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Thread View: alt.comp.hardware.homebuilt
13 messages
13 total messages Started by Barry Ward Wed, 13 Jun 2001 06:02
Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#534
Author: Barry Ward
Date: Wed, 13 Jun 2001 06:02
25 lines
2377 bytes
I have an old P233MMX which uses an Intel TX chipset on an Oktek motherboard
and has been running 2x32 meg of 66 meghz SDRAM

The motherboard manual specifically states that it will allow RAM sizes up
to 128 meg , single or double side can be used in either of the 2 DIMM
slots - up to a max of 256 megs.

I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg P133
RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one of
the old 32 meg sticks back in as well as the 128 , it then recognises a
total of 64 meg.  This occurs with all combinations using the 2 DIMM slots.

Looking at the "chipset details" setup page in the BIOS reveals all kinds of
setting relating to RAM timing -- most of which I don't understand . These
include such things as DRAM Read and Write burst timing, RAS to CAS delay,
DRAM PAGE Idle timer, etc, etc.

I'm pretty sure that these timings are affecting the bios inability to
recognise the full 128 meg -- but not sure..

Any help would be appreciated.

Thanks

Barry in Brisbane Australia
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#532
Author: twobucks
Date: Wed, 13 Jun 2001 06:20
33 lines
2355 bytes
tried flashing the bios?

"Barry Ward" <baz@powerup.com.au> wrote in message news:3b270180@grissom...
> I have an old P233MMX which uses an Intel TX chipset on an Oktek
motherboard
> and has been running 2x32 meg of 66 meghz SDRAM
>
> The motherboard manual specifically states that it will allow RAM sizes up
> to 128 meg , single or double side can be used in either of the 2 DIMM
> slots - up to a max of 256 megs.
>
> I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
P133
> RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one of
> the old 32 meg sticks back in as well as the 128 , it then recognises a
> total of 64 meg.  This occurs with all combinations using the 2 DIMM
slots.
>
> Looking at the "chipset details" setup page in the BIOS reveals all kinds
of
> setting relating to RAM timing -- most of which I don't understand . These
> include such things as DRAM Read and Write burst timing, RAS to CAS delay,
> DRAM PAGE Idle timer, etc, etc.
>
> I'm pretty sure that these timings are affecting the bios inability to
> recognise the full 128 meg -- but not sure..
>
> Any help would be appreciated.
>
> Thanks
>
> Barry in Brisbane Australia
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#535
Author: Dave C.
Date: Wed, 13 Jun 2001 08:39
46 lines
3246 bytes
What type of 128MB RAM will the board address though?  Think of RAM as a
spreadsheet with X columns times Y rows.  If your motherboard is able to
recognize only X columns and you install RAM that is 4X columns, then your
motherboard will only use the first X columns, and  thus it's only using
about 1/4th of the RAM stick installed.  If you are lucky, a simple BIOS
flash will overcome this limitation.  But it is most likely hardware
related.  And flashing your BIOS should only be done as a very last resort,
as it could cause irreversible damage to your motherboard.  If you are not
sure of the exact type of RAM that your motherboard will accept, check the
manual, or go to the motherboard manufacturer's web site.    -Dave

--
On linuxfreemail dot com, I am user "spamfilter".

"Barry Ward" <baz> wrote in message news:3b270180@grissom...
> I have an old P233MMX which uses an Intel TX chipset on an Oktek
motherboard
> and has been running 2x32 meg of 66 meghz SDRAM
>
> The motherboard manual specifically states that it will allow RAM sizes up
> to 128 meg , single or double side can be used in either of the 2 DIMM
> slots - up to a max of 256 megs.
>
> I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
P133
> RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one of
> the old 32 meg sticks back in as well as the 128 , it then recognises a
> total of 64 meg.  This occurs with all combinations using the 2 DIMM
slots.
>
> Looking at the "chipset details" setup page in the BIOS reveals all kinds
of
> setting relating to RAM timing -- most of which I don't understand . These
> include such things as DRAM Read and Write burst timing, RAS to CAS delay,
> DRAM PAGE Idle timer, etc, etc.
>
> I'm pretty sure that these timings are affecting the bios inability to
> recognise the full 128 meg -- but not sure..
>
> Any help would be appreciated.
>
> Thanks
>
> Barry in Brisbane Australia
>
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#527
Author: BoganMan
Date: Wed, 13 Jun 2001 12:25
11 lines
1728 bytes
> And flashing your BIOS should only be done as a very last resort,
> as it could cause irreversible damage to your motherboard.

What rubbish! Use a brand new floppy disk, don't turn the power off in the
middle, thoroughly read the readme files first. BIOS updates are a piece of cake
procedure that provide often useful hardware updates.

