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ASUS P8B75-M LX PLUS
1-23
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!
• If the steps above do not help, remove the onboard battery and move the jumper
again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the
battery.
• You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature.
Shut down and reboot the system, then the BIOS automatically resets parameter
settings to default values.
1.8 Connectors
1.8.1 Rear panel connectors
LAN port
Speed
LED
Activity Link
LED
Activity/Link LED Speed LED
Status Description Status Description
OFF No link OFF 10Mbps connection
ORANGE Linked ORANGE 100Mbps connection
BLINKING Data activity GREEN 1Gbps connection
1. PS/2 Keyboard / Mouse Combo port.
This port is for a PS/2 keyboard or PS/2
mouse.
2. LAN (RJ-45) port.
This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub.
LAN port LED indications
9 8
3 4
5
2
67
1
10