Dimm Failure; Figure 4-3 Power Supply Connector J4107; Table 4-4 Power Supply Connector J4107 Pin Description - Sun Microsystems Ultra 80 Service Manual

13, 14
27, 28
FIGURE 4-3
TABLE 4-4
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
4.6

DIMM Failure

The operating system, diagnostic program, or POST may not always display a
DIMM location (U number) as part of a memory error message. In this situation, the
only available information is a physical memory address and failing byte (or bit).
Power Supply Connector J4107
Power Supply Connector J4107 Pin Description
Signal
+3.3 Vdc
+3.3 Vdc
+3.3 Vdc
+3.3 Vdc
+5 Vdc
+5 Vdc
+5 Vdc
RETURN +3.3 Vdc
RETURN +3.3 Vdc
RETURN +3.3 Vdc
RETURN +3.3 Vdc
RETURN +5 Vdc
RETURN +5 Vdc
RETURN +5 Vdc
1, 2
15, 16
Description
+3.3 VDC
+3.3 VDC
+3.3 VDC
+3.3 VDC
+5 VDC
+5 VDC
+5 VDC
+3.3 VDC Return
+3.3 VDC Return
+3.3 VDC Return
+3.3 VDC Return
+5 VDC Return
+5 VDC Return
+5 VDC Return
Chapter -9