2-10
MS-7021 ATX Mainboard
Clear CMOS Jumper: JBAT1
If you want to clear the system
configuration, use the JBAT1 (Clear CMOS
Jumper) to clear data.
Clear CMOS
3
1
Keep CMOS
3
1
JBAT1
1
3
Slots
The motherboard provides one AGP slot and five 32-bit Master PCI bus
slots. Please note that the AGP slot does not support 3.3V AGP card. Use of
3.3V AGP cards may result in a failure to restart the system.
PCI Interrupt Request Routing
MSI Reminds You...
You can clear CMOS by shorting 2-3 pin while
the system is off. Then return to 1-2 pin position.
Avoid clearing the CMOS while the system is on;
it will damage the mainboard.
Order 1 Order 2 Order 3 Order 4
PCI Slot 1 INT A# INT B# INT C# INT D#
PCI Slot 2 INT B# INT C# INT D# INT A#
PCI Slot 3 INT C# INT D# INT A# INT B#
PCI Slot 4 INT D# INT A# INT B# INT C#
PCI Slot 5 INT B# INT C# INT D# INT A#