AMD 486 66mhz CPU w/ Linux?

AMD 486 66mhz CPU w/ Linux?

Post by P. Marshall Heringt » Fri, 08 Jul 1994 01:04:10



Please forgive me if this FAQ food, but does anyone know or have any
experiance with Linux and the AMD 486 DX2 66mhz CPU?  I am considering
upgrading my motherboard to this CPU, and I want to be sure I can
still use Linux with it.  At less than $300 U.S., it seem like a good
way to up the performance of my machine, with out the $600 + for the
same Intel part.

Thanks,
 Marshall Herington
--
Peter Marshall Herington  # "Sometimes you're the winshield,

                          #  -Dire Straits, 1991
Georgia Institute of Technology, Atlanta Georgia, 30332

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Robert Ashcro » Fri, 08 Jul 1994 01:52:23




Quote:>Please forgive me if this FAQ food, but does anyone know or have any
>experiance with Linux and the AMD 486 DX2 66mhz CPU?  I am considering
>upgrading my motherboard to this CPU, and I want to be sure I can
>still use Linux with it.  At less than $300 U.S., it seem like a good
>way to up the performance of my machine, with out the $600 + for the
>same Intel part.

The AMD works no problem, I use it.

On the other hand if you are paying 600 for a Intel 486/66 then you
are getting ripped off.  I've seen them around here for less than $300,
I think.

RNA

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Michael McDonne » Fri, 08 Jul 1994 04:11:11



: Please forgive me if this FAQ food, but does anyone know or have any
: experiance with Linux and the AMD 486 DX2 66mhz CPU?  I am considering
: upgrading my motherboard to this CPU, and I want to be sure I can
: still use Linux with it.  At less than $300 U.S., it seem like a good
: way to up the performance of my machine, with out the $600 + for the
: same Intel part.

I have an AMD 486DX2-66... no problems.  It works fine.  

--
==============================================
Shine On!                    Michael McDonnell

http://gpu.srv.ualberta.ca/~mmcdonne/home.html
==============================================

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Tim Spring » Fri, 08 Jul 1994 17:56:30




>: Please forgive me if this FAQ food, but does anyone know or have any
>: experiance with Linux and the AMD 486 DX2 66mhz CPU?  I am considering
>: upgrading my motherboard to this CPU, and I want to be sure I can
>: still use Linux with it.  At less than $300 U.S., it seem like a good
>: way to up the performance of my machine, with out the $600 + for the
>: same Intel part.

>I have an AMD 486DX2-66... no problems.  It works fine.  

I have also an AMD 486DX2-66... with problems. It fails to run ghostscript
both under DOS and LINUX. Furthermore I get an FP error running one of the
pgplot demo's (fortran graphics routine package) which is probably related
to the ghostscript problems. Apart from that it works great!

I would be interested in hearing from others with the AMD 486/66 if they
are succesfull in running ghostscript!

Let's hear it boys (and girls of course)

Tim.

--

tel:    ++15 783831
fax:    ++15 783444

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Kevin B. Flu » Sat, 09 Jul 1994 06:36:32



>I have also an AMD 486DX2-66... with problems. It fails to run ghostscript
>both under DOS and LINUX. Furthermore I get an FP error running one of the
>pgplot demo's (fortran graphics routine package) which is probably related
>to the ghostscript problems. Apart from that it works great!
>I would be interested in hearing from others with the AMD 486/66 if they
>are succesfull in running ghostscript!

I have heard the same thing from many people.  The AMD chips don't seem to
properly emulate some of the Intel functions.  They can't run Ghostscript
under DOS, Windows or Linux.  I had heard that it was only in some of the
EARLY 40 MHz 486 AMD chips, but since the 66 is fairly new, I guess it must
not have been fixed.

Of course, one has to wonder if AMD chips don't run Ghostscript properly,
what else don't they run properly?  I guess maybe I'll stick to Intel.  

Bummer.  I hear AMD chips are cheaper AND faster than their Intel
counterparts.  

