1.4.1.7 - Norsk Data hardware - ND-500

Description

• The microcode instruction sequencer and control store parity check in the ND-500/1 CPU.
• Print: C   ECO: H
• Print: E   ECO: H
• PCB size 405 x 280 mm, 4 layers
• Release date xx. xxx. xxxx

Chipset

• 03900B
• 03901B
• 03902B
• 03903B
• 03904B
• 03905B
• 03906B
• 03907B
• 03908A
• 03909A
• 03910A
• 03911A
• 03912A
• 03913A
• 03914A
• 03915A
• 04200A
• 04201A
• 04202A
• 04203A
• 04204A
• 04205A
• 04300A

LEDs

• LD1 (yellow) - Trace system armed
• LD2 (red) - Control store parity error

Straps

• None

Switches

• None

Connectors

• (A) Standard ND-500 bus
• (B) Standard ND-500 bus
• (C) Standard ND-500 bus
• (D) Standard ND-500 bus