1.4.1.5 - Norsk Data hardware - ND-100

Description

• Floppy interface + 4 terminal lines.
• RS-232 or Current Loop.
• Using 1 piece of SRAM chip, 1024 x 4 bits x 4 piece (total 2 KB).
• Print: C   ECO: T
• Print: D   ECO: T
• Print: E   ECO: T
• Print: M   ECO: T
• Print: N   ECO: T
• Print: Q   ECO: U
• PCB size 367 x 280 mm, 6 layers
• PCB size 367 x 280 mm, 4 layers from PCB N
• Release date 19. May. 1986

Chipset

• 00700A
• 00800A
• 00900A
• 4702 - Programmable Bit Rate Generator
• IM6402 - UART x 4 pieces
• P2114 or
  S2114 - SRAM x 4 pieces
• CNY17 or
  SFH600 - Optocoupler x 4 pieces

LEDs

• None

Straps

• None

Switches

• TH1 - Baud rate for terminals
• TH2 - Device numbers for terminals
• TH3 - Device number for floppy
• SW1 - RS232/CL switch, channel 0, ON = RS232, OFF = Current Loop
• SW2 - RS232/CL switch, channel 1, ON = RS232, OFF = Current Loop
• SW3 - RS232/CL switch, channel 2, ON = RS232, OFF = Current Loop
• SW4 - RS232/CL switch, channel 3, ON = RS232, OFF = Current Loop

Connectors

• (A) Floppy bus
• (B) Terminals
• (C) Standard ND-100 system bus