Atari (VCS) 2600 technical specifications
| Date of release | October 1977 |
| CPU |
MOS 6507 (a cut-down 6502), runs at 1.19 MHz
(CPU) Less than 50% of CPU time available (no DMA available) |
| Sound / Graphics |
"TIA" (Television Interface Adapter), aka "Stella",
runs at 3.58 MHz, responsible for sound AND video display Resolution: 160 x 200 Colors available: 128 |
| I/O | 6532, aka "RIOT", reads all the console switches, the
joysticks and other controllers, includes some timers |
| Memory |
128 Bytes of RAM in VLSI Some cartridges held some bytes of additional 128 bytes memory (aka "Atari Super Chip") 4 KBytes of ROM max. (more memory available via bank-switching, "32-in-1" cart has 32 banks of 2KBytes) |
| Interfaces | Cartridge port, ROM access only, 24 pins 2 Joystick ports (9-pin D-type) RF-Modulator |
| Cartridges | EPROM type 2716, 2732/2532 or equivalent |
| Power supply | For the US - input: 120 VAC/60Hz, output:
9VDC/500mA, polarity: center+/outer- For the european - input 240 VAC/50Hz, output: 9VDC/500mA, polarity: center+/outer- |