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3. S1462 On Board Resource Setting and Upgrade Guide
3.1 Quick Reference For Jumpers & Connectors (refer Fig. 3.1)
* J21/22: 5V Power Connector
1
2,10,11,12
3
4
5,6,7,8
9
* J24/J25: 3.3V Power Connector
1,2,3,10,11,12
4,5,6,7,8,9,
( J29 needs to be "OFF", if using J24/J25)
* J20: Reset Connector
"Open" for normal operation
"Close" for hardware reset
* J7: Second Level Cache Size Selection (J6 always "on" 1-2)
"Close" pins 1-2 for 512KB cache size
"Close" pins 2-3 for 256KB cache size
* J13: Power LED and Keylock Connector
1
2
3
4
5
* J8: Standard or Synchronized SRAM
1-2
2-3
S1642-001-01
Power Good Signal
VCC (+5V)
+12V
-12V
GND
-5V
GND
3.3V
LED anode (+)
NC
LED cathode (-)
Keylock
GND
Synchronized SRAM
Standard
7
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