22
MB-662 User Manual
Keyboard Lock (JP18)
Keyboard Lock (CN18)
Pin
Signal
Pin
Signal
1
Vcc
4
KBLOCK
2
N/C
5
GND
3
GND
IR Touch Screen Power Pin Header (JP16)
This plug in jumper connection provides quick installation for the
optional use of IR touch screen on display panels. Just refer to the
pin definitions below:
Pin Signal Pin Signal
1 Vcc 2 GND
3
N/C
4 N/C
5
N/C
6 N/C
100/66 Mhz Frequency Selection (JP17)
Provide the users to manually select the operating frequency with
the use of jumper JP17. Illustrated setting as follows:
*
66 Mhz Frequency
100 Mhz Frequency
1 2 1 2
* Default
Note:
FC-PGA CPUs’ frequency ratio are pre-locked within the CPUs.
These CPUs run at fixed speed (frequency) regardless of the config-
urations listed above.If the CPU you are using requires a ratio higher
than 5.5X, it is most likely pre-locked. This table is provided for
those who are using older PPGA Celeron processors that do not
have pre-locked multiplier.
