IBM B50 manual J26

B1 Battery connector

J1 Not used

J2 5x5 Auxiliary 5v connector

J3 Audio input connector

J4 Internal SCSI connector #2

J5 CD-ROM audio connector

J6 CD-ROM audio connector

J7 Power connector

J8 Power connector

J9 Not used

J10 Media Fan connector

J11 Memory Connector 1

J12 Not used

J13 Audio output connector

J14 Not used

J15 Remote Power-up Jumper

J16 Diskette drive connector

J17 Microphone jack

J18 Reset Connector

J19 Memory Connector 3

J20 Power-on password jumper

J22 Headphone jack

J23 Serial port connector 2

J24 Serial port connector 1

J25 Tablet port connector

J26	CPU fansink connector
J27	System fan connector
J28	Memory Connector 2
J29	Not used
J30	System fan connector
J31	Not used
J32	Privileged-access password
	jumper
J33	Internal SCSI 16-bit connector
J35	SCSI security jumper
J36	SCSI security jumper
J38	External SCSI connector
J39	Riser card connector
J40	Power Switch connector
J41	Op Panel Connector
J42	Power Indicator LED connector
J43	Hard-disk activity LED connector
J44	Voltage Regulator connector
J45	Ethernet twisted pair connector
J46	Internal Speaker connector
J49	Parallel port connector
J50	Ethernet AUI
J53	Ethernet EPROM connector
J56	Mouse port connector
J59	Keyboard port connector
J139	Memory Connector 4

Chapter 1. Reference Information 1-7