I liked your X and Y analogy with the RAM tho, good stuff :)

--------- BoganMan
[[ ICQ 32988117 ]]
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#528
Author: Robert Graf
Date: Wed, 13 Jun 2001 14:06
27 lines
2622 bytes
"BoganMan" <jamieb1@FUCKYASPAMOFFdingoblue.net.au> wrote in message
news:3b275c01$0$25486$7f31c96c@news01.syd.optusnet.com.au...
> > And flashing your BIOS should only be done as a very last resort,
> > as it could cause irreversible damage to your motherboard.
>
> What rubbish! Use a brand new floppy disk, don't turn the power off in the
> middle, thoroughly read the readme files first. BIOS updates are a piece
of cake
> procedure that provide often useful hardware updates.
>
> I liked your X and Y analogy with the RAM tho, good stuff :)
>
> --------- BoganMan
> [[ ICQ 32988117 ]]
>
>
You do have to be careful, updating the BIOS, if you don't do it properly it
will cause troubles, as you can tell by looking at the newsgroups. It is
easy for the most part, but do pay attention. I've done it several times
without a problem. The advice about a new floppy is important as well as not
turning off the machine in the middle of the operation. And make sure you
save the old content when prompted to by the flash program.

Robert Graf
http://www.instantewealth.org
rgraf@instantewealth.org
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#529
Author: BigJim
Date: Wed, 13 Jun 2001 15:46
36 lines
2778 bytes
more than likely the ram is high density and not true 66mhz. What they do is
take 100mhz and clock it down to 66. Some times it works some time it
doesn't. Check to the last number on the ram chip, if it is a 10 it is 66mhz
if it is less than 10 then it is not 66mhz.
"Barry Ward" <baz@powerup.com.au> wrote in message news:3b270180@grissom...
> I have an old P233MMX which uses an Intel TX chipset on an Oktek
motherboard
> and has been running 2x32 meg of 66 meghz SDRAM
>
> The motherboard manual specifically states that it will allow RAM sizes up
> to 128 meg , single or double side can be used in either of the 2 DIMM
> slots - up to a max of 256 megs.
>
> I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
P133
> RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one of
> the old 32 meg sticks back in as well as the 128 , it then recognises a
> total of 64 meg.  This occurs with all combinations using the 2 DIMM
slots.
>
> Looking at the "chipset details" setup page in the BIOS reveals all kinds
of
> setting relating to RAM timing -- most of which I don't understand . These
> include such things as DRAM Read and Write burst timing, RAS to CAS delay,
> DRAM PAGE Idle timer, etc, etc.
>
> I'm pretty sure that these timings are affecting the bios inability to
> recognise the full 128 meg -- but not sure..
>
> Any help would be appreciated.
>
> Thanks
>
> Barry in Brisbane Australia
>
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#530
Author: Kurt Mirow
Date: Wed, 13 Jun 2001 17:06
8 lines
1706 bytes
Hi I've recently had this problem, try and find some PC 66 memory to use. As
my P233MX which took both 72pin and 168 pinn would only recognise 16 meg on
a 64 meg stick.

Also really will an increase in memory, really improve a machine that old?

Regards,
Kurt Mirow
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#531
Author: Barry Ward
Date: Wed, 13 Jun 2001 18:51
63 lines
3859 bytes
The motherboard manual does not specify what "kind" of RAM it will address..
But bear in mind tht it was written 4 years ago, in the days of P66 RAM.. It
does however specify that RAM to the size of 128 meg can be used.- but it
will only recognize 32 meg of this new 128meg P133.

Barry

"Dave C." <spammersdie@slowlyandpainfully.com> wrote in message
news:VEFV6.25369$G45.1299367@news1.onlynews.com...
> What type of 128MB RAM will the board address though?  Think of RAM as a
> spreadsheet with X columns times Y rows.  If your motherboard is able to
> recognize only X columns and you install RAM that is 4X columns, then your
> motherboard will only use the first X columns, and  thus it's only using
> about 1/4th of the RAM stick installed.  If you are lucky, a simple BIOS
> flash will overcome this limitation.  But it is most likely hardware
> related.  And flashing your BIOS should only be done as a very last
resort,
> as it could cause irreversible damage to your motherboard.  If you are not
> sure of the exact type of RAM that your motherboard will accept, check the
> manual, or go to the motherboard manufacturer's web site.    -Dave
>
> --
> On linuxfreemail dot com, I am user "spamfilter".
>
> "Barry Ward" <baz> wrote in message news:3b270180@grissom...
> > I have an old P233MMX which uses an Intel TX chipset on an Oktek
> motherboard
> > and has been running 2x32 meg of 66 meghz SDRAM
> >
> > The motherboard manual specifically states that it will allow RAM sizes
up
> > to 128 meg , single or double side can be used in either of the 2 DIMM
> > slots - up to a max of 256 megs.
> >
> > I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
> P133
> > RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one
of
> > the old 32 meg sticks back in as well as the 128 , it then recognises a
> > total of 64 meg.  This occurs with all combinations using the 2 DIMM
> slots.
> >
> > Looking at the "chipset details" setup page in the BIOS reveals all
kinds
> of
> > setting relating to RAM timing -- most of which I don't understand .
These
> > include such things as DRAM Read and Write burst timing, RAS to CAS
delay,
> > DRAM PAGE Idle timer, etc, etc.
> >
> > I'm pretty sure that these timings are affecting the bios inability to
> > recognise the full 128 meg -- but not sure..
> >
> > Any help would be appreciated.
> >
> > Thanks
> >
> > Barry in Brisbane Australia
> >
> >
>
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#533
Author: Dave C.
Date: Wed, 13 Jun 2001 21:37
22 lines
1944 bytes
A RAM upgrade will improve any machine . . . especially if you start with
less than 64MB.  Beyond 256MB though, you're probably better off upgrading
something else like CPU/Motherboard/Video Card.  -Dave

