1.4.8.1 - Norsk Data terminal - Tandberg

Description

• The graphics board for the Tandberg TDV-2200/S terminal.
• The first version (A) was made by Digital Engineering inc. and called Retro-Graphics (made in USA).
• The next version (B) was made by Tandberg Data.
• Using 6 DRAM chips for the memory, 16384 x 4 bits x 6 pieces (total 48 KB).
• PCB size 338 x 165 mm, 2 layers
• Release date xx. xxx. xxxx

Chipset

• 965786-2.1 (U53)
• 965786-2.1 (U61)
• HD46505 or
  
• MC68B45 - CRT controller
• D41416 or
  
• TMS4416 - DRAM x 6 pieces
• MK3880 or
  
• Z80A - 8 bit CPU

LEDs

• None

Straps

• Many

Switches

• None

Connectors

• J1 - Power
• J2 - Connection to the main PCB
• J4 - Power
• J5 - Connection to the main PCB