Features of the MVME167 are listed below. ❏ MC68040 Microprocessor at 25 MHz (-00X models), or 33 MHz (-03X models) ❏ 4/8/16/32/64MB of 32-bit DRAM with parity protection or 4/8/16/32/64/128/256MB of DRAM with ECC protection ❏ Four 44-pin PLCC ROM sockets (organized as two banks of 32 bits) ❏ 128KB SRAM (with optional battery backup) ❏ Status LEDs for FAIL, STAT, RUN, SCON, LAN, +12V (LAN power), SCSI, and VME. ❏ 8K by 8 RAM and time of day clock with battery backup ❏ RESET and ABORT switches ❏ Four 32-bit tick timers for periodic interrupts ❏ Watchdog timer ❏ Eight software interrupts ❏ I/O
– SCSI Bus interface with DMA
– Four serial ports with EIA-232-D buffers with DMA
– Centronics printer port
– Ethernet transceiver interface with DMA ❏ VMEbus interface
– VMEbus system controller functions
– VMEbus interface to local bus (A24/A32, D8/D16/D32 (D8/D16/D32/D64BLT) (BLT = Block Transfer)
– Local bus to VMEbus interface (A16/A24/A32, D8/D16/D32)
– VMEbus interrupter
– VMEbus interrupt handler
– Global CSR for interprocessor communications
– DMA for fast local memory - VMEbus transfers (A16/A24/A32,
D16/D32 (D16/D32/D64BLT)