Toshiba Satellite M40X manual 14 JP5, 15 JP23, 16 JP16

13	GND	-	14	GND
15	GND	-	16	GND

C.14 JP5

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Table C-13 Double USB Connector pin assignments (12-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	+USB_VCCB	I	2	USB20P2-	I
3	USB20P2+	I	4	GND	-
5	+USB_VCCA	-	6	USB20P3-	I
7	USB20P3+	-	8	GND	-
9	GND	I	10	GND	-
11	GND	-	12	GND	I

C.15 JP23

Table C-14 Single USB Connector pin assignments (4-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	+USB_VCCC	I	2	USB20P4-	I/O
3	USB20P4+	I/O	4	GND	-

C.16 JP16

Table C-15 MDC Connector pin assignments (30-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	NC	-	2	NC	-
3	GND	-	4	NC	I
5	NC	-	6	NC	-
7	NC	-	8	GND	-
9	NC	-	10	+5VS_MDC	I
11	NC	-	12	NC	-
13	NC	-	14	NC	-
15	GND	-	16	+3VS_MDC_R	I
17	+3V_MDC	I	18	NC	-
19	GND	-	20	GND	-
21	+3VS_MDC	I	22	AC97_SYNC	O

C-16 [CONFIDENTIAL] Satellite M40X Series Maintenance Manual