09-11-13 01:37 BOB KLAHN wrote to ED VANCE about Backup software

 BK> {at}MSGID: 
 BK>  My original desktop was a 486sx25 with 4mb ram and a 165mb
 BK> hard
 BK>  drive, IIRC. Over the years I had that I slowly upgraded it to
 BK> a
 BK>  486DX4-100 and maybe 2Gig HD. The ultimate upgrade was the
 BK> Vesa
 BK>  Local Bus motherboard. After that I replaced the individual
 BK>  cards as I found them at a price I could afford. Eventually I
 BK>  had something lik 32MB ram and all my cards VLB.

Bob,

When my first 486VL-BUS was built I asked for a Orchid VL-BUS
Video board because of my reading of it in Computer Shopper Magazine..
Some years later I got a SIIG VLB Controller Card and put it in.
*******snip******
 BK>  Then Intel came out with upgrades for the CPU. I finally got a
 BK>  pentium overdrive chip, which ran at 83MHZ, but was 32 bit and
 BK>  beat the heck out of the 486DX100. Then I could watch live
 BK>  streaming video the size of a large postage stamp. Wow!

16MB of RAM was $540 USD in 1994, but later when the price lowered
for TAM I got another 4 SIMMs and now have 32MB RAM.
*****snip****
 BK>  While looking for something else I found I had an old Intel
 BK>  Overdrive DX20DP50 cpu in my stash. Don't even recall where I
 BK>  got it, or know if it's any good. If you are interested you
 BK> can
 BK>  have it.

Thank You but I'll pass. 
I still have the 486DX33 that came in the box but later was given
a 486DX2-66 which is still in the box.
I kept the 33 as a spare just in case........

 BK>  I also found a reference work online that dates back to that
 BK>  time,

 BK>  www.philipstorr.id.au/pcbook/book5/486.htm

Thanks for recommending the link.
I collect all the info I can about anything that interests me.

 BK>  There were a series of those upgrade chips, and this may be
 BK> one
 BK>  of the early ones. If it's any good it should work with a VLB
 BK>  board.

It probably would.
A file I have says the Shuttle HOT409 can take two styles of
Pentium Overdrive CPUs up to 66Mc/s - P24D and P24T .

Wasn't it the P66er that couldn't ADD 2+2??????????

Or was that the P60? Yeah I think that was the critter that
made the Headlines that Intel didn't want to read.

... Thomas Edison invented the "Light Emitting Resistor".
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