IBM PPC-1510PT user manual JP9 COM1, 2 / JP4 COM3, 4 Voltage Selector

JP9 (COM1, 2) / JP4 (COM3, 4) Voltage Selector:

Voltage	COM1(JP9)	COM2(JP9)	COM3(JP4)	COM4(JP4)
+12V(dc)	1-2	7-8	1-2	7-8
R.I.	3-4	9-10	3-4	9-10
+5V(dc)	5-6	11-12	5-6	11-12

JP10, JP11: RS232 / 422 / 485 Selector for COM2

TYPE	JP10	JP11
RS-232	1-2, 4-5, 7-8, 10-11	1-2
RS-422/485 Full Duplex	2-3, 5-6, 8-9, 11-12	3-4, 7-8

* Make sure the port mode is set up correctly before installing any peripherals.

JP12’s Pin 9~11: On-board Power Good Selector

Pin 9-10		Using External Power Good
Pin 10-11		Using On Board Power Good
JFAN1, JFAN2: CPU / 2nd Cooling Fan Connector
Pin No.	Function
Pin 1	Sensor Pin.
Pin 2	+12V
Pin 3	GND

JP12’s Pin12;13;16;17;18: For ATX Power Supply

Close Pin 16-17		Using PS/2 AT Power Supply
Close Pin 17-18		UsingATX Power Supply
Pin 12; Pin 13		On/Off Switch for ATX Power
12: Case Panel Connection:
Pin No.	Description
1,2	HDD_LED -/+
3,6	External Speaker
4,5	Onboard Buzzer

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