Commodore C64 (1st Version Prototype?)

Manufacturer: Commodore
Model: C64 (first Version, with bug, seems to be prototype)
Released: 1982 (in Deutschland erst 1983)
Production ends: 1986
Processor 6510A, 8 Bit
Mhz: Pal: 0,985, NTSC: 1.023
RAM: 64 KB (expandable to 512 KB), 38 KB usable
ROM: 20 KB
Operating Systems: Basic V2 (in ROM)
Graphic, Resolution: Graphic 320x200 2 Colors, 160x200 4 Colors, Text: 40x25
Colors: 16
Sound: 3 Channel, mono (Chip: SID)
Ports: RS232, Tape, RGB, HF, BUS (Userport), 2x Joystick
Keyboard: 66 Keys, QWERTY
Internal Drives: -
Specials: Bug in graficprogramming!
Accessories: Discdrive, Tapedrive...
Launch price: ?
Sold Pieces: 11 Mio worldwide, about 3. Mio in Germany

The C64 ist the most sold Homecomputer of the world.

This is one of the first Versions sold and has an bug in the grafic-programming. This bug was eleminated soon by Commodore. When type POKE 1024,1 the new version without bug displays an "A" on the top left.