72-pin standard SIMM socket for memory expansion by up to 128Mb in addition to the memory already installed on the Blizzard Turbo Board.

Transmission rates up to 7Mb/s asynchronous and up to 10 Mb/s synchronous on the SCSI bus.

Fast SCSI-II DMA Controller for the Blizzard 1230-IV or Blizzard 1260 Turbo Boards.

The headline specifications are listed below: The manual proudly claims that it will “set new performance standards in its class”. In the mid 90’s these cards were pretty cutting edge and offered Amiga 1200 owners some impressive features. The large white area is insulating material to prevent short-circuits. Any additional input will greatly be appreciated.View of the underside of the board. The avionics people are Universal avionics, so that is the correct source for information, but they offer no more than what we have all, already read. I do not have access to that disk, as its owner, will not let it out of his possession (and rightly so, I suppose). We do know, that the hardware and software on the airplane, do in fact work, as, The 'magic old disk' was used to update the database a month or so ago. The airplane owner can afford it, but I am a computer guy who thinks that is absurd, and it presented a personal challenge, to resolve.

While that is a good solution, Cessna is willing to do it for the 'discounted price of $12,000.00, more or less'. Also, Cessna does have a solution, but it involves changing the zip disk to a usb interface. I did check the drive (used theirs on my pc, and others in their device), with same results.

My hope was there might be some 'tribal knowledge' that was not documented in any of the public, commonly looked to, sources for information. I also have read all the public articles that were kindly pointed out to me, before posting here. I appreciate the answers put forth, however, as Dave Baldwin has pointed out in the last response, it is not as simple as 'you need a 100MB Zip disk formatted as FAT (Not FAT16 or 32) with no data on before copying the update file to it.'.

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