Text preview for : 5via73.pdf part of ACORP 5via73 User Manual
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The 5VIA73 Mainboard layout
PS/2 USB1
1 2
K/B
1
1
USB2
1 2
12 COM1
JBAT1 CMOS Clear (default) 1-2 Normal
JWOL1
JP2
1-2 OFF ON OFF ON
3-4 OFF OFF ON ON OFF ON ON OFF OFF ON ON OFF OFF
ON ON
5-6 OFF OFF OFF OFF ON ON ON OFF OFF OFF OFF ON ON
ON ON
7-8 OFF OFF OFF OFF OFF OFF OFF ON ON ON
CPU FSB PCI FSB
J2
1 JBAT1
PS2
P1 P2 P3
60 66.8 70 75 83.3 95.25 100 75 80 83.3
30 33.4 35 25 27.76 31.75 33.33 37.5 40 41.65 35
COM2
2-3
CN2 CN3
Clear
CMOS
JP1
JIR1 1 J5 J6 J7 2 1 2
P1 P2 P3
JTAG1 1-2
J3 LPT1 VGA
JFAN1
P1 P2 P3
3.3V
ON OFF
2-3
P1 P2 P3
5V (default)
ON OFF ON
FAN1/2 CPU Cooling FAN Pin Description P1 1 Signal P2 P3 2 +12VDC Ground 3 PANEL1 Connector
SPEAKER + PW-BN 1 + PW-LED HD_LED RST + + SMI
ISA SLOT1 JP2
JFAN2
Socket 7
J8 1-2
P1 P2 P3
1 JTAG1
5V (Default) 12V
OFF ON OFF ON
OFF
2-3
ON 105(103)
P1 P2 P3
ON 110(107) 36.67 ON 115(112) 38.33
ON 120(117)
40
Wake-On-LAN Connector
Pin 1 2 3 Description 5VSB GND SENSOR
P1
ON
ON 124(122) 41.33
P3
JIR1 IR Connector
Pin 1 2 3 4 5 Description +5V NC IRRX Ground IRTX
J5 CLOSE CLOSE CLOSE CLOSE
J6 CLOSE OPEN CLOSE OPEN
J7 1-2 3-4 1-2,3-4 3-4
Description AC'97 Function MC'97 Function AC'97 +MC'97 Function AMR Function
JP1 CPU Core Voltage Selection (1-5)
CPU Voltage 9-10 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF 7-8 OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON 5-6 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON 3-4 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON 1-2 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Vcore 0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5
JP1 CPU Core Voltage Selection (1-5) JP1 CPU Ratio Selection (6-8)
CPU Voltage 9-10 ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 7-8 ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF 5-6 ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF 3-4 ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF 1-2 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Vcore 2.05 2.00 1.95 OFF 1.90 OFF 1.85 1.8 1.75 1.7 1.65 1.6 1.55 1.50 1.45 1.40 1.35 1.30 ON ON ON ON ON ON OFF OFF ON OFF ON OFF 4.5 5.0 4.0 5.5 OFF OFF 1.5/3.5 OFF ON 2.0 CPU Ratio 15-16 OFF OFF 13-14 ON ON 11-12 ON OFF Ratio 2.5 3.0