C64/128 TECHNICAL INFORMATION

Welcome to the C64/128 product technical information page. Here you will find hardware specifications, repair procedures and upgrade information on most available C64/128 computer products.

VIC-20 COMPUTER

Under Construction

COMMODORE 64 SERIES

C64 SPECIFICATIONS
CENTRAL PROCESSOR: 6510
CHIP SET: Commodore 64 Custom (Custom OS, BASIC v2.0 & Character ROMs / Dual 6526 CIA ICs / 6567 VIC-II IC / 6581 SID IC / C64 PLA IC)
SPEED: 1 MHz
MEMORY: 64K System RAM (Four 16K Banks) / 20K System ROM
DISKS: None
MOUSE: None
INTERFACES: Power socket / Two controller ports / Expansion Port / Cassette Port / Commodore Serial Port / Custom Video Out / R-F Modulator Out / User Port / Internal Keyboard Connector
OPERATING SYSTEM: Commodore 64 OS (Kernal)
GRAPHIC CAPABILITY: Resolutions; 320 x 200 (Standard & Multi-Color Bit Map Modes) / 40 Column x 25 Line (Standard, Multi-Color & Extended Background Color Character Display Modes) / Standard & Multi-Color Sprite Capability (Eight Programmable Sprite Capability)
Color Depth; 16 pre-defined colors /
SOUND CAPABILITY: Three Tone Oscillators (0 - 4 kHz Range) / Four Waveforms per Oscillator (Triangle, Sawtooth, Variable Pulse & Noise) / Three Amplitude Modulators (48 dB Range) / Three Envelope Generators (Attack Rate: 2 ms - 8 s, Decay Rate: 6 ms - 24 s, Sustain Level: 0 - Peak Volume, Release Rate: 6 ms - 24 s) / Oscillator Synchronization / Ring Modulation / Programmable Filter (Cutoff Range 30 Hz - 12 kHz, 12 dB Octave Rolloff, Low Pass, Band Pass, High Pass, Notch Outputs, Variable Resonance) / External Audio Input
POWER REQUIREMENTS: External C64 Power Supply
ENVIRONMENT REQUIREMENTS: For operation; 5 to 40 degrees Centigrade / 41 to 104 Fahrenheit. For storage; -40 to 60 degrees Centigrade / -40 to 140 degrees Fahrenheit. Humidity requirments; 20% to 90% relative humidity, non-condensing.
ENCLOSURE: Desktop Console

COMMODORE 128 SERIES

C128 SPECIFICATIONS
CENTRAL PROCESSOR: 6510 (C64 Mode) / 8502 (C128 Mode) / Z80B (CP/M Mode)
CHIP SET: Commodore 128 Custom (Custom OS, BASIC v7.0 & Character ROMs / MMU IC / Dual 6526 CIA ICs / 8564 VIC128 IC / 8563 Video IC / 6581 SID IC / C128 PLA IC)
SPEED: 1 MHz (C64 Mode) / 2MHz (C128 Mode) / 2MHz (CP/M Mode)
MEMORY: 128K System RAM (Two 64K Banks) / 16K Video Display RAM / 48K System ROM
DISKS: None
MOUSE: None
INTERFACES: Power socket / Two controller ports / Expansion Port / Cassette Port / Commodore Serial Port / Composite Video Out / R-F Modulator Out / RGBI Port / User Port / Internal Keyboard Connector
OPERATING SYSTEM: Commodore 128 OS (Kernal)
GRAPHIC CAPABILITY: Resolutions; 320 x 200 (Standard & Multi-Color Bit Map Modes) / 40 Column x 25 Line (Standard, Multi-Color & Extended Background Color Character Display Modes) / 80 Column x 25 Line (Standard Character Display Mode) / Standard & Multi-Color Sprite Capability (Eight Programmable Sprite Capability)
SOUND CAPABILITY: Three Tone Oscillators (0 - 4 kHz Range) / Four Waveforms per Oscillator (Triangle, Sawtooth, Variable Pulse & Noise) / Three Amplitude Modulators (48 dB Range) / Three Envelope Generators (Attack Rate: 2 ms - 8 s, Decay Rate: 6 ms - 24 s, Sustain Level: 0 - Peak Volume, Release Rate: 6 ms - 24 s) / Oscillator Synchronization / Ring Modulation / Programmable Filter (Cutoff Range 30 Hz - 12 kHz, 12 dB Octave Rolloff, Low Pass, Band Pass, High Pass, Notch Outputs, Variable Resonance) / External Audio Input
POWER REQUIREMENTS: External C128 Power Supply
ENVIRONMENT REQUIREMENTS: For operation; 5 to 40 degrees Centigrade / 41 to 104 Fahrenheit. For storage; -40 to 60 degrees Centigrade / -40 to 140 degrees Fahrenheit. Humidity requirments; 20% to 90% relative humidity, non-condensing.
ENCLOSURE: Desktop Console

C128D SPECIFICATIONS
CENTRAL PROCESSOR: 6510 (C64 Mode) / 8502 (C128 Mode) / Z80B (CP/M Mode)
CHIP SET: Commodore 128 Custom (Custom OS, BASIC v7.0 & Character ROMs / MMU IC / Dual 6526 CIA ICs / 8564 VIC128 IC / 8563 Video IC / 6581 SID IC / C128 PLA IC) / 1571 Chip Set (see 1571 specifications)
SPEED: 1 MHz (C64 Mode) / 2MHz (C128 Mode) / 2MHz (CP/M Mode)
MEMORY: 128K System RAM (Two 64K Banks) / 64K Video Display RAM / 48K System ROM
DISKS: Internal 1571 5.25" Diskette Drive System
MOUSE: None
INTERFACES: Power socket / Two controller ports / Expansion Port / Cassette Port / Commodore Serial Port / Composite Video Out / R-F Modulator Out / RGBI Port / User Port / External Keyboard Connector
OPERATING SYSTEM: Commodore 128 OS (Kernal)
GRAPHIC CAPABILITY: Resolutions; 320 x 200 (Standard & Multi-Color Bit Map Modes) / 40 Column x 25 Line (Standard, Multi-Color & Extended Background Color Character Display Modes) / 80 Column x 25 Line (Standard Character Display Mode) / Standard & Multi-Color Sprite Capability (Eight Programmable Sprite Capability)
SOUND CAPABILITY: Three Tone Oscillators (0 - 4 kHz Range) / Four Waveforms per Oscillator (Triangle, Sawtooth, Variable Pulse & Noise) / Three Amplitude Modulators (48 dB Range) / Three Envelope Generators (Attack Rate: 2 ms - 8 s, Decay Rate: 6 ms - 24 s, Sustain Level: 0 - Peak Volume, Release Rate: 6 ms - 24 s) / Oscillator Synchronization / Ring Modulation / Programmable Filter (Cutoff Range 30 Hz - 12 kHz, 12 dB Octave Rolloff, Low Pass, Band Pass, High Pass, Notch Outputs, Variable Resonance) / External Audio Input
POWER REQUIREMENTS: Internal C128D Power Supply
ENVIRONMENT REQUIREMENTS: For operation; 5 to 40 degrees Centigrade / 41 to 104 Fahrenheit. For storage; -40 to 60 degrees Centigrade / -40 to 140 degrees Fahrenheit. Humidity requirments; 20% to 90% relative humidity, non-condensing.
ENCLOSURE: Desktop C128D Case

COMMODORE DISK DRIVE SERIES

Under Construction