-- Kevin

------------------------------------------------------------
Kevin Fluet                WorldGate Public Access Internet


 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Robert Ashcro » Sat, 09 Jul 1994 07:57:37





>>I have also an AMD 486DX2-66... with problems. It fails to run ghostscript
>>both under DOS and LINUX. Furthermore I get an FP error running one of the
>>pgplot demo's (fortran graphics routine package) which is probably related
>>to the ghostscript problems. Apart from that it works great!

>>I would be interested in hearing from others with the AMD 486/66 if they
>>are succesfull in running ghostscript!

>I have heard the same thing from many people.  The AMD chips don't seem to
>properly emulate some of the Intel functions.  They can't run Ghostscript
>under DOS, Windows or Linux.  I had heard that it was only in some of the
>EARLY 40 MHz 486 AMD chips, but since the 66 is fairly new, I guess it must
>not have been fixed.

>Of course, one has to wonder if AMD chips don't run Ghostscript properly,
>what else don't they run properly?  I guess maybe I'll stick to Intel.  

>Bummer.  I hear AMD chips are cheaper AND faster than their Intel
>counterparts.  

I bought an AMD 66 chip in March.  I've had no problems with it, including
in applications such as Ghostview which use Ghostscript.

RNA

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Dan P » Sat, 09 Jul 1994 19:41:24



Quote:>>Of course, one has to wonder if AMD chips don't run Ghostscript properly,
>>what else don't they run properly?  I guess maybe I'll stick to Intel.  

>>Bummer.  I hear AMD chips are cheaper AND faster than their Intel
>>counterparts.  

Well, if you want to sell broken chips, you have to make them faster and
cheaper than the good ones :-)

Quote:

>I bought an AMD 66 chip in March.  I've had no problems with it, including
>in applications such as Ghostview which use Ghostscript.

So, it seems that buying AMD is a kind of lottery.
Do they replace (free of charge) the bad ones with good ones?

Dan
--
Dan Pop
CERN, CN Division

Mail:  CERN - PPE, Bat. 31 R-004, CH-1211 Geneve 23, Switzerland

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Frank W. ten Wol » Sun, 10 Jul 1994 21:27:20



>I bought an AMD 66 chip in March.  I've had no problems with it, including
>in applications such as Ghostview which use Ghostscript.
>RNA

I bought a board with the AMD486/66 in May in the Netherlands. Have not
had any problems so far. Ghostview and ghostscript are running fine. So
is Linux and FreeBSD.  I can remember a discussion some time ago about
early versions of the AMD 486.  As I recall the chips with the
Microsloth Winders Compatibility Logo on it are OK.  Mine has such a
Logo on the chip.

Hope this helps,

Regards,
Frank
--
=============================================================================
= Frank W. ten Wolde (PA3FMT)                                               =

=============================================================================

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Dan Wild » Wed, 13 Jul 1994 13:45:51




>I would be interested in hearing from others with the AMD 486/66 if they
>are succesfull in running ghostscript!

I have an AMD 486/66 about 6 months (at least) old, and it runs
ghostscript like a champ!  I'd send the mask number, but I have a
cooler clipped on and it might break if I pried it off.  The chip
is old enough that it still had the warning about not operating without
a cooler, printed on it.  The newer ones don't.

---
Dan Wilder

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Dan Wild » Wed, 13 Jul 1994 13:48:37



Quote:>I can remember a discussion some time ago about
>early versions of the AMD 486.  As I recall the chips with the
>Microsloth Winders Compatibility Logo on it are OK.  Mine has such a
>Logo on the chip.

Re: my prior post, additional information.  My AMD 486-66 that works
fine with ghostscript also has the Microsoft seal of approval on it.

---
Dan Wilder

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Hans-Christoph Rohla » Thu, 14 Jul 1994 01:51:38



: I bought a board with the AMD486/66 in May in the Netherlands. Have not
: had any problems so far. Ghostview and ghostscript are running fine. So
: is Linux and FreeBSD.  I can remember a discussion some time ago about
: early versions of the AMD 486.  As I recall the chips with the
: Microsloth Winders Compatibility Logo on it are OK.  Mine has such a
: Logo on the chip.

Mine had one and didn't work with gs. My vendor changed the chip to i486...

