NEC SP B-Series - Manual (Page 105)

B-4 Connector Pin Assignments
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
1 and 2) 9-pin D-shell
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)
J6J2 (Bank 1)
J7J1 (Bank 2) 72 pin single inline connector
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