Commodore, USA
side expansion port
Autoconfig ID
514 / 2,3,10
    DMA SCSI and XT IDE controller
  • Western Digital 33C93
  • both SCSI and XT IDE mode can work simultaneously
  • autoboot ROM - autobooting requires at least Kickstart 1.3
  • autoboot disable switch
  • time-out switch for drives which spin up slower than 30 seconds
  • RDB compatible
  • 50 pin internal SCSI header
  • internal 40 pin XT IDE header (8 bit only)
  • DB25 external SCSI connector
  • supported by Linux
  • A-Max II driver (scsi.amhd)
  • sixteen DIP sockets accept 0.5, 1 or 2 MB RAM
  • needs 256k×4 DIPs, 120 ns or faster
  • place for a 3.5" hard disk inside the case
  • hard disk activity LED - it can be toggled by jumper to show SCSI or XT-IDE activity
  • connects to the side expansion port, no passthrough connector
  • external power supply - turns on automatically when the A500 is powered up
    DIP switch settings
    switch 1 -autoboot ROM: ON - enable
    switch 2 -LUN: ON - enable
    switch 3 -time-out: ON - enable long wait period for drive
    switch 4 -reserved
Commodore A590 - PCB front side
PCB, front side
Commodore A590 - Case front side
Case, front side
Commodore A590 - Case left side
Case, left side
Commodore A590 - Case rear side
Case, rear side
Commodore A590 - Case rear side
Case, rear side
Commodore A590 - Case opened top side
Case opened, top side
Commodore A590 - PCB back side
PCB, back side

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