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Mixeur
Joined: 06 Jan 2005
Posts: 4038
Location: Sochaux, France
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Mixeur
Joined: 06 Jan 2005
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Location: Sochaux, France
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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 Posted: Tue Jul 11, 2006 4:32 pm Post subject: |
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| Mixeur wrote: |
But you are a serious bidder too doccy...
4th on these (or 3rd if I except the buy it now ES), for a DX2ODPR50.
Has it sthg special ?
Another interesting thing, the 2 highest bids have been made by Italian guys. Worldcup euphory effect ? |
You`re right Mixeur, the price for the DX2ODPR50 was
probably too high. But I was searching very long for this
one and now got the chance and.... damn! 
But nevertheless I think it`s a little bit rare.
Worldcup euphory effect ? Hmmm, could be.... 
/Doccy
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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| Posted: Tue Jul 11, 2006 4:41 pm Post subject: |
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Another thing, are the 300MHz-WinChips really fakes?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250005582134
I think it`s possible if they`re remarked 240MHz-Chips and
tested on 300MHz. You know you can sometimes savely overclock
20-30% most CPUs. Has anybody experiences on overclocking WinChips,
are 25% overclocking on that CPUs possible?
Thanks,
Doccy
P.S. I already have a C6-PSME300-GA, if it was remarked it was
done very professionally or even by IDT.
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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| Posted: Tue Jul 11, 2006 5:24 pm Post subject: |
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You`re very probably right because there`s missing a
C6 with 266MHz.... and then a big jump to 300MHz. 
But what if IDT processed also some C6 in 0.25micron
like WinChip2? And if there was a request on marked
for C6 on that time? 
EDIT: Date-code on my WinChip C6-300: W9923 (FV25658 on the back)
On Gennadiy`s W2A`s with 266MHz: V9905C
and 300MHz: V9905C
Maybe not the big evidence but at any cases I`d take off
my hat for the 'relabellers'...
My opinion: NO fake!
/Doccy
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FDIV
Joined: 12 Mar 2006
Posts: 740
Location: Ohio, USA
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| Posted: Wed Jul 12, 2006 12:07 am Post subject: |
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I was indeed second on the sx754  Truth be told I had no idea what it would go for. I thought my bid would be nowhere near the top. It isn't that I think the sx754 is amazingly rare, quite a few collectors have one, but it is quite sought after by myself as well as at least half the active members of this forum. Even the sx753's go for rediculous prices occasionally simply because they are sought after even though many examples exist.
I am seriously bummed though, and not just about the sx754. I got outbid on all but one of the chips I bid on. The last thing I wanted to do was pay shipping all the way from china for one tillamook processor. Arrgh, maybe chipsfans will sell me a few more processors so I am not paying shipping from the far side of the earth for one common (in asia) processor. |
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Mixeur
Joined: 06 Jan 2005
Posts: 4038
Location: Sochaux, France
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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| Posted: Wed Jul 12, 2006 5:44 am Post subject: |
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| Mixeur wrote: |
Try the tooth brush |
Where can I get the Zhong Hua Multicare-Toothpaste? 
Hmmm would be a way but won`t scrap it....
I`ll try to overclock my C6-300, if the
marking is faked I`ll notice if there`s
not much room for more than 300MHz.
Greetz
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Marcin
Joined: 02 Jan 2005
Posts: 8519
Location: Poland
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| Posted: Wed Jul 12, 2006 7:42 am Post subject: |
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| doccybrown wrote: | I`ll try to overclock my C6-300, if the
marking is faked I`ll notice if there`s
not much room for more than 300MHz.
Greetz |
Nice idea. Multiplier in Winchips is blocked ? I don't remember but I hope yes it is
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debs3759
Joined: 18 Jan 2006
Posts: 9477
Location: Northampton, Divided Kingdom
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| Posted: Wed Jul 12, 2006 8:00 am Post subject: |
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I just flicked through an HTML version of the C6 datasheety. There is no mention of the multiplier being locked. It mentions speeds of:
150, 180, 200, 225, 240MHz
However, in another section of the datasheet, it has the following table:
| Code: | Table 1-3. Performance Characteristics
Major Features C6
Clock Multiplier 2x, 3x, 4x
Ratios (vs. Bus 5x
frequency)
Bus Speed (MHz)s 60,66,75
Max Internal Freq 240 MHz |
This indicates that it must be overclockable to 300 (and possibly beyond...), as the 5x multiplier can't produce a speed below 300 (Bus = 60MHz). Also, I only found one mention of the 150MHz, for a 3.3V part, so I would guess it is not a common part...
I expect to have a copy of the original PDF datasheet for the C6 and the Winchip 2 on my site soon, so if anyone needs them you will have access to them soon (I'm just awaiting a very large email full of some datasheets I don't have, and I'll be putting most of them online).
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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Mixeur
Joined: 06 Jan 2005
Posts: 4038
Location: Sochaux, France
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pinkie
Joined: 17 Sep 2005
Posts: 971
Location: Shenzhen,GD,China
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| Posted: Thu Jul 13, 2006 1:28 am Post subject: |
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I have the C6 datasheet , But it's a early version(Mar 1998).
Please PM me your email address if anyone want it.
Thanks,
Yan
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