Hardware Reference
In-Depth Information
3. Most motherboards today attach either directly to the chassis or to a removable
motherboard tray. Figure 19.15 shows three types of standoffs, including two brass
types and one plastic. One screws directly to the chassis or tray, whereas the others
attach to the motherboard and then slide into notches in the case or tray. Most chassis
use the metal screw-in standoffs; the other types are rarely used anymore.
Figure 19.15 Various types of motherboard standoffs, used to support the board when installed in the
chassis or motherboard tray.
Figure 19.16 shows a typical ATX-style motherboard with arrows indicating the usual
location of the screw holes for mounting the motherboard to the case. (See your
motherboard manual for the exact location of these screw holes.)
Figure 19.16 Mounting screw holes in a typical ATX motherboard. The highlighted circles mark the screw
holes for mounting the motherboard to the case.
 
 
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