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NEC 133MHz CPU&Chassis Power Board Assy

'help!!' Buffalo (NEC) PC133 no 133Mhz....

By Chandler - usenet poster


HELP pls
Today tested more of my Buffalo P133 NEC chipset
PIII 550E FPGA
Tekram P6Pro-Au
Via 694x cheapset!!...
Bios 1.01
Windows 98 2nd Edition.

Problem:
1) Running win98 2nd edi. at 550Mhz, and 133 MHz DRAM (Host +33)always
bluescreen, hang in middle of using, etc, etc.
2) But running at 550Mhz at 100 MHz is ok and stable.
3)Also, CPU o/c to 733Mhz at 133 Mhz DRAM is BAD, but keep at 733 Mhz but
tune down DRAM speed to 100 Mhz (Host -33Mhz) is also very good, no problem.

Question:
Why can't my PC133 run at 133Mhz????
Could it be due to Windows 98 2nd Version, or is it because my ram is just
FUCKED...? It is 99% not remark ram, and I thought Buffalo is good brand
shit shit...

HELP HELP
Kelvin

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Solution #1
posted on Aug 01, 2007
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M0nica L

M0nica L - usenet poster

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Rating: 0%, 0 votes
It's simply because your PC133 ram cannot be overclocked to 150mhz (host)
or higher (host+33). You should try to test it at 133mhz to see if it works
fine.


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Solution #2
posted on Aug 01, 2007
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Duke

Duke - usenet poster

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
There is no option in Tekram P6Pro-Au to set latency to 3-3-3, only 2,3 or
AUTO

On my case, since I do not have PIII 550E yet, I have tested with a PII-350
found out that when I use 100MHz and RAM speed set at Host+33, computer
hangs at Virus Check line.
However, using 133MHz and chipset feature fail-safe default, computer works
fine. If chipset feature is set to optimised default, computer hangs at
Virus Check line.
At 140MHz, works fine at chipset feature fail-safe default.
At 150MHz, nothing seen on screen. Don't know if CPU problem or RAM problem.

"??p ???? ????" < ...

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Solution #3
posted on Aug 01, 2007
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Pasty

Pasty - usenet poster

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Rating: 0%, 0 votes
u need set the latency to 3-3-3 in timing..

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Solution #4
posted on Aug 01, 2007
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Odud

Odud - usenet poster

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
My config. is as the follows,

P500E
Tekram P6pro-Au
FBS = 150MHz
CPU Speed = 5 x 150
RAM Type = Buffalo PC133 SDRAM w/ WinBond "~-7H" chipset
RAM Speed = both host or host+33 are hangup before ram check!!! Only
host-33 (117MHz)is OK

Besides the possibility of defect of Ram, what would be the other
reason.

Keep in touch

Sent via Deja.com #
Before you buy.

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Solution #5
posted on Aug 01, 2007
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Duke

Duke - usenet poster

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
I have similar problem as yours.

My config. is as the follows,

P500E
Tekram P6pro-Au
FBS = 150MHz
CPU Speed = 5 x 150
RAM Type = Buffalo PC133 SDRAM w/ WinBond "~-7H" chipset
RAM Speed = both host or host+33 are hangup before ram check!!! Only
host-33 (117MHz)is OK

Besides the possibility of defect of Ram, what would be the other
reason.

Sent via Deja.com #
Before you buy.

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Solution #6
posted on Aug 01, 2007
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Reynolds

Reynolds - usenet poster

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
Why don't you take it back to the shop to exchange for a good one? PC133 RAM
that cannot run at 133mhz is definitely defective and deserves for a
replacement.


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