Board Parts, Jumpers and Connectors
8 A26361-D1692-Z121-1-7619, Edition 1
SMBus 1.1 Connector (J4) J4 SMBus 1.1 Connector
Use this connector to connect external SMBUS devices
Pin 1: SMBUS_DATA Pin 2: GND
©©©©
Pin 3: SMBUS_CLK Pin 4: NC
J14 Onboard Buzzer/Speaker header
©©©© Close Pin 3 and 4 (Default) - Onboard Buzzer Enabled
©©©© Open Pin 3 and 4 - Disable onboard buzzer or connect to chassis speaker
J34 Clear CMOS Jumper
©©©
(Clear)
©©©
(Default)
You can reset CMOS settings by using this jumper if you have lost your
system/setup password or need to clear system BIOS setting.
There are three easy steps:
Power off system and disconnect all three power connectors from the
motherboard
Use jumper cap to close Pin 2 and Pin 3 for several seconds to Clear CMOS Put
jumper cap back to Pin 1 and Pin 2 (default setting)
Reconnect power & power on system
NOTE: If you do not disconnect the power connectors from the motherboard the
CMOS may not clear completely.
J39 PCI-X Slots 3 & 4 Force PCI Mode Jumper
©© Open - (Default) Allows PCI 3 & 4 to operate in PCI-X mode
©© Closed - Force PCI slots 3 & 4 to operate in PCI compatibility mode
Close this jumper if the card you are using does not support PCI-X