--
On linuxfreemail dot com, I am user "spamfilter".

"Kurt Mirow" <d9911266> wrote in message
news:3b279d8c$1@news.connect.usq.edu.au...
> Hi I've recently had this problem, try and find some PC 66 memory to use.
As
> my P233MX which took both 72pin and 168 pinn would only recognise 16 meg
on
> a 64 meg stick.
>
> Also really will an increase in memory, really improve a machine that old?
>
> Regards,
> Kurt Mirow
>
>
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#526
Author: John Howland
Date: Wed, 13 Jun 2001 21:39
45 lines
2814 bytes
  If the memory module is recognized as smaller - chances are your MoBo or
chipset doesn't work with newer high density chips... very common in older
systems.

  As for running up to 256MB of memory - need to ask what chipset first...
some Socket 7 only cache the first 64MB & going above that can actually make
the system slower since you are using uncached memory.

--

---------------
Specialty Tech -  Main Boards, CPU, Memory and more...
Lake Forest, Calif. (949) 951-7067
www.specialtytech.com
---------------

Dave C. <spammersdie@slowlyandpainfully.com> wrote in message
news:L2RV6.27642$G45.1331931@news1.onlynews.com...
> A RAM upgrade will improve any machine . . . especially if you start with
> less than 64MB.  Beyond 256MB though, you're probably better off upgrading
> something else like CPU/Motherboard/Video Card.  -Dave
>
> --
> On linuxfreemail dot com, I am user "spamfilter".
>
> "Kurt Mirow" <d9911266> wrote in message
> news:3b279d8c$1@news.connect.usq.edu.au...
> > Hi I've recently had this problem, try and find some PC 66 memory to
use.
> As
> > my P233MX which took both 72pin and 168 pinn would only recognise 16 meg
> on
> > a 64 meg stick.
> >
> > Also really will an increase in memory, really improve a machine that
old?
> >
> > Regards,
> > Kurt Mirow
> >
> >
> >
>
>
>
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#525
Author: Peter Milnes
Date: Thu, 14 Jun 2001 22:16
70 lines
4181 bytes
You should be using 72 pin SIMMs, your P133 SIMM has 128 pins. So ditch your
128Mb SIMM and replace it with two x 64Mb 72pin EDO SIMMs.
Cheers, Peter.

"Barry Ward" <baz@powerup.com.au> wrote in message news:3b27b5c4@grissom...
: The motherboard manual does not specify what "kind" of RAM it will address..
: But bear in mind tht it was written 4 years ago, in the days of P66 RAM.. It
: does however specify that RAM to the size of 128 meg can be used.- but it
: will only recognize 32 meg of this new 128meg P133.
:
: Barry
:
: "Dave C." <spammersdie@slowlyandpainfully.com> wrote in message
: news:VEFV6.25369$G45.1299367@news1.onlynews.com...
: > What type of 128MB RAM will the board address though?  Think of RAM as a
: > spreadsheet with X columns times Y rows.  If your motherboard is able to
: > recognize only X columns and you install RAM that is 4X columns, then your
: > motherboard will only use the first X columns, and  thus it's only using
: > about 1/4th of the RAM stick installed.  If you are lucky, a simple BIOS
: > flash will overcome this limitation.  But it is most likely hardware
: > related.  And flashing your BIOS should only be done as a very last
: resort,
: > as it could cause irreversible damage to your motherboard.  If you are not
: > sure of the exact type of RAM that your motherboard will accept, check the
: > manual, or go to the motherboard manufacturer's web site.    -Dave
: >
: > --
: > On linuxfreemail dot com, I am user "spamfilter".
: >
: > "Barry Ward" <baz> wrote in message news:3b270180@grissom...
: > > I have an old P233MMX which uses an Intel TX chipset on an Oktek
: > motherboard
: > > and has been running 2x32 meg of 66 meghz SDRAM
: > >
: > > The motherboard manual specifically states that it will allow RAM sizes
: up
: > > to 128 meg , single or double side can be used in either of the 2 DIMM
: > > slots - up to a max of 256 megs.
: > >
: > > I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
: > P133
: > > RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one
: of
: > > the old 32 meg sticks back in as well as the 128 , it then recognises a
: > > total of 64 meg.  This occurs with all combinations using the 2 DIMM
: > slots.
: > >
: > > Looking at the "chipset details" setup page in the BIOS reveals all
: kinds
: > of
: > > setting relating to RAM timing -- most of which I don't understand .
: These
: > > include such things as DRAM Read and Write burst timing, RAS to CAS
: delay,
: > > DRAM PAGE Idle timer, etc, etc.
: > >
: > > I'm pretty sure that these timings are affecting the bios inability to
: > > recognise the full 128 meg -- but not sure..
: > >
: > > Any help would be appreciated.
: > >
: > > Thanks
: > >
: > > Barry in Brisbane Australia
: > >
: > >
: >
: >
:
:
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#516
Author: Wargren
Date: Sun, 17 Jun 2001 10:25
82 lines
4410 bytes

