100MHz fsb mod w/ 366MHz MMC2 P-II and 600e?

Older ThinkPads.. from the 600, the 7xx, the iSeries, 300, 500, the Transnote and, of course, the 701
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Thieriot
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100MHz fsb mod w/ 366MHz MMC2 P-II and 600e?

#1 Post by Thieriot » Tue Mar 20, 2007 3:00 pm

Hi, I'm new to this forum and i was wondering if i would be able to use that pin mod in the official upgrade sticky to change the fsb to 100MHz, while keeping the Pentium II chip, as this would give me a 550MHz CPU w/o having to buy a P-III.

In other words, what issues would i have to deal with to make this work? i.e. heat, pci clocks going out of spec, etc.

Thanks
Mike
TP 600e 2645-4AU
40GB HDD
366MHz P-II MMC2

cmarti
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Re: 100MHz fsb mod w/ 366MHz MMC2 P-II and 600e?

#2 Post by cmarti » Tue Mar 20, 2007 3:59 pm

Thieriot wrote:Hi, I'm new to this forum and i was wondering if i would be able to use that pin mod in the official upgrade sticky to change the fsb to 100MHz, while keeping the Pentium II chip, as this would give me a 550MHz CPU w/o having to buy a P-III.
It simply won"t work, did you read this thread?

IBM Thinkpad 600E bios mod for processor update

You will need a PIII they are easy to find and cheap on ebay.
X32/2.0GHZ/2GB/ENGENIUS EMP-8602+S 600mw mini pci/WD 250GB
X60/1.83GHZ/2GB/Atheros/7K100

Stargate199
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#3 Post by Stargate199 » Tue Mar 20, 2007 8:05 pm

The MMC-2 PII CPUs will simply not go to 100MHz FSB. They were designed only to run at 66 Mhz.
I have finally rejoined the dark side.
ThinkPad T450s, Core i7 5600u, 12GB RAM, Samsung 850 EVO 500GB SSD.
Previous ThinkPads: T41, T21, 600E

cmarti
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#4 Post by cmarti » Tue Mar 20, 2007 9:30 pm

X32/2.0GHZ/2GB/ENGENIUS EMP-8602+S 600mw mini pci/WD 250GB
X60/1.83GHZ/2GB/Atheros/7K100

unrortit
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#5 Post by unrortit » Tue Apr 24, 2007 4:14 pm

it will only post @550+not go further
conversely it will run ok with a modded(depending on quality) p11 300 cpu to 450/100 speeds,no bios mods needed
don't waste you time with 366 cpu because i tried on a few
333 maybe,maybe not.
to modify the p11 cpu to run 100 fsb you need to look on the pin side of the mmc2 cpu ,approx half way you will see r71+r73
resistor locations,66fsb=r73,100fsb=r71
swapping the resistor from r73 to r71 location will do the trick :wink:
thinkpad 765*@200/nt,95,98,2k,me,xp
thinkpad 390x@850/nt,98,2k,me,2k,2k3,xp
thinkpad 600 @366/nt,95,98,2k,me,xp
thinkpad 600e@918/nt,95,98,2k,me,xp
thinkpad 600x@850/nt,95,98,2k,me,xp,vista
eserver 8x900xeon/nt,2k,me,2k3,xp,l'horn.
or linuxem all

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