ROCKY-3702EV Socket 370 Celeron
TM
& Pentium III
with AGP VGA & 10/100Mbps Ethernet SBC
10
FREQUENCY
2.3 Setting the CPU of ROCKY-3702EV
•
JP3 : CPU FREQUENCY SETTING
JP3
1-3
2-4
66MHz/100MHz
ON
ON
Note: Intel Celeron CPU will auto-detect 66MHz
Intel Pentium III ( FC-PGA ) CPU will auto-detect 100MHz
•
JP8 :
CPU MULTIPLIER SETTING
Ratio
1-2
3-4
5-6
7-8
3.0 x
ON
OFF
ON
ON
3.5 x
ON
OFF
OFF
ON
4.0 x
OFF
ON
ON
ON
4.5 x
OFF
ON
OFF
ON
5.0 x
OFF
OFF
ON
ON
5.5x
OFF
OFF
OFF
ON
6.0x
ON
ON
ON
OFF
6.5x
ON
ON
OFF
OFF
7x
ON
OFF
ON
OFF
7.5x
ON
OFF
OFF
OFF
8x
OFF
ON
ON
OFF
2.4 Watch-Dog Timer
The Watch-Dog Timer is enabled by reading port 443H. It should
be triggered before the time-out period ends, otherwise it will
assume the program operation is abnormal and will issue a reset
signal to reboot or activate NMI to CPU. The Watch-Dog Timer
is disable by reading port 043H
.
•
JP5 : Watch-Dog Timer Type Setting
PIN NO.
DESCRIPTION
1-2
NMI
2-3
RESET
