IBM 770 Manuale Utente
Power Supply
The power supply converts the ac voltage to dc voltage and provides
power for the following:
power for the following:
System board set
Diskette drive
Hard disk drive
CD-ROM drive
Auxiliary devices
Keyboard
LCD panel
PCMCIA cards
DVD drive
Voltages
The power supply generates six different dc voltages: VCC5M,
VCC3M, VCC12, and VCCSW. Figure 1-8 shows the maximum
current for each voltage.
VCC3M, VCC12, and VCCSW. Figure 1-8 shows the maximum
current for each voltage.
Figure
1-8. Power Supply Maximum Current
Output
Voltage (V dc)
Current (A)
VCC5M
+
5.0
5.80
VCC3M
+
3.3
6.00
VCC12
+
12.0
0.50
VCCSW
+
5.0
0.01
1-10 System Overview