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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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 Posted: Fri Dec 03, 2010 4:45 am Post subject: |
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did initial testing of my blank pro with die markings of
16021190AC
A5502456AA
MALAY AS
came up as sA0 stepping with L2 cache of 256k
of the known Pros with that combination it leaves
Q0858 180
Q0859 200
Q0860 180
Q0873 180
Q0874 200
Q0910 180
SY012 180
SY013 200
other possibilities but the stepping is unknown are Q0861 & Q908
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Fri Dec 03, 2010 10:19 pm Post subject: |
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thought i might be able to determine whether the blank was a 180 or 200 by seeing what maximum speed it could run at and compare to SY012 180 & SY013 200
results as follows
SY012 180 Pro
3.5 x 60 = 210 cold & warm boot
3.5 x 66 = 233 cold & warm boot
4.0 x 60 = 240 cold & warm boot
4.0 x 66 = 266 no boot (cold or warm)
SY013 200 Pro
3.5 x 60 = 210 cold & warm boot
3.5 x 66 = 233 cold & warm boot
4.0 x 60 = 240 cold & warm boot
4.0 x 66 = 266 no boot (cold or warm)
Blank Pro
3.5 x 60 = 210 cold & warm boot
3.5 x 66 = 233 cold & warm boot
4.0 x 60 = 240 cold & warm boot
4.0 x 66 = 266 cold boot & then freeze / no warm boot
what this all tell us.. absolutely nothing 
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There are 10 types of people in this world:
those who understand binary and those who don't. ~Author Unknown
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Chook
Joined: 29 Oct 2008
Posts: 2250
Location: Australia
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| Posted: Sat Dec 04, 2010 7:09 am Post subject: |
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Well, it told us that Pros seem to have no problem running at 233 and 240. Have you tried running it for a long time at 233/240?
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General failure reading disk in drive A
Who's General Failure and why is he reading my disk? |
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Tetrium
Joined: 25 Apr 2010
Posts: 466
Location: The Netherlands
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| Posted: Sat Dec 04, 2010 7:46 am Post subject: |
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| Chook wrote: | | Well, it told us that Pros seem to have no problem running at 233 and 240. Have you tried running it for a long time at 233/240? |
I've one tried running a Pro 200 1M at 233Mhz and it worked. It did become fairly hot though so you might want to figure out a way to keep it cool. Socket 8 coolers aren't really easy to come by these days. |
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Sat Dec 04, 2010 7:49 am Post subject: |
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| Chook wrote: | | Well, it told us that Pros seem to have no problem running at 233 and 240. Have you tried running it for a long time at 233/240? |
i didn't this time.. i was just booting to DOS with heat-sink/fan sitting loosely on top.
_________________
There are 10 types of people in this world:
those who understand binary and those who don't. ~Author Unknown
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Mon Dec 06, 2010 11:51 pm Post subject: |
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| hugo929 wrote: | thx stu for your research
its too complicated to me |
no problems mate.. was also doing research for myself.. just thought i would share it.
I have never seen, but i wonder if Intel made a University kit containing a blank Pro like they did with the Pentium 1
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There are 10 types of people in this world:
those who understand binary and those who don't. ~Author Unknown
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Tue Jul 12, 2011 11:01 pm Post subject: |
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picked up another blank Pro 
by the die FPO code, I suspect this one will be a sB1 stepping with 512k cache
when I finally get it to test it.. I will be able to confirm my guess
but this will still leave 7 sSpec/qSpecs to choose from
spied it in this lot
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There are 10 types of people in this world:
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