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JAC

Joined: 24 Jul 2005 Posts: 3469
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Posted: Sat Feb 02, 2008 5:39 pm Post subject: CPUSTACK moved... |
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oops.. forgot to mention this ..
I moved my site www cpustack.net
to http://cpustack.enci.com
going to the old address brings up a page put in by the registrar with a popup.
Dont go there. |
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hugo929

Joined: 27 Oct 2006 Posts: 6163 Location: China
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Posted: Sat Feb 02, 2008 5:59 pm Post subject: |
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I remember I opened cpustack.enci.com before while did some searching and just take it as one of your mirror site.  _________________ My vintage CPU collection:www.cpumuseum.com
Chinese Forum: http://www.cpumuseum.com/forum |
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hugo929

Joined: 27 Oct 2006 Posts: 6163 Location: China
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JAC

Joined: 24 Jul 2005 Posts: 3469
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Posted: Sat Feb 02, 2008 6:50 pm Post subject: |
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That is not an a very long difference. I am sure I have others with longer. In production pentiums it is common to see 10, 20 or longer weeks from die to final chip.
here is a longer gap..
26 week gap
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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hugo929

Joined: 27 Oct 2006 Posts: 6163 Location: China
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Posted: Sat Feb 02, 2008 7:27 pm Post subject: |
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accoring JAC's 287, the SX837 has both 409 on its top and bottom. so the difference is ZERO.
Meanwhile ths SX836 has 406 and 408 respectively, so this is in not the normal case since the bottom one usually should be equal or order than the top one. _________________ My vintage CPU collection:www.cpumuseum.com
Chinese Forum: http://www.cpumuseum.com/forum |
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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Posted: Sat Feb 02, 2008 7:36 pm Post subject: |
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| hugo929 wrote: | accoring JAC's 287, the SX837 has both 409 on its top and bottom. so the difference is ZERO.
Meanwhile ths SX836 has 406 and 408 respectively, so this is in not the normal case since the bottom one usually should be equal or order than the top one. |
the die code is 9351 though _________________ New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information. |
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JAC

Joined: 24 Jul 2005 Posts: 3469
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Posted: Sun Feb 03, 2008 8:35 am Post subject: |
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| CPUShack wrote: | 26 week?
looks like 9 to me ( 352->409 ) |
oops, in my haste I misread it as week 35. |
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hugo929

Joined: 27 Oct 2006 Posts: 6163 Location: China
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gshv

Joined: 01 Feb 2003 Posts: 7898 Location: Fairfax, VA USA
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Posted: Sun Feb 03, 2008 10:13 am Post subject: |
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I looked only at a few Pentium 60/66 chips, and it looks like the 3-digit code at the bottom ("408" and "408" for the chips which pictures were posted in the thread) is the same or newer than the date code on the top. I'm not sure that the first three digits of the first number on the bottom always represent correct datecode. For example, I have a Pentium 60 with datecode on the top "333" and the first three digits on the bottom "533".
Gennadiy |
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