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Single Expansion
PAL & PAL Jr
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
Photos
front side
back side
Vintage Advert
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