Dell OptiPlex GX150 - Manual (Page 11)

The following table provides a color code key for the cables inside your system.
System Board Components
1 Optical drive power cable
2 Optical drive audio cable
3 Optical drive data cable
4 Diskette drive power cable
5 Diskette drive data cable
6 Hard- drive power cable
7 Hard- drive data cable
8 Front I/O cable
9 Front I/O audio cable
Hard drive Blue
Diskette drive Black
Optical drive Orange
USB Gray
ATA, IDE, or EIDE drive Green
Control panel Yellow
CD audio Blue
System audio Black
Front of Computer
Back of Computer
1 PC speaker
2 DC power connector
3 Diskette drive connector
4 Battery
5 EIDE2 connector
6 Auxiliary power indicator
7 Memory module (DIMM) connectors (2)
8 Front-panel cable connector
9 EIDE1 connector
10 PCI 2 riser connector (not populated on the small form-factor chassis, used as the riser
in the small desktop chassis, and can be populated with PCI expansion card in the
small mini-tower chassis)
11 PCI 1 connector (not able to be populated on the small desktop chassis)
12 AGP/GPA (AIMM) connector
13 Video connector (upper) and audio connectors (lower)
14 CD audio and telephony connectors
15 NIC connector (upper) and USB connectors (2) (lower)
16 Keyboard (lower) and mouse (upper) connectors
17 Diagnostic LEDs