Motorola MVME141 Board

CPU

• 25MHz or 33.3MHz MC68030 MPU

Chipset

• 25MHz or 33.3MHz MC68882 floating-point coprocessor.
• VMEbus Cache Monitor for software transparent cache operation.
• 64Kb of zero wait state physical cache.
• Write-posting interface for fast writes to system memory.
• Two 32-pin, JEDEC standard socket for ROM/PROM/EPROM.
• One 24-pin, JEDEC standard socket for a 2K x 8 NVRAM/Time-Of-Day Clock.
• One 28-pin, JEDEC standard socket for 32K x 8 Static RAM.
• Two, front panel, RS-232C serial communications ports (MC68681).
• VSB Master interface using the MVSB2400 to provide:
  - VSB System Controller with bus arbiter.
  - VSB requester with programmable timeout module.
  - Block transfer module with byte count register.
  - Status and Controller Register.
  
• VMEBus Master Interface using the MVME6000 VMEchip to provide:
  - VMEbus System Controller with 4-Level Arbiter.
  - VMEbus A32/A24/A16, D32/D16/D08 Master Interface.
  - VMEBus 4-Level Requester.
  - VMEBus 7-Level Interrupter.
  - VMEBus 7-Level Interrupt Handler.
  - Multiprocessor Control and Status Registers.
  - VMEBus access, VMEBus cycle, and Local watchdog timer
  

Memory

• No memory is installed

Misc

• 3 Status LEDs (RUN, STATUS, FAIL)
• 2 switches (RESET and ABORT).

Operating Systems

• OpenBSD/mvme68k
• Motorola System V/68 Release 3 Version 4 + BSE
• Motorola System V/68 Release 3 Version 5
• Motorola System V/68 Release 3 Version 6
• Motorola System V/68 Release 3 Version 7
• Motorola System V/68 Release 3 Version 8

Known MVME141 Documentation (in year 2014)

Motorola ID	Title
68NW9209F75A	Installation Instructions, Installation Instructions for MVME141K-6
68NW9209F77A	Installation Instructions, Board Revision List for MVME132XT to MVME141 Upgrade
MVME141/D1	MVME141-1/MVME141-2 32-Bit VMEbus/VSB-Based Microcomputer User's Manual
MVME141BUG	141BUG User's Manual
MVME714i	MVME714 and MVME714M Two-Channel Serial I/O Distribution Modules User's Manual

Available MVME141 models

Model	CPU clock
MVME141-1	25MHz
MVME141-2	33.3MHz

MVME141 Pictures

MVME714

↑ up