10
(13) Power Source Selection for KB: JKBV1
JKBV1 Assignment
Description
1
3
Pin 1-2 close
+5V
+5V for keyboard and mouse
1
3
Pin 2-3 close
+5V Standby
Voltage
PS/2 Mouse and PS/2 Keyboard are
powered with +5V standby voltage
(14) Power Source Selection for USB: JUSBV1/ JUSBV2/
JUSBV3
JUSBV1/JUSBV2/
JUSBV3
Assignment
Description
1
3
Pin 1-2 close
+5V
JUSBV1: 5V for USB located at the
JUSB1 connector port
JUSBV2: 5V for USB located at the
JUSBLAN1 connector port
JUSBV3: 5V for USB located at the
JUSB3/4 connector ports
1
3
Pin 2-3 close
+5V Standby
Voltage
JUSBV1: JUSB1 port powered with
standby voltage of 5V
JUSBV2: JUSBLAN1 port powered with
standby voltage of 5V
JUSBV3: JUSB3/4 port powered with
standby voltage of 5V
(15) Clear CMOS Jumper: JCMOS1
JCMOS1 Assignment
1
3
Pin 1-2 Close
Normal Operation (default)
1
3
Pin 2-3 Close
Clear CMOS Data
Summary of Contents for P4 VTB
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