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by l.. » Thu, 14 Jul 1994 02:17:27



: >>Of course, one has to wonder if AMD chips don't run Ghostscript properly,
: >>what else don't they run properly?  I guess maybe I'll stick to Intel.  
: >>
: >>Bummer.  I hear AMD chips are cheaper AND faster than their Intel
: >>counterparts.  

: Well, if you want to sell broken chips, you have to make them faster and
: cheaper than the good ones :-)
: >
: >I bought an AMD 66 chip in March.  I've had no problems with it, including
: >in applications such as Ghostview which use Ghostscript.

: So, it seems that buying AMD is a kind of lottery.
: Do they replace (free of charge) the bad ones with good ones?

I am a new and proud owner of an AMD-2/66 chip.

I haven't experienced any problems running gs or anything else, and this
cheap has the new, AMD-compiled microcode, and is about 2% faster than the Intel
2/66.

This new chip kicks ass, and it was also good value at $438 Canadian (mother
board + cache ram included).

-----------------------------------------------------------------------------
Keyboard error: keyboard not detected. Press F1 to continue
-----------------------------------------------------------------------------

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Brett Re » Fri, 15 Jul 1994 16:39:53





>>: Please forgive me if this FAQ food, but does anyone know or have any
>>: experiance with Linux and the AMD 486 DX2 66mhz CPU?  I am considering
>>: upgrading my motherboard to this CPU, and I want to be sure I can
>>: still use Linux with it.  At less than $300 U.S., it seem like a good

>>I have an AMD 486DX2-66... no problems.  It works fine.  

>I have also an AMD 486DX2-66... with problems. It fails to run ghostscript
>both under DOS and LINUX. Furthermore I get an FP error running one of the
>pgplot demo's (fortran graphics routine package) which is probably related
>to the ghostscript problems. Apart from that it works great!
>I would be interested in hearing from others with the AMD 486/66 if they
>are succesfull in running ghostscript!

Yes, I have an AMD 486DX2-66.  I have no problems running ghostscript
or floating point intensive applications.  As this seems to be a known
problem I would suggest that people return any defective chips to their
supplier.  I am running a heatsink with cooling fan, could the fp problem
be heat related?

>Let's hear it boys (and girls of course)
>Tim.
>--

>tel:    ++15 783831
>fax:    ++15 783444

--

cheers,
brett.

+----------------------------------------------------------------------------+
|             __o                Brett Rees                                  |

|           (_)/ (_)    /                                                    |
|        -------------/                                                      |
|                                                                            |
+----------------------------------------------------------------------------+

 
 
 

AMD 486 66mhz CPU w/ Linux?

Post by Matthew Gra » Sat, 16 Jul 1994 21:15:13



: >I can remember a discussion some time ago about
: >early versions of the AMD 486.  As I recall the chips with the
: >Microsloth Winders Compatibility Logo on it are OK.  Mine has such a
: >Logo on the chip.

: Re: my prior post, additional information.  My AMD 486-66 that works
: fine with ghostscript also has the Microsoft seal of approval on it.

My one has the same Microsoft seal.  It really works well with ghostscript.
I am running it with a cooling fan on top to extend its life.  It is great
value for money when it is only slightly dearer than an Intel i486/33 ...

Cheers,

Matthew

--
    _/  _/   __/   _/_/_/ _/_/_/ _/  _/  _/_/  _/  _/     Matthew A. Grant
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  _/  _/  _/_/_/   _/     _/   _/_/_/  _/    _/_/_/   (03) 338-4287

 
 
 

1. Diffs between Intel & AMD 486 CPUs

Hi, all!

Someone (few days ago) asks about differences between AMD & Intel
486 processors, and got answer which mean that:
Intel chip has 16k internal cache;
AMD   chip has  8k internal cache.

I mean than that difference are only between Intel & AMD DX4 processors,
DX2 processors both from Intel & AMD has 8k internal cache.

Info from WWW sites
http://www.amd.com/html/products/PCD/overview.html
http://www.intel.com/procs/iarch/iaover/i486.html
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 |     .  _.     . . | With best regards, Alexey S. Mazurov.                  |

 |  \/ | \ \   / | | | Network management dept., Moscow State University,     |
 |  /\ |  \ \ / /| | | Moscow, Russia.                                        |
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