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Jedi08
Joined: 03 Mar 2007
Posts: 463
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 Posted: Fri Oct 31, 2008 4:40 pm Post subject: Nx586 P80 and P90 with 102 markings |
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| How many with 102 markings out there? I guess these numbers stand for the diff. steppings/revisions!? |
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g0b
Joined: 18 Jul 2006
Posts: 1385
Location: France
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| Posted: Fri Oct 31, 2008 5:11 pm Post subject: |
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If mtx500 is around here, he'd probably tell you more... But you can have a look at his website :
http://www.memotech.franken.de/NexGen/
g0b
_________________
Life is a long lesson in humility |
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mtx500
Joined: 21 Nov 2003
Posts: 117
Location: Nuremberg, Germany
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| Posted: Sun Nov 02, 2008 5:53 pm Post subject: Re: Nx586 P80 and P90 with 102 markings |
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| Jedi08 wrote: | | How many with 102 markings out there? I guess these numbers stand for the diff. steppings/revisions!? |
I don't know how many. I know of three ones showing 102. A quick look into my collection of pictures of the Nx586 shows that the 101 marking is much more common for the version with the small silverish heatspreader.
The marking is built this way:
| Code: | Nx586-xxxx-vvv-ppt-sss
xxxx performance id value (P75, P80, P90, P100, P120)
vvv voltage (ie. 4.0=4V)
pp package type (ie. CP=ceramic PGA)
t temperature (ie. C=commercial)
sss stepping id value |
So yes, it stands for the stepping. What I know is:
201 = D1 stepping
202 = D2 stepping
Existing CPU/FPU steppings: C3/-- (for VLB), D1/B0, D1/B1, E2/C0
"for VLB": that's the one with the small silverish heat spreader.
The E2 stepping is for the 120 MHz Nx586s.
I have collected all pictures of Nx586s I could find. From these, I find the following markings regarding stepping:
small silverish heat spreader:
C3
101
102
big silverish heat spreader:
202
301 (120 MHz)
303 (120 MHz)
brown heat spreader:
202,001
The first number is for the CPU, the second for the FPU.
Note that the Nx586s with the brown heat spreader have a -E/E or -E/D written on it after the speed (e.g. PF110-E/E). I don't know what that means, but it is not the stepping. My Nx586 has no speed marking on the front, but a stamp on the underside that reads "P90 E/E". So this E/E stuff existed alread before and is not specific to the brown heat spreader. |
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Jedi08
Joined: 03 Mar 2007
Posts: 463
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| Posted: Mon Nov 03, 2008 4:59 am Post subject: |
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Thank you Herbert.
Is your website on Nexgen still work in progress or halted?
Best regards from Oberfranken,
Christian |
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mtx500
Joined: 21 Nov 2003
Posts: 117
Location: Nuremberg, Germany
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| Posted: Mon Nov 03, 2008 3:29 pm Post subject: |
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| Jedi08 wrote: | | Is your website on Nexgen still work in progress or halted? |
Christian, I have much more material on my hard disk that I could produce HTML pages of. But my two children, my wife, my new house and my job keep me very busy. So, I still plan to improve it, but it may take a long time. |
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