Viotech 3100+
5
CHAPTER 2: HARDWARE INSTALLATION
2.1 I
NSTALLING
C
ENTRAL
P
ROCESSING
U
NIT
(CPU)
The motherboard includes an embedded VIA C7-D 1.8G processor, and a
heatsink has been installed to provide sufficient cooling.
2.2 FAN
H
EADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different according to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
CPU_FAN1: CPU Fan Header
SYS_FAN1: System Fan Header
Pin
Assignment
1 Ground
2 +12V
1
3
3
1
SYS_FAN1
CPU_FAN1
3
FAN RPM rate
sense
Note:
CPU_FAN1/SYS_FAN1 support 3-pin head connector. When connecting with wires onto
connectors, please note that the red wire is the positive and should be connected to
pin#2, and the black wire is Ground and should be connected to GND.
