1.4.1.8 - Norsk Data hardware - ND-5000

Description

• The Samson CPU motherboard.
• The MF-bus interface and other control functions.
• Using 12 pieces of SRAM chips, 4096 x 4 bits x 12 pieces (total 24 KB).
• Using 4 x 4 pieces of SRAM chips, 4096 x 4 bits x 16 pieces (total 32 KB).
• ND-320001; ND-5200 systems: This motherboard.
• ND-320002; ND-5400/5500/5700 systems: This motherboard.
• ND-320003; ND-5800/5900 systems: See ND-324603.
• Print: A   ECO: 19
• Print: B   ECO: 19
• Print: C   ECO: 19
• PCB size 405 x 280 mm, x layers
• Release date 24. Aug. 1989

Chipset

• IC PAL 50600B
• IC PAL 55500A
• IC PAL 55600B
• IC PAL 55700A
• IC PAL 55800B
• IC PAL 55900A
• IC PAL 56000A
• IC PAL 56100A
• IC PAL 56200A
• IC PAL 56300A
• IC PAL 56400A
• IC PAL 56500A
• IC PAL 56600A
• IC PAL 56700A
• IC PAL 56800C
• IC PAL 56900B
• IC PAL 57000C
• IC PAL 57100A
• IC PAL 57200A
• IC PAL 57300B
• IC PAL 57400D
• IC PAL 57500B
• IC PAL 57600A
• IC PAL 57700B
• IC PAL 57800A
• IC PAL 57900B
• IC PAL 58000A
• IC PAL 58100C
• IC PAL 58200A
• IC PAL 58300A
• IC PAL 58400B
• IC PAL 58500A
• IC PAL 58600A
• IC PAL 58700C
• IC PAL 58800B
• IC PAL 58900C
• IC PAL 59000A
• IC PAL 59100C
• IC PAL 59200B
• IC PAL 59300B
• IC PAL 59400A
• IC PAL 59500B
• IC PAL 59600A
• IC PAL 59601A
• IC PAL 59602A
• IC PAL 59603A
• IC PAL 59604A
• IC PAL 59605A
• IC PAL 59606A
• IC PAL 59607A
• IC PAL 59700A
• IC PAL 59800A
• IC PAL 59900A
• IC PAL 60000A
• IC PAL 60100B
• IC PAL 60200A
• IC PAL 60300B
• IC PAL 60400B
• IC PAL 60500D
• IC PAL 60600A
• IC PAL 60700A
• IC PAL 60800B
• IC PAL 60900A
• IC PAL 61000A
• IC PAL 61100C
• IC PAL 61200A
• IC PAL 61300A
• IC PAL 61400A
• IC PAL 61500A
• IC PAL 61600A
• IC PAL 61700A
• IC PAL 61800C
• IC PAL 61900A
• IC PAL 62000A
• IC PAL 62100B
• IC PAL 62200C
• LSI BADAP
• IDT71682 SRAM x 12 pieces
• IMS1423 SRAM x 4 x 4 pieces

LEDs

• OCTO (yellow): Octobus activity
• MACRO (green): Macroprogram running
• TARM (yellow): Internal tracer trigged
• MERR (red): Memory error
• ECMIR (green): Microprogram running
• AMODE (yellow): ACCP command mode
• MR (red): Master Reset

Straps

• Test point: MACK
• Test point: MIRCK
• Test point: ALUCK
• Test point: FCK
• Test point: GND
• Strap 0: ECO level
• Strap 1: ECO level
• Strap 2: ECO level
• Strap 3: ECO level
• Strap 4: ECO level

Switches

• R8 200Ω trim potentiometer.

Connectors

• Intra connectors to baby modules.

• (A) Standard ND-MFB
• (B) Standard ND-MFB
• (C) Standard ND-MFB
• (D) Standard ND-MFB