Toshiba Satellite M40X manual 20 JP20, 21 JP21, 22 JP22

C.20 JP20

Table C-19 1394 Connector pin assignments (4-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	TPB0-	I/O	2	TPB0+	I/O
3	TPA0-	I/O	4	TPA0+	I/O
5	GND	-	6	GND	-

C.21 JP21

Table C-20 SPK Connector pin assignments (4-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	INTSPK_R1	I/O	2	INTSPK_R2	I/O
3	INTSPK_L1	I/O	4	INTSPK_L2	I/O

C.22 JP22

Table C-21 Audio/B Connector pin assignments (12-pin)

Pin No.	Signal name	I/O	Pin No.	Signal Name	I/O
1	+5VAMP	I	2	NBA_PLUG	I/O
3	VOL_AMP	I/O	4	+AUD_VREF	I
5	GND	-	6	MIC	O
7	GND	-	8	INTSPK_R1	I/O
9	INTSPK_L1	I/O	10	GND	-
11	WL_LED#	O	12	KILL_SW#	O

Satellite M30X Series Maintenance Manual [CONFIDENTIAL] C-19