Amiga Hardware Database Expansion cards



PAL & PAL Jr Photo
Company
Byte by Byte, USA
 Date
1986 & 1987
 Amiga
A1000
 Interface
side expansion port
 
    Zorro I expansion chassis
  • PAL:
    • 5× Zorro I slots
    • 3× 5.25" drive bays
    • internal power supply
  • PAL Jr:
    • 2× Zorro I slots
    • 1× 5.25" drive bay
    • 90 Watt internal power supply
  • the backplane, RAM and HD controller cards are based on Commodore Amiga reference designs
  • the Zorro slots are buffered and support DMA cards
  • 1 MB RAM on board - 32 256k×1 DIPs
  • battery backed up clock
  • connects to the A1000 side expansion port
  • sits on top of the A1000
  • the Amiga power cord must be plugged into the PAL / PAL Jr, so it can control the power up sequence
    SCSI / ST-506 controller card
  • electrically identical to the Commodore A2090 controller card, except for the SCSI part, which was not completely finished at the time
  • uses DMA transfers
  • does not support the RDB standard
  • does not autoboot
  • 50 pin internal SCSI connector
  • DB25 external connector
    optional RAM card - Garganturam
  • eight 30 pin SIMM sockets for up to 8 MB RAM
  • does not conflict with the onboard 1 MB RAM
  • accepts 256 kB or 1 MB SIMMs in pairs
  • supported configurations are 0.5, 1, 1.5, 2, 4 or 8 MB
  • autoconfiguring

    Photo
    Byte by Byte PAL & PAL Jr -  front side
    front side

    Byte by Byte PAL & PAL Jr -  back side
    back side




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