Peter Milnes wrote:

> You should be using 72 pin SIMMs, your P133 SIMM has 128 pins. So ditch your
> 128Mb SIMM and replace it with two x 64Mb 72pin EDO SIMMs.
> Cheers, Peter.

Huh?????

>
>
> "Barry Ward" <baz@powerup.com.au> wrote in message news:3b27b5c4@grissom...
> : The motherboard manual does not specify what "kind" of RAM it will address..
> : But bear in mind tht it was written 4 years ago, in the days of P66 RAM.. It
> : does however specify that RAM to the size of 128 meg can be used.- but it
> : will only recognize 32 meg of this new 128meg P133.
> :
> : Barry
> :
> : "Dave C." <spammersdie@slowlyandpainfully.com> wrote in message
> : news:VEFV6.25369$G45.1299367@news1.onlynews.com...
> : > What type of 128MB RAM will the board address though?  Think of RAM as a
> : > spreadsheet with X columns times Y rows.  If your motherboard is able to
> : > recognize only X columns and you install RAM that is 4X columns, then your
> : > motherboard will only use the first X columns, and  thus it's only using
> : > about 1/4th of the RAM stick installed.  If you are lucky, a simple BIOS
> : > flash will overcome this limitation.  But it is most likely hardware
> : > related.  And flashing your BIOS should only be done as a very last
> : resort,
> : > as it could cause irreversible damage to your motherboard.  If you are not
> : > sure of the exact type of RAM that your motherboard will accept, check the
> : > manual, or go to the motherboard manufacturer's web site.    -Dave
> : >
> : > --
> : > On linuxfreemail dot com, I am user "spamfilter".
> : >
> : > "Barry Ward" <baz> wrote in message news:3b270180@grissom...
> : > > I have an old P233MMX which uses an Intel TX chipset on an Oktek
> : > motherboard
> : > > and has been running 2x32 meg of 66 meghz SDRAM
> : > >
> : > > The motherboard manual specifically states that it will allow RAM sizes
> : up
> : > > to 128 meg , single or double side can be used in either of the 2 DIMM
> : > > slots - up to a max of 256 megs.
> : > >
> : > > I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg
> : > P133
> : > > RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one
> : of
> : > > the old 32 meg sticks back in as well as the 128 , it then recognises a
> : > > total of 64 meg.  This occurs with all combinations using the 2 DIMM
> : > slots.
> : > >
> : > > Looking at the "chipset details" setup page in the BIOS reveals all
> : kinds
> : > of
> : > > setting relating to RAM timing -- most of which I don't understand .
> : These
> : > > include such things as DRAM Read and Write burst timing, RAS to CAS
> : delay,
> : > > DRAM PAGE Idle timer, etc, etc.
> : > >
> : > > I'm pretty sure that these timings are affecting the bios inability to
> : > > recognise the full 128 meg -- but not sure..
> : > >
> : > > Any help would be appreciated.
> : > >
> : > > Thanks
> : > >
> : > > Barry in Brisbane Australia
> : > >
> : > >
> : >
> : >
> :
> :

--
 "Michael J"
-------------
Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
#517
Author: BoganMan
Date: Sun, 17 Jun 2001 11:27
10 lines
1692 bytes
> You should be using 72 pin SIMMs, your P133 SIMM has 128 pins. So ditch your
> 128Mb SIMM and replace it with two x 64Mb 72pin EDO SIMMs.

Translation:
Sell your house, car, parents, spouse, children, genitals, soul and anything
else you can scrape together. You should JUST be able to afford some cheap 64Mb
EDO RAM...

--------- BoganMan
[[ ICQ 32988117 ]]
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