MSI K1 User Guide - Page 33

MS-9245 1U Rackmount Server Jumpers Boot Block Jumper: JBBF1 Users can short connect pin#2-3 to recover the system BIOS with a Recovery Floppy. When the system is done with the job, the buzzer will beep to notify the user and set the jumper to its normal state (pin#1-2 short connected). 1 JBBF1 3 1 Normal 3 1 Recovery PCI-X 100/133 Jumper: JPCIXB1 The jumper is used to set the channel B of 64-bit PCI bus (PCIX) to run at 100MHz or at 133MHz (for use with one PCI-X 133 device). 1 JPCIXB1 3 1 100MHz 3 1 133MHz Clear CMOS Jumper: JBAT1 If you want to clear the system configuration, use the JBAT1 (Clear CMOS Jumper ) to clear data. 1 JBAT1 3 1 Keep Data 3 1 Clear Data 2-14 NOTE 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.