Bill Campbell wrote:
>
>> Anyway, 5 and 10 MB HDs were the common PC drives back in the 80s and
>> 90s. 20MB was a *big* one. Seek (average) of > 60ms was usual and fast
>> ones were less than that.
>
> The first HDs that Radio Shack sold for their Model 16s were 8in
> 8MB units and the primary HD which came with the disk controller
> sold for about $4,500.00.
Which makes an interesting contrast to the 8 GB micro-sd cards (about
$45?) that a typical phone will take these days...
> This was replaced with 5.25in 12MB
> drives in January 1983 at the same price, about the same time
> that the Model 16s were replaced by the Model 6000s (I learned
> Xenix on these boxes). If I remember correctly, Xenix came on 3
> 8in 1.2MB floppies plus another for the Development System which
> had things like the ``vi'' editor and *roff text processing tools.
Once upon a time, these were the biggest installed base of any unix-like
system. I guess we had a lot of patience back then - and not much data.
--
Les Mikesell
lesmikesell at gmail.com