1.4.1.5 - Norsk Data hardware - ND-100

Description

• STC MagTape controller.
• Using 16 pieces of the SRAM, 4096 x 1 bit x 16 pieces (total 8 KB).
• Print: C   ECO: J
• Print: C   ECO: R
• Print: M   ECO: R
• PCB size 367 x 280 mm, 4 layers
• Release date xx. xxx. xxxx

Chipset

• 01200D
• 02101E
• 02102B
• 02103C
• 02104C
• 02201A
• 02202A
• 02203A
• 02301A
• AM2147 or
  D2147 - SRAM x 16 pieces
• AM25LS2569 - 4 bits up/down counter x 6 pieces
• AM2942 - DMA Address Generator x 3 pieces

LEDs

• LD1 (red) - ERROR - Error occured
• LD2 (green) - RFT - Ready For Transfer
• LD3 (green) - RDYS -
• LD4 (yellow) - HDENS -
• LD5 (yellow) - DMAIN -
• LD6 (yellow) - DMAOUT -

Straps

• None

Switches

• TH1 - Device number

Connectors

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