Installation guide

Troubleshooting
Getting Started with Troubleshooting
1-6
Figure 1-1 LEDs DS18 through DS25 of the A12 CPU
Table 1-3
Power
Supply
Voltage
(Vdc)
Connector Pins on the Minimum
Value (Vdc)
Maximum
Value (Vdc)
LED on
top-right
corner of
A12 CPU
A12 CPU A23
Motherboard
+15 J8-103 J15-103 +14.1 +15.9 DS22
−15 J8-43 J15-43 −15.9 −14.1 DS19
+32 J8-44 J15-44 +31.04 +32.96 DS23
+5.2 J7-59, 60, 119, 120 J5-59, 60, 119, 120 +4.68 +5.72 DS25
+3.4 J7-55, 56, 57, 58,
115, 116, 117, 118
J5-55, 56, 57, 58,
115, 116, 117, 118
+3.298 +3.502 DS24
+9 J8-58 J15-58 +8.73 +9.27 DS20
−6 J8-57 J15-57 −6.36 −5.64 DS21
−5.2 J8-101 J15-101 −5.356 −5.044 DS18