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      The C-16 was introduced in 1984 at the summer CES along with the Plus 4. The C-16 a scaled down version of the Plus 4 was designed to replace the aging VIC-20 which was discontinued in the spring of 1984. The C-16 came with 16k of RAM and contained the new BASIC 3.5, a built-in machine language monitor, and screen windowing capability. There is also a rear port for memory expansion up to the full 64k. Commodore targeted this computer as an entry level computer for consumers who weren't sure of spending a lot of money to try out a computer. As with the Plus 4, the C-16 was not compatible with most of the VIC-20's or C-64's peripherals and none of their software.


Introduced June 1984
Release Price $99.99


System Architecture



Microprocessor 7501   Standard on system board 16k
Clock speed 1 MHz   Maximum on system board 16k
Bus type CBM proprietary   Maximum total memory ???
Data bus width 8-bit   Memory speed and type ???
Address bus width     System board memory socket type ???
Interrupt levels N/A   Number of memory module sockets ???
DMA channels N/A   Memory used on system board ???

Standard Features


Disk Storage

ROM size 20k   Internal disk and tape drive bays none
Optional math coprocessor none   Standard floppy drives optional
Parallel port type serial   Optional floppy drives: up to 8
RS232C serial ports yes   * 5 1/4 inch 160k optional
Mouse ports yes - joystick   * 5 1/4 inch 1.2MB No
UART chip used N/A   * 3 1/2 inch 720k No
Maximum speed N/A   * 3 1/2 inch 1.44MB No
CMOS real time clock no   * 3 1/2 inch 2.88MB No
CMOS RAM none   Hard disk controller included No

Video & Graphics



Graphics Processor ???   Sound Interface device  
Screen size - Col x Rows 40 x 25   Sound generation  
Resolution - Colors/High 128 - 320 x 200 pixels   ADSR capable no
Resolution - Colors/Low        
Max colors 128   Programming language  
Sprites or Missiles no   Built in language CBM Microsoft Basic 3.5
Expansion Slots     Built in M L monitor no
Total adapter slots 1-8 bit  

Keyboard Specs.

Number of 8/16/32 bit slots 1/0/0   Number of keys  
Physical Specs.     Upper/lower case yes/yes
Dimensions:     Keyboard cable length N/A
* Height 3 inches   Environmental Specs.  
* Width 16 inches   Power supply output ???
* Depth 8 inches   Operating voltage @ 60 Hz 104-127VAC
* Weight 4 1/2 pounds   Maximum current ???