🚀 go-pugleaf

AFAIK the voltage regulator that supports the dual voltage that MMX
needs is required on the MO BO. There are some who claim to be running
MMX without the regulator, but I question whether they are actually
getting MMX performance.  Not all 680's have it.  Mine doesn't.
Without a powerleap adapter, or some such, You can only go to 200
without mmx, which is what I did.  Problem:  non-mmx  chips are now
very difficult to find and very expensive if you do. I also heard that
a Winchip will work.


Pat_in_lb

On Tue, 31 Aug 1999 23:28:49 -0400, "Pablo MD" <pablo.md@itn.cl>
wrote:

>Hi!
>I need to know if all pb680 motherboards support MMX(are there versions with
>and without support for it?). I have one with a 166
>mhz Pentium (not MMX) processor, and I want to upgrade it. Up to what speed
>does this board support?
>Thanks for any help.
>
>Pablo MD.
>pablomd@netexpress.cl
>
>
>
>
>

the voltage regulator boards are really called a PB685.  I also believe a
683 has the regulator.  if yours has it, it will be a metal shielded unit
next to the CPU socket.

You can als look for the setting silk screened onto the board should 2
settings, VRE & something else.

Good Luck,
Gary

Pablo MD <pablo.md@itn.cl> wrote in message
news:newscache$ywsehf$evl$1@news.netline.cl...
> Hi!
> I need to know if all pb680 motherboards support MMX(are there versions
with
> and without support for it?). I have one with a 166
> mhz Pentium (not MMX) processor, and I want to upgrade it. Up to what
speed
> does this board support?
> Thanks for any help.
>
> Pablo MD.
> pablomd@netexpress.cl
>
>
>
>
>
>

Concept Manufacturing makes an $84 Pentium 233MMX Overdrive for non-MMX
Pentium 75+ machines called a "SpeedChip 233".
It has a fixed 3.5 multiplier, so you only need to ensure that your
motherboard is jumper-set to a 66Mhz bus speed to use it.
http://conceptmfg.com/
This is a real Pentium proc, so a 3rd party BIOS upgrade isn't needed
like other AMD-related upgrade options.

- BBJB

____________________________
In article <newscache$ywsehf$evl$1@news.netline.cl>,
  "Pablo MD" <pablomd@netexpress.cl> wrote:
> Hi!
> I need to know if all pb680 motherboards support MMX(are there
versions with
> and without support for it?). I have one with a 166
> mhz Pentium (not MMX) processor, and I want to upgrade it. Up to what
speed
> does this board support?
> Thanks for any help.
>
> Pablo MD.
> pablomd@netexpress.cl
>
>


Sent via Deja.com http://www.deja.com/
Share what you know. Learn what you don't.

I purchased a voltage unit from them and it didn't even fit on the CPU.  So
I had to return it.

I figure the powerleap for $69.00
and a Intel P233MMX for $33.00
your total is                    = 102.00
and you have the ability to use a different CPU if you ever want to.  Or
atleast adjust the jumpers.  And that's only an $18.00 difference.  That's
just my opinion.

Thanks,
Gary

<billybillyjimbob@my-deja.com> wrote in message
news:7qnlm5$ohg$1@nnrp1.deja.com...
> Concept Manufacturing makes an $84 Pentium 233MMX Overdrive for non-MMX
> Pentium 75+ machines called a "SpeedChip 233".
> It has a fixed 3.5 multiplier, so you only need to ensure that your
> motherboard is jumper-set to a 66Mhz bus speed to use it.
> http://conceptmfg.com/
> This is a real Pentium proc, so a 3rd party BIOS upgrade isn't needed
> like other AMD-related upgrade options.
>
> - BBJB
>
> ____________________________
> In article <newscache$ywsehf$evl$1@news.netline.cl>,
>   "Pablo MD" <pablomd@netexpress.cl> wrote:
> > Hi!
> > I need to know if all pb680 motherboards support MMX(are there
> versions with
> > and without support for it?). I have one with a 166
> > mhz Pentium (not MMX) processor, and I want to upgrade it. Up to what
> speed
> > does this board support?
> > Thanks for any help.
> >
> > Pablo MD.
> > pablomd@netexpress.cl
> >
> >
>
>
> Sent via Deja.com http://www.deja.com/
> Share what you know. Learn what you don't.

Pablo MD wrote:

> Hi!
> I need to know if all pb680 motherboards support MMX(are there versions with
> and without support for it?). I have one with a 166
> mhz Pentium (not MMX) processor, and I want to upgrade it. Up to what speed
> does this board support?
> Thanks for any help.
>
> Pablo MD.
> pablomd@netexpress.cl

There are versions of the 680 that support MMX which have dual voltage
regulators and a different BIOS. There are also earlier versions that do not,
usually fitted with 133-200Mhz Pentium Classics when they were high end
processors. Dead giveaway in this case is the S3 video chipset.

I know for almost certain the 682 (S3 Trio64), 683 (S3 Virge 325) and 685
supported MMX. I not sure about earlier sub-models/revisions.

Regards
John Roberts