ASROCK N68-GS4 FX User Manual page 22

ATX 12V Power Connector
(4-pin ATX12V1)
(see p.11 No. 1)
Chassis Intrusion Header
(2-pin CI1)
(see p.11 No. 15)
Please note that it is necessary
to connect a power supply with
ATX 12V plug to this connector.
Failing to do so will cause power
up failure.
This motherboard supports CASE
1 OPEN detection feature that
GND
detects if the chassis cover has
Signal
been removed. This feature
requires a chassis with chassis
intrusion detection design.
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