System Board Internal Connectors

 

 

Description

Connector Number

 

 

CD-ROM Audio

J2F1

Auxiliary Line-in Audio

J2F2

Telephony

J2F1

Fan 3

J3F2

Diskette Drive

J8K1

PCI IDE

J8G1, J7G1

Fan 1

J8M1

Fan 2

J4M1

Power Supply

J7L1

 

 

System Board Connector Numbers and Types

Function

Number

Type

Parallel Interface

 

25-pin female sub D-shell

Serial Interface (serial ports

 

9-pin D-shell

1 and 2)

 

 

Mouse

 

6-pin PS/2 style connector

Keyboard

 

6-pin PS/2 style connector

Diskette Drive

J8K1

2 x 17-pin male

Power Supply (Primary)

J7L1

2 x 10-pin locking header

DIMM Sockets

J6J1 (Bank 0)

72 pin single inline connector

 

J6J2 (Bank 1)

 

 

J7J1 (Bank 2)

 

IDE Interface (Primary)

J8G1

2 x 20-pin header

IDE Interface (Secondary)

J7G1

2 x 20-pin header

Front Panel

J8G3

1 x 25-pin header

USB

J1L1

Female USB stacked connector

 

 

 

B-4 Connector Pin Assignments

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NEC SP B-Series System Board Internal Connectors, System Board Connector Numbers and Types, Description Connector Number