2.5. Cache size selection (JP3-JP4, JP17-JP18)
2.6. Turbo switch connector (JP19)
There are two choices available for the CPU speed :
|
TURBO |
SPEED |
TURBO LED |
|
OPEN |
LOW |
OFF |
|
CLOSE * |
HIGH |
ON |
2.7. Turbo LED connector (JP20)
|
PIN NUMBER |
FUNCTION |
|
1 |
LED ANODE |
|
2 |
LED CATHODE |
2.8. External battery connector (J1)
|
PIN NUMBER |
FUNCTION |
|
1 |
POSITIVE POLARITY + V |
|
2 |
KEY |
|
3 |
GND |
|
4 |
GND |
|
PIN NUMBER |
FUNCTION |
|
1 |
CLOCK |
|
2 |
DATA |
|
3 |
NC |
|
4 |
GND |
|
5 |
+5V |
2.10. Reset switch connector (S1)
|
W1 |
FUNCTION |
|
CLOSED ONCE |
RESET THE SYSTEM |
|
OPEN |
NORMAL |
2.11. Power connector (J10, J11)
|
PIN NUMBER |
FUNCTION |
|
|
J10 |
1 |
POWER GOOD |
|
2 |
+5V |
|
|
3 |
+12V |
|
|
4 |
-12V |
|
|
5 |
GND |
|
|
6 |
GND |
|
|
J11 |
1 |
GND |
|
2 |
GND |
|
|
3 |
-5V |
|
|
4 |
+5V |
|
|
5 |
+5V |
|
|
6 |
+5V |