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MS-7053 ATX Mainboard
Chassis Intrusion Switch Connector: JCI1
This connector is connected to a 2-pin chassis switch. If the chassis is opened,
the switch will be short. The system will record this status and show a warning
message on the screen. To clear the warning, you must enter the BIOS utility and
clear the record.
IEEE 1394 Connectors: J1394_2, J1394_3 (Optional)
The mainboard provides two 1394 pin headers that allow you to connect IEEE
1394 ports via an external IEEE1394 bracket.
9
10
J1394_2~J1394_3
Foolproof Design
E-2-20
JCI1
GND
CINTRU
1
PIN
SIGNAL
1
1
TPA+
2
3
Ground
5
TPB+
7
Cable power
9
Key (no pin)
IEEE1394 Bracket (Optional)
Pin Definition
PIN
SIGNAL
2
TPA-
4
Ground
6
TPB-
8
Cable power
10
Ground
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