1.4.1.5 - Norsk Data hardware - ND-100

Description

• PIOC (Programmable IO Controller) with 256K words of memory.
• One memory word is 22 bits as for ordinary ND-100 memory (16 data bits + 6 ECC bits).
• Using 22 pieces of DRAM chip for the memory, 262144 x 1 bit x 22 pieces (total 704 KB).
• Print: C   ECO: R
• Print: K   ECO: R
• PCB size 367 x 280 mm, 4 layers
• Release date xx. xxx. xxxx

Chipset

• 07200A
• 07201A
• 07300A
• 31600A
• 31700B
• 31800B
• 31900A
• 35600A
• 36300C
• AM9513 - Timing Controller
• AM9517 - DMA Controller x 2 pieces
• AM9519 - Interrupt Controller
• MC68000 - Microprocessor
• MK3884 or
  Z8440 - ASIO x 4 pieces
• SN74S409 - DRAM controller
• SN74LS630 - EDAC x 2 pieces
• HM50256 or
  KM41256 or
  TMS4256 - DRAM x 22 pieces

LEDs

• LD2 - HALT (red), MC68000 halt
• LD1 - RESET (red), MC68000 reset
• LD3 - MCYC (yellow), active memory cycle

Straps

• None

Switches

• TH1 - Device number
• TH2 - Lower memory address limit, low value
• TH3 - Lower memory address limit, high value

Connectors

• (A) Channels 2 and 3
• (B) Channels 0 and 1
• (C) Standard ND-100 system bus