Supra Corporation: SupraDrive 4x4
Connection: Seitlicher Expansion Slot

Image showing the SupraDrive 4x4 attached to the A1000
Image showing the SupraDrive 4x4 attached to the A1000

Image showing the controller PCB with clock
Image showing the controller PCB with clock

Image showing the rear of the controller PCB
Image showing the rear of the controller PCB

Image showing the RAM PCB
Image showing the RAM PCB

Image showing the controller and RAM PCB sandwiched together
Image showing the controller and RAM PCB sandwiched together

Image showing opposite side of controller and RAM PCB sandwiched together
Image showing opposite side of controller and RAM PCB sandwiched together

Image showing inside the hard disk unit
Image showing inside the hard disk unit

Image showing the rear of the hard disk unit
Image showing the rear of the hard disk unit

Image showing the hard disk unit and controller
Image showing the hard disk unit and controller

Hi Res Version of SupraDrive attached to A1000 - 88K
Hi Res Version of Controller PCB - 203K
Hi Res Version of Controller PCB Rear - 165K
Hi Res Version of RAM PCB - 278K
Hi Res Version of the sandwich - 58K
Hi Res Version of the opposite side - 51K
Hi Res Version of inside the HD unit - 102K
Hi Res Version of HD & Controller unit rear - 71K
Hi Res Version of HD & Controller unit - 67K

The SupraDrive 4x4 is a very similar device to the SupraDrive SCSI but is intended for use with the A1000. It consists of two units, the first attaches to the side expansion slot of the A1000 and contains the controller, clock and the RAM board. The second unit attaches to the first via a ribbon cable and actually contains the hard disk. The second unit also contains a power supply (110/220V) and requires its own power source. The hard drive itself may not be a true SCSI hard drive, but possibly one of the older ST/MFM/RLL drives. By default the system was not shipped with a clock battery, so in order for the clock to work, one needed to be fitted. The hard drive does not support auto-booting.

Contributions to this page by:
Daniel Kraus


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