IBM 2140 Personal Computer User Manual


 
1
10
11
20
+3.3 Vdc+3.3 Vdc
+3.3 Vdc
-12 Vdc
GNDGND
ON/OFF
GNDGND
GND
GND
GND
-5 VdcPWR Good
+5 Vdc+5 Vdc Aux
+5 Vdc
+5 Vdc
+5 Vdc+12 Vdc
Figure 2-1. System Board Power Supply Connectors (Bottom View)
5 V dc 12 V dc
4 1
Figure 2-2. Hard Drive or CD/DVD-ROM End of Power Cable
14
5 V dc 12 V dc
Figure 2-3. 3.5-In. Diskette Drive End of Power Cable
(Step 006 continues)
Check Procedures 2-35