1.4.1.5 - Norsk Data hardware - ND-100

Description

• Ethernet interface, must be used together with the ND-322667 Ethernet Controller.
• Using 22 pieces of DRAM chips for the local memory (16 bits words + 6 bits ECC), 65536 x 1 bit x 22 pieces (total 176 KB).
• Print: D   ECO: E
• Print: F   ECO: N
• PCB size 367 x 280 mm, 4 layers
• Release date 27. Mar. 1989

Chipset

• 07300A
• 07301B
• 08900A
• 08901A
• 09000A
• 09200B
• AM9513 - Timing Controller
• AM9517 - DMA Controller
• AM9519 - Interrupt Controller
• HM4864 - DRAM x 22 pieces
• MC68000 - Microprocessor
• SN74LS630 - EDAC x 2 pieces

LEDs

• MEM (yellow) - Memory access
• HALT (red) - MC68000 halt
• RESET (red) - MC68000 reset

Straps

• None

Switches

• TH1 - Device number
• TH2 - Bank, (L) lower limit memory address switch
• TH3 - Bank, (M) lower limit memory address switch

Connectors

• (A) Not used
• (B) To ethernet controller
• (C) Standard ND-100 system bus