User’s Ma nual
AR-B7290
19
1.4 Central Processing Unit (CPU)
The motherboard comes with a 940-pin AM2 socket designed for the AMD Phenom, Athlon
64, Athlon 64 x 2, and Sempron processor.
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Make sure the AC power is off before you install the CPU.
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If installing a dual-core CPU, connect the CPU fan cable to the
CPU_FAN
connector to ensure system stability.
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The AM2 socket has a different pin out from the 940-pin socket
designed for the AMD Opteron processor. Make sure use a CPU
is designed for the AM2 socket. The CPU fits in only one correct
orientation. DO NOT forces the CPU into the socket to prevent
bending the connectors on the socket and damaging the CPU!
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Your boxed AMD Phenom / Athlon 64 / Athlon 64 x 2, and
Sempron CPU processors package should come with installation
instructions for the CPU, heatsink, and the retention mechanism.
If the instructions in this section do not match the CPU
documentation, follow the latter.
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Upon purchase of the motherboard, make sure that the PnP cap
is on the socket and the socket contacts are not bent. Contact
your retailer immediately if the PnP cap is missing, or if you see
any damage to the PnP cap/socket contacts/motherboard
components. Your place of purchase or local distributor will
shoulder the cost of repair only if the damage is
shipment/transit-related.
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Keep the cap after installing the motherboard. Your place of
purchase or local distributor will process Return Merchandise
Authorization (RMA) requests only if the motherboard comes with
the cap on the CPU socket.
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The product warranty does not cover damage to the socket
contacts resulting from incorrect CPU installation/removal, or
misplacement/loss/ incorrect removal of the PnP cap.