The Commodore Years - Hardware - Power Supplies
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The PET series of computer has an onboard power supply as do some of Commodore's disk drives. The majority of Commodore computers and disk drives have external power supplies which provide more than one voltage. For this they use a multi pin connector. The exceptions are the early VIC-20s and the C16. The first has a two-pin nine volt supply, the second a single pin also nine volts. Examples of those in my collection are shown here. In most cases I have more than one.
VIC-20 9 volts
VIC-20 or C64
 
VIC-20 VIC-20 / C64
9V 3A 2-pin 9VAC 1A / 5V DC 1.5A  
PN 1001038-4 PN 902503-07  
January 1982    
C64 or VIC-20
64C
64C
 
C64 C64C C64C
5V DC / 9VAC 5V DC 1.7A / 9VAC 1A 9VAC 1A / 5V DC 1.5A
PN 251053-04 PN 251053-12 PN 251053-12
Singapore 3-84 China W.Germany 23 Nov 1990
C128
C128 switched
 
C128 C128 with On/Off switch
5V DC 2.5A / 9VAC 1A 5V DC 2.5A / 9VAC 1A  
PN 310416-02 PN 310416-02  
W.Germany Okt 85 W.Germany Nov 85  
C16
Plus/4
Plus/4
 
C16 Plus/4 Plus/4
9.5V DC 800mA 7.6W 5V DC 8.5W / 9VAC 9VA 9VAC 1A / 5V DC 1.5A
PN 251539-04 PN 310200-10 PN 310200-10
W.Germany UK 02-85 22 Nov 1985
1541 MkII
1541 MkII or 1571 MkII or 1581
1581
 
1541-II Model STP 140 1541-II / 1571-II / 1581 1581
5V DC 1A / 12V DC 0.5A 5V DC 700mA / 12V DC 500mA 5V DC 1A 5VA / 12V DC 0.5A 6VA
PN 340031-02 PN 340031-05 PN 354027-02
China Taiwan ROC Taiwan
Caution
The electrical information given here is taken from the transformers displayed. However it may not be accurate or complete and may apply only to the individual examples shown. Equipment may vary by country and by manufacture. Please check local voltages and the requirements of each item. I am not an expert, if in doubt seek advice.
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