn off your system and remove its cover. Locate the ZIF socket and
open it by first pulling the level sideways away from the socket then upward to a 90-degree
angle. Insert the CPU with the correct orientation as shown below. The notched corner
should point toward the end of the level. Because the CPU has a corner pin for two of the
four corners, the CPU will only fit in the orientation as shown.
When you put the CPU into the ZIF socket, No force require to insert of the CPU, then press
the level to Locate position slightly without any extra force.
2-4

Install Memory

This motherboard provides four 240-pin DDR2 DUAL INLINE MEMORY MODULES
(DIMM) sockets for DDR2 memory expansion available from minimum memory volume of
128MB to maximum memory volume of 8GB DDR SDRAM.
Valid Memory Configurations
Bank
DIMM1
DIMM2
DIMM3
DIMM4
Total
Colden Arrow
240-Pin DIMM
DDR2 667/DDR2 800/DDR2 1066
DDR2 667/DDR2 800/DDR2 1066
DDR2 667/DDR2 800/DDR2 1066
DDR2 667/DDR2 800/DDR2 1066
System Memory (Max 8GB)
CPU ZIF mPGAB Socket
PCS
9
Total Memory
X1
128MB∼2GB
X1
128MB∼2GB
X1
128MB∼2GB
X1
128MB∼2GB
4
128MB∼8GB