1.4.1.7 - Norsk Data hardware - ND-500

Description

• The instruction prefetch in the ND-500/2 CPU.
• Using two of the famous and versatile ALU chip SN74181.
• Typical position is #14 in the ND-500/2 crate.
• Print: D   ECO: BD
• Print: U   ECO: BD
• PCB size 405 x 280 mm, 4 layers
• Release date xx. xxx. xxxx

Chipset

• 31000A
• 31001A
• 31002A
• 31003A
• 31004A
• 31005B
• 31006A
• 31007A
• 31100A
• 31101A
• 31102A
• 31103A
• 31200A
• 31201A
• 31202A
• 31203A
• 31204A
• 31300A
• 31400A
• SN74181 x 2 pieces

LEDs

• None

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