Bubble Memory

From: George Rachor <george_at_racsys.rt.rain.com>
Date: Wed Jan 14 13:26:16 1998

For a time there was an Apple ][ Bubble memory controller which included
disk software. I sure wish I could still find one of these.
I remember this was marketed for industrial applications in factory
environments.

George Rachor

=========================================================
George L. Rachor george_at_racsys.rt.rain.com
Beaverton, Oregon

On Wed, 14 Jan 1998, Allison J Parent wrote:

>
> <Yeah, I remember bubble memory. It seems like Fujitsu actually got
> <to work halfway decent. Despite the cost and speed limitations,
>
> Intel manufactured 1mb and 4mb parts with control chips. The BPK72
> was the 1mb part on a card with all the control to make a 128k storage
> system. I have two, bought in '85. they still owrk and have proven quite
> rugged too.
>
> <instrument controllers. SLow, expensive, but for awhile it was about
> <all you could use for mass storage in certain hostile environments.
>
> I used them in cpm based systems and they are faster than floppy on
> average. The byte transfer rate is slower but the seek time is real
> fast. They work well. AS to cost they compared well with floppy
> systems of the time considering they were able to take shock and
> vibration.
>
> Allison
>
>
Received on Wed Jan 14 1998 - 13:26:16 GMT