Tomcat i7230A S5160 

                                                       Chapter 2: Board Installation 

2.4   Mounting the Motherboard 

Before installing your motherboard, ensure that your chassis is fully compatible. The Tomcat 

i7221 S5150 motherboard conforms fully to the ATX specification. Your chassis should include 

preinstalled mounting posts that match exactly with the mounting holes in the motherboard. 

Lay the motherboard on top of the mounting holes to ensure that all the necessary mounting 

posts exist in your chassis and that they match the mounting holes on the motherboard. 

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. 

See the diagram below for some examples of typical motherboard fixing studs. 

TIP: Use metal studs if possible, as they hold the motherboard into place more securely than 

plastic standoffs. 

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