7
down the power supply firmly into the connector.
ATX 12V Power Connector: ATX12V
This 12V power connector is used to provide power to the CPU.
Floppy Disk Drive Connector: FDD1
The mainboard provides a standard floppy disk drive
connector that supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types.
Chassis Intrusion Switch Connector: JCI1
This connector is connected to 2-pin connector chassis switch. If the Chassis is
open, the switch will be short. The system will record this status. To clear the
warning, you must enter the BIOS setting and clear the status.
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
SPDIF-OUT Connector: JSP1
The connector is used to connect SPDIF (Sony & Philips Digital
Interconnect Format) interface for digital audio transmission.
Fan Power Connectors: CPUFAN1/SYSFAN1
The CPUFAN1 (processor fan) and SYSFAN1 (system fan) support system cooling fan
with +12V. They support three-pin head connector. When connecting the wire to
the connectors, always take note that the red wire is the positive and should be
connected to the +12V, the black wire is Ground and should be connected to GND. If
the mainboard has a System Hardware Monitor chipset on-board, you must use
a specially designed fan with speed sensor to take advantage of the CPU fan control.
MSI Reminds You...
1. Always consult the vendors for proper CPU cooling fan.
2. CPUFAN1 supports the fan control. You can install the PC Alert utility that will automatically control
the CPU fan speed according to the actual CPU temperature.
Hard Disk Connectors: IDE1 & IDE2
The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 33/66/100/133 controller that provides
GND
L
R
JCD1
3
2
1
VC CS
SPDIF0
GND
GND
SENSOR
+1 2
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