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Article #171

Re: SOS. Unknown PCI device

#171
From: Dave Platt
Date: Wed, 04 Nov 1998 00:00
39 lines
2652 bytes
>Fco Javier Pulido Vaquero wrote:

>> Who can help me?

>> - Processor: AMD K6-2 300 Mhz
>> - RAM: SDRAM 128 Mbytes (2 modules DIMM 64 Mbytes)
>> - Intel i430TX PCI chipset
>> - Supports Pentium 75-300 Mhz CPUs with ZIF socket, including
>>     Pentium P54C and P55C (MMX), Cyrix/IBM 6X86/6x86L/6x86MX (M2),
>>     IDT C6, and AMD K5/K6 CPUs.
>> - Chipset (Socket 7, intel 82371AB, intel 82439TX)

Whups.  Just noticed something which may or may not be significant.

The K6-2-300 CPU requires a 2.2-volt core voltage supply.  This
voltage may or may not be available on your motherboard - I can't tell
based on what you report.  The K5 CPUs use 3.4 volts, while the K6
uses 3.2 volts (K6-PR233), 2.9 volts (K6-166, K6-200), or 2.2 volts
(K6-233, -266, and -300).

Since your note doesn't say specifically that the K6-2 is supported by
the motherboard, I suspect that there's a chance that the MB might not
have a 2.2-volt dual-plane power supply.  If this is the case, and if
you've set the voltage-regulator jumpers based on the documentation
for an older K6 processor, you may very well be running your K6-2 at a
higher voltage than it is rated for.  This might result in
overheating, intermittent operation, crashes, chip failure or damage,
and/or the collapse of the economy of a major Asian country.

You might want to check the AMD web site and confirm that your
motherboard is on their "supported" list.  If it isn't, you may need
to either switch processors, or switch motherboards (FWIW, I like my
ASUS P5A with the K6-2-300).

-- 
Dave Platt                                        dplatt@feghoot.ml.org
Visit the Jade Warrior home page:   http://feghoot.ml.org/jade-warrior/
  I do _not_ wish to receive unsolicited commercial email, and I will
     boycott any company which has the gall to send me such ads!
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From: dplatt@feghoot.ml.org (Dave Platt)
Subject: Re: SOS. Unknown PCI device
Date: 1998/11/04
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