8" DSDD disk

[Allison]

>
>Subject: Re: 8" DSDD disk
>   From: "Randy McLaughlin" <cctalk at randy482.com>
>   Date: Sun, 05 Jun 2005 18:12:47 -0500
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>From: "Tony Duell" <ard at p850ug1.demon.co.uk>
>Sent: Sunday, June 05, 2005 4:24 PM
>
>>> I think it's time to get rich quick:
>>>
>>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=74947&item=5205357000&rd=1
>>>
>>> 8" DSDD disk you can buy for $20.00 & $5.00 S&H.
>>>
>>> If anyone has an extra $250.00 I can send them 10 and I'll even throw in 
>>> a
>>> plastic carrying case ;-)
>>
>> [LOoks at the rows of 8" disk boxes sitting behind some nice toys in the
>> corner...]
>>
>> You know, I could sell off some of those spares and actually afford that
>> darn DPF-reading PC you think I should own....
>>
>> -tony
>
>
>Personally I think the basic design of the PC is bad but I've got enough 8" 
>disks that if I could get $20 each I could build a newer better shop to work 
>on my toys I truly love :-}
>
>I've always thought computers should be built to maximize performance, IBM 
>not only appear to have ignored that but built down.  They took a 5mhz brain 
>dead version of a 16 bit chip and ran it on an 8 bit bus @ 4.77mhz and put a 
>RAM limit of 448mb of RAM.  The excuse of running 4.77mhz was for color 
>burst but I never saw a video card that didn't use its own crystal negating 
>the need for the 4.77mhz.  In any case the extra $0.50 it might add to a 
>video board versus slowing down a $3000.00 computer doesn't make any sense 
>any way.
>
>In the 8088/8086 world I like what others did in the S100 world.  They 
>started with the 8088 simply to keep compatible the 8 bit S100 bus, later a 
>16 bit standard allowed for 8086's.  The S100 systems generally ran at the 
>full chip speed (5 or 8 mhz), allowed full 1mb RAM, didn't use 10% of the 
>processor speed to refresh RAM.

Actually a lot of them ran the fastest 8088/6 (12mhz parts) and
had mapping for more than 1meg of ram.  

Generally S100 based 16bit systems ran ahead of PCs for overall 
performance.


Allison