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Article #8170

Re: Leading Edge & Other Clones

#8170
From: timothym
Date: Mon, 06 Oct 1986 21:24
41 lines
2449 bytes
In article <1992@homxb.UUCP> gritz@homxb.UUCP (R.SHARPLES) writes:
>
>You should be aware that the Leading Edge Model D is a 4.77mhz design
>which means that it is as slow as an IBM PC or XT.  Compared to anything
>running at 8mhz (like an AT&T, EPSON, numerable clones) a 4.77mhz machine
>is a DOG!  It is the oldest possible technology (like buying single sided 
>floppy drives).  I would strongly recommend getting something with an 8086
>(8mhz) or 8088-2 (4.77 - 8mhz switchable) microprocessor.  The 808x technology
>is already old enough, don't saddle yourself with a dog of a microprocessor.
>
>Russ Sharples
>homxb!gritz

...of articles like this... !FLAME ON!  An AT&T computer ? Which one ? Epson ?

The AT&T PC-6300 uses an 8 MHz 8086 uP. The Compaq Deskpro a 7.14 MHz 8086 uP.
I do not know what the Epson's uP is.

An 8086 running at 4.77 MHz (a Compaq Deskpro in slow mode) is 1.6 times the 
speed of an 8088 at 4.77 MHz (an IBM PC-XT). And even faster when compared at
an 8 MHz clock rate (8 MHz 8086 vs. 8 MHz 8088).


I also read an article in this group where someone wanted to upgrade an AT&T
PC-6300 with an accelerator card. Why? Most cards available have only 8 MHz
or 10 MHz 8086's, with some using 80826's at 8 MHz.

The gains made with the add-on cards are easily swampped by the software over-
head required to keep the I/O happy. A 4.77 MHz 8088 PC I might see, but....

KNOW WHAT MACHINE YOU HAVE BEFORE BUYING ANYTHING ! 

The guy with the 1.2 Meg floppy he's planning to put into a PC with standard
floppy controller... such a deal.

The misinformation to be had in this group is terrible. I wish only the known
facts could be posted, with all the drivel left out. net.micro.etc would then
be of real use.

Flame OFF.... OFF I said.... damn thing anyway....
Technical Details
Message-ID: <1058@tekigm2.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!husc6!panda!genrad!decvax!tektronix!tekgen!tekigm!tekigm2!timothym
References: <243@sdics.UUCP> <504@tikal.UUCP> <1992@homxb.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!husc6!panda!genrad!decvax!tektronix!tekgen!tekigm!tekigm2!timothym
From: timothym@tekigm2.UUCP
Newsgroups: net.micro.pc
Subject: Re: Leading Edge & Other Clones
Message-ID: <1058@tekigm2.UUCP>
Date: Mon, 6-Oct-86 17:24:10 EDT
Article-I.D.: tekigm2.1058
Posted: Mon Oct  6 17:24:10 1986
Date-Received: Tue, 7-Oct-86 23:35:38 EDT
References: <243@sdics.UUCP> <504@tikal.UUCP> <1992@homxb.UUCP>
Reply-To: timothym@tekigm2.UUCP (Timothy D Margeson)
Organization: Tektronix, Inc., Beaverton, OR.
Lines: 40
cc: timothym@tekigm2