Page 1
The 5VIA73 Mainboard layout
1
USB1
2
1
J2
2
1
2
1
LPT1
J3
JP2
1
ISA SLOT1
JBAT1
JFAN2
JIR1
1
J6
J5
J7
USB2
1
2
VGA
JP1
JBAT1 CMOS ClearJBAT1 CMOS Clear
JBAT1 CMOS Clear
PS/2
K/B
12
COM1 COM2
PS2
JWOL1
CN2
CN3
JFAN1
JBAT1 CMOS ClearJBAT1 CMOS Clear
1-21-2
1-2
1-21-2
P2 P3P1
2-32-3
2-3
2-32-3
P2 P3P1
JTAG1JTAG1
JTAG1
JTAG1JTAG1
1-21-2
1-2
1-21-2
2-32-3
2-3
2-32-3
P1
P2
P3
P1
P2
P3
(default)(default)
(default)
(default)(default)
NormalNormal
Normal
NormalNormal
Clear CMOSClear CMOS
Clear CMOS
Clear CMOSClear CMOS
3.3V3.3V
3.3V
3.3V3.3V
5V5V
5V
5V5V
(default)(default)
(default)
(default)(default)
JP2 1-2 3-4 5-6 7-8 CPU FSB PCI FSB
OFF OFF OFF OFF 60 30
ON OFF OFF OFF 66.8 33.4
OFF ON OFF OFF 70 35
ON ON OFF OFF 75 25
ON OFF ON OFF 83.3 27.76
OFF ON ON OFF 95.25 31.75
ON ON ON OFF 100 33.33
OFF OFF OFF ON 75 37.5
Socket 7
1
JTAG1
J8J8
J8
J8J8
1-21-2
1-2
1-21-2
2-32-3
2-3
2-32-3
ON OFF OFF ON 80 40
5V5V
P1
P2
P3
P1
P2
P3
5V
5V5V
(Default)(Default)
(Default)
(Default)(Default)
12V12V
12V
12V12V
OFF ON OFF ON 83.3 41.65
ON ON OFF ON 1 05(103) 35
OFF OFF ON ON 110(107) 36.67
ON OFF ON ON 115 (112) 38.33
OFF ON ON ON 120(117) 40
FAN1/2 CPU Cooling FANFAN1/2 CPU Cooling FAN
FAN1/2 CPU Cooling FAN
FAN1/2 CPU Cooling FANFAN1/2 CPU Cooling FAN
PinPin
Pin
PinPin
P1
11
1
11
P2
P3
22
2
22
33
3
33
DescriptionDescription
Description
DescriptionDescription
SignalSignal
Signal
SignalSignal
+12VDC+12VDC
+12VDC
+12VDC+12VDC
GroundGround
Ground
GroundGround
Wake-On-LAN Connector
Pin Description
1 5VSB
2 GND
3 SENSOR
P1
P3
ON ON ON O N 124(122) 41.33
J5 J6 J7 Description
CLOSE CLOSE 1-2 AC'97 Function
PANEL1 Connector
SPEAKER
+
PW-BN
1
+
PW-LED
SMI
++
HD_LED
RST
JIR1 IR Connector
Pin Description
1 +5V
2NC
3 IRRX
4 Ground
5 IRTX
CLOSE OPEN 3-4 MC'97 Function
CLOSE CLOSE 1-2,3-4 AC'97 +MC'97 Function
CLOSE OPEN 3-4 AMR Function
Page 2
JP1 CPU Core Voltage Selection (1-5)
CPU Voltage 9-10 7-8 5-6 3-4 1-2 Vcore
JP1 CPU Core Voltage Selection (1-5)
CPU Voltage 9-10 7-8 5-6 3-4 1-2 Vcore
JP1 CPU Ratio Selection (6-8)
CPU Ratio 15-16 13-14 11-12 Ratio
OFF OFF OFF OFF OFF 0
OFF OFF OFF OFF ON 2.1
OFF OFF OFF ON OFF 2. 2
OFF OFF OFF ON ON 2 .3
OFF OFF ON OFF OFF 2. 4
OFF OFF ON OFF ON 2 .5
OFF OFF ON ON OFF 2.6
OFF OFF ON ON ON 2.7
OFF ON OFF OFF OFF 2. 8
OFF ON OFF OFF ON 2.9
OFF ON OFF ON OFF 3. 0
OFF ON OFF ON ON 3. 1
OFF ON ON OFF OFF 3.2
ON ON ON ON ON 2.05
ON ON ON ON OFF 2.00
ON ON ON OFF ON 1.95
ON ON ON OFF OFF 1.90
ON ON OFF ON ON 1.85
ON ON OFF ON OFF 1 .8
ON ON OFF OFF ON 1.75
ON ON OFF OFF OFF 1.7
ON OFF ON ON ON 1.65
ON OFF ON ON OFF 1 .6
ON OFF ON OFF ON 1.55
ON OFF ON OFF OFF 1.50
ON OFF OFF ON ON 1.45
OFF ON ON 2.5
OFF ON OFF 3. 0
OFF OFF ON 2 .0
OFF OFF OFF 1.5/3.5
ON ON ON 4.5
ON ON OFF 5.0
ON OFF ON 4.0
ON OFF OFF 5. 5
OFF ON ON OFF ON 3 .3
OFF ON ON ON OFF 3. 4
OFF ON ON ON ON 3. 5
ON OFF OFF ON OFF 1.40
ON OFF OFF OFF ON 1.35
ON OFF OFF OFF OFF 1.30
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