Texas Instruments TI-99/4A CPU: TI TMS9900, 3MHz RAM: 16KB DISPLAY: 32 x 24 Text 192 X 256, 16 color SOUNDS: 3 channels, 5 octaves 1 noise channel (periodic and white) Upgradeable to a Speech Synthesizer AVAILABLE PORTS: ROM cartridge (on front) Data storage cassette Audio/Video output Joystick input CPU bus expansion AVAILABLE PERIPHERALS: [...]
Archive for the ‘Vintage Computers’ category
Putting Your Computer In Perspective
September 15th, 2008
These are a few knick-knacks I have sitting on my bookshelf. I keep them there because they help me reflect on how astonishing the computers that sit on our desks our. These three pieces, when put in proper perspective, is just short of the absurd. Exhibit A is a vacuum tube. This particular one I [...]
Vintage Computer Piece: Sharp PC-7000
September 7th, 2008
Sharp PC-7000 CPU: Intel 8086, 7.37 or 4.77 Mhz RAM: 320k (704k max.) Display: 80 x 24 Text 640 x 200 Mono Graphics Sound: Beeper Available Peripherals: Serial port Parallel port Color CRT video output (optional) 2 x Internal 360K Floppy Drives (5 1/4″) OS: MS-DOS Year: 1985 Original Price: ??? The Sharp PC-7000 was [...]
Vintage Computer Piece: The Commodore C64
August 31st, 2008
The Commodore 64 CPU: MOS 6510, 1MHz RAM: 64K Display: 25 x 40 Text 320 x 200 16 color Sound: SID 6581, 3 Channel Sound Available Ports: Composite Video 2 x Joystick ROM Cartridge Serial Port Available Peripherals: External 170K Floppy Drive (5 1/4″) Cassette Recorder Printer Modem OS: ROM Basic 2.0 Year: 1982 Original [...]
