Service manual

Chapter 4 Troubleshooting Procedures 4-5
Note – The +3.0 VDC (A) that is listed in TABLE 4-2 is a programmable output from
2.5 VDC to 3.5VDC. The 3.3 (A) output provides the core voltage, VDDCORE_1, to
CPU slot 1.
The +3.0 VDC (B) that is listed in
TABLE 4-3 is a programmable output from 2.5 VDC
to 3.5VDC. The 3.3 VDC (B) output provides the core voltage, VDDCORE_0, to CPU
slot 0
FIGURE 4-1 Power Supply Connector J3203
FIGURE 4-2 Power Supply Connector J3204
TABLE 4-2 Power Supply Connector J3203 Pin Assignments
Pin Description
1, 2 Return
3, 4 +3.3 VDC (A)
TABLE 4-3 Power Supply Connector J3204 Pin Assignments
Pin Description
1, 2 Return +5.0 VDC
3, 4 +5.0 VDC
5, 6 Return +3.0 VDC (B)
7, 8 +3.0 VDC (B)
Pin 3, 4 Pin 1, 2
Pin 1, 2
Pin 3, 4
Pin 5, 6
Pin 7, 8