Chapter 3: Board Installation
18 A26361-D1691-Z120-1-7619, Edition 1
3.3 - Mounting the Motherboard
Before installing your motherboard, make sure your chassis has the necessary motherboard support
studs installed. These studs are usually metal and are in gold or silver color. Usually, the chassis
manufacturer will pre-install the support studs. Remove the unused or additional studs, which may
scratch the motherboard or cause short-circuit with the components on the bottom side. If you’re
unsure of stud placement, simply lay the motherboard inside the chassis and align the screw holes
of the motherboard to the studs inside the case. If there are any studs missing, you will know right
away since the motherboard will not be able to be securely installed. Some chassis’ include plastic
studs instead of metal. Although the plastic studs are usable, TYAN recommends using metal studs
with screws that will fasten the motherboard more securely in place.
3.4 - Installing the Processor and Heatsink
DCA (Direct Chassis Attach) is required to install the Intel Xeon
processors on Thunder i7525
S2676. The processor heat-sinks need to be Intel’s CEK (Common Enabling Kit) compliant. Each
processor heat-sink needs to be mounted to chassis with which are 8 processor heat-sink mounting
holes (4 holes for each processor)
● Memory Type:
The Thunder i7525 S2676 supports DDR-II Registered type memory modules and requires
minimum two memory modules to power up the system. Unbuffered or DDR-I Memory is
NOT supported.
Below is a chart detailing what the most common motherboard studs look like and how they should
be installed it.
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