Chapter 1 Hardware Installation 23
Step 5 Attach Cables, Continued
Connector Keys The keys on the connector must be cut to fit on some power supplies, as
shown below.
Power Connector Pinout
Pin Description
1Power Good (Orange wire) (Not used)
2VCC (Red wire)
3+12 Volts (Yellow wire)
4-12 Volts (Blue wire)
5Ground (Black wire)
6Ground (Black wire)
7Ground (Black wire)
8Ground (Black wire)
9-5 Volts (White wire)
10 VCC (Red wire)
11 VCC (Red wire)
12 VCC (Red wire)
Keyboard CableThe keyboard attaches via a PS/2 keyboard connector, labeled KB_CONN.
Pin Assignments
1Keyboard data
2 N/C
3 Ground
4 VCC
5Keyboard clock
6 N/C
Cont’d