Timex Computer 2048 - Technical Specifications

Technical Specifications

CPU

• Zilog Z80A @ 3.50 MHz

ROM

• 16 KB

RAM

• 48 KB

Display

• Improved ULA offering additional screen modes:
  • Text: 32×24 characters (8×8 pixels, rendered in graphics mode)
  • Graphics: 256×192 pixels, 15 colours (two simultaneous colours - "attributes" - per 8×8 pixels, causing attribute clash)
  • Extended Color: 256×192 pixels, 15 colors with colour resolution of 32×192 (two simultaneous colours - "attributes" - per 1×8 pixels)
  • Dual Screen: (two 256×192 pixels screens can be placed in memory)
  • A monochrome 512×192 mode

Sound

• Beeper (1 channel, 10 octaves and 10+ semitones via internal speaker)

I/O

• Z80 bus in/out
• Tape audio in/out for external cassette tape storage
• RF television out
• Composite video monitor out
• Kempston Joystick input

Storage

• External cassette tape recorder
• 1–8 external ZX Microdrives (using ZX Interface 1)
• Timex FDD (Floppy Disk Drive System Power Supply, Controller and Disk Drive in separate cases. 16K RAM, Timex Operating System (TOS))
• Timex FDD3000 (Enhanced version (all in one case) of the Timex FDD but upgraded to 64K RAM & TOS with two Hitachi 3" disk drives)