Manufacturer
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
  • 8 MB RAM card (Garganturam) and hard disk controller offered as an option for the Zorro I slots
  • 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 FastRAM on the backplane 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
Byte by Byte PAL & PAL Jr -  front side
front side
Byte by Byte PAL & PAL Jr -  back side
back side

Advert PAL (US)
1986-07

Advert PAL (US)
1986-09

Advert (US)
1986-11

Advert (US)
1987-01

Advert PAL Jr. (US)
1987-05

Advert PAL Jr. (US)
1987-07