Lenovo RD120 - Manual (Page 34)

System-board internal cable connectors
The following illustration shows the internal connectors on the system board.
1 Hard disk drive backplane signal
(J92)
7 CD/DVD signal (J37)
2 Power backplane (J72) 8 CD/DVD power (J12)
3 Tape drive power (J100) 9 Operator information panel (J50)
4 Front USB (J80) 10 SATA tape drive signal (J102)
5 Front video (J51) 11 Intelligent Platform Management Bus
(IPMB) connector
6 Internal USB (J82)
20 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide