processor

• 68040 @ 40 MHz (1994) or 68060 @ 50 MHz (1995)

modular design

• carrier board
  • holds the CPU-, memory-, SCSI- or I/O boards
  • two ROM sockets for the motherboard ROMs
• CPU board
  • holds the CPU and the optional 2nd level cache
  • only this board has to be replaced in order to use an other CPU
  • max. clock speed is 80 MHz
• memory board
  • four 72 pin SIMM sockets can accept 128 MB RAM
  • supports 4, 8, 16, 32 MB SIMMs
  • burst RAM access
  • mounted vertically on the carrier board
• optional 512 kB 2nd level cache module
• optional Fast SCSI 2 board
  • FAS216 controller IC
  • transfer speed: 7 MB/s asynchronous, 10 MB/s synchronous
  • 50 pin internal header
  • MiniDB50 external connector
  • active bus termination
  • SCSI Direct compatible
  • supported by Linux and NetBSD
• optional I/O board
  • Fast SCSI 2 with the same specs as above
  • 10BaseT Ethernet port, 10 MB/s
  • RS232 serial port, 2 MBaud/s

notes

• may not work with the Retina Z3 graphics board
• cannot map the ROM into fast RAM

came installed in A4000D

[manuals]
[drivers & installation]