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PC133 SDRAM - just on the off chance

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Dave Baker - 18 Aug 2009 15:27 GMT
Bought a couple of 256mb sticks of PC133 sdram on Ebay last week to upgrade
my antique 733mhz pentium to its maximum 512mb and sod's law it turned out
to be ECC parity stuff for servers not desktop pcs. Strangely it does
actually work but each stick is only recognised as 128mb so I'm still stuck
at the 256mb total I was previously. If anyone has a very old, circa late
1990s to 2002ish pc, with any 256mb sticks of PC133 168pin unbuffered
non-ECC sdram in it they might be chucking out I'd be interested.
Signature

Dave Baker

JG - 18 Aug 2009 17:00 GMT
> Bought a couple of 256mb sticks of PC133 sdram on Ebay last week to upgrade
> my antique 733mhz pentium to its maximum 512mb and sod's law it turned out
[quoted text clipped - 3 lines]
> 1990s to 2002ish pc, with any 256mb sticks of PC133 168pin unbuffered
> non-ECC sdram in it they might be chucking out I'd be interested.

Just looked through my store of 'bits that are too good to bin and might
go on eBay' and found half-a-dozen 128Mb and 2 256Mb

Send me your snail mail address to jg@rescentcomputing.co.uk and I'll
post them on.

I have no reason to believe that they are anything but good but I don't
have a system I can test them in.

If you find they suit your needs then you can send whatever beer tokens
you consider they are worth to you :)

JG
John S - 18 Aug 2009 23:34 GMT
> > Bought a couple of 256mb sticks of PC133 sdram on Ebay last week to upgrade
> > my antique 733mhz pentium to its maximum 512mb and sod's law it turned out
[quoted text clipped - 17 lines]
>
> JG

Tight bastard, just give them to him <g>

John S.
Peter A Forbes - 19 Aug 2009 06:55 GMT
>Tight bastard, just give them to him <g>
>
>John S.

LOL!

We have some as well if the original offer doesn't work out.

Peter
--
Peter & Rita Forbes
Email: diesel@easynet.co.uk
http://www.oldengine.org/members/diesel
http://www.stationary-engine.co.uk
http://www.oldengine.co.uk
Dave Baker - 19 Aug 2009 15:02 GMT
Thanks for the offers JG and Peter. I'm more than happy to release a couple
of beer tokens for anything that gets my feeble machine up to 512mb but
don't want anyone to be out of pocket. I only bought the ram off ebay
because no one else bid (no one else is daft enough to be using a pc that
old I guess) so I got it for the minimum 99p plus the same again in postage.
I can't imagine that ten year old ram types are in great demand but who
knows. They want £25 a stick in the shops but I doubt if they sell any.

I'm still a bit puzzled why it actually works at all but only at half its
nominal size. I downloaded the pdf file for the motherboard off the Intel
site (D815EEA) and it says it can take either ECC or non ECC ram but it will
will only run ECC in non ECC mode. In other pcs when I've tried ECC ram it
doesn't work at all. Then there's the single sided, double sided ram issue
but it says it should be able to cope with two sticks of double sided so I'm
still puzzled. The ram that's in it now is all single sided - one stick of
128mb and two of 64mb. The ram I bought was double sided. Maybe it's a
buffering issue and it really wants unbuffered ram like the manual says but
I'm buggered if I actually know what that's all about.

The Crucial scan tool says I want 2 of these.

http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=40655AB0A5CA7304

Note that they have only 8 chips on each side rather than 9. The ones I
bought have 9. Dividing by 3 seems to be a parity issue so clearly I want
something that isn't divisible by 3. If you have anything that seems to fit
the bill let me know.
Signature

Dave Baker

Rodney Pont - 19 Aug 2009 15:47 GMT
>The Crucial scan tool says I want 2 of these.
>
>http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=40655AB0A5CA7304

Reading the Crucial site it says it only supports 4 rows and it seems a
row = a side. You already have three rows and so it can only use one
side of the double sided ram you bought. What happens if you remove one
of the 64meg ones?

>Note that they have only 8 chips on each side rather than 9. The ones I
>bought have 9. Dividing by 3 seems to be a parity issue so clearly I want
>something that isn't divisible by 3. If you have anything that seems to fit
>the bill let me know.

It's eight bits for a byte so that's 8 chips then add the parity bit
gives 9. Nothing to do with being divisible by 3.

Signature

Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail    ngpsm4 (at) infohitsystems (dot) ltd (dot) uk

Rodney Pont - 19 Aug 2009 15:49 GMT
>>The Crucial scan tool says I want 2 of these.
>>
[quoted text clipped - 4 lines]
>side of the double sided ram you bought. What happens if you remove one
>of the 64meg ones?

Why do I check things after sending... Reading it properly it only
supports 4 rows at 133mhz so with your 5 rows it should see it but only
run at 100mhz.

At least I got the parity bit right and that's something for me these
days :-)

Signature

Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail    ngpsm4 (at) infohitsystems (dot) ltd (dot) uk

Dave Baker - 19 Aug 2009 16:08 GMT
>>The Crucial scan tool says I want 2 of these.
>>
[quoted text clipped - 13 lines]
> It's eight bits for a byte so that's 8 chips then add the parity bit
> gives 9. Nothing to do with being divisible by 3.

I removed all of the existing chips before fitting the new ones. It has 3
ram slots which support a maximum of 4 rows of memory so you can populate
all 3 with single sided, 1 with double sided and the other 2 with single or
2 rows with double sided and nothing in the third. That much is absolutely
clear and simple to follow. The 2 new double sided chips didn't exceed the
stated rules. I tried them in every slot and also one at a time but they
always only registered as 128mb not 256mb. Clearly the machine is only
recognising one side of each chip but why I'm not too sure. The parity,
buffering or ECC status must be the reason.
Signature

Dave Baker

Rob Wilson - 19 Aug 2009 16:23 GMT
Peices of seven, peices of seven.......Parrotty error......

Rob.

>>> The Crucial scan tool says I want 2 of these.
>>>
[quoted text clipped - 21 lines]
> recognising one side of each chip but why I'm not too sure. The parity,
> buffering or ECC status must be the reason.
JG - 19 Aug 2009 18:54 GMT
> "Rodney Pont"  wrote
>>
>>> The Crucial scan tool says I want 2 of these.
>>>
>>> http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=40655AB0A5CA7304

> I removed all of the existing chips before fitting the new ones. It has 3
> ram slots which support a maximum of 4 rows of memory so you can populate
[quoted text clipped - 5 lines]
> recognising one side of each chip but why I'm not too sure. The parity,
> buffering or ECC status must be the reason.

I've checked the two sticks I have and they are not a matched pair; one
is single sided (8 chips) and the other double (16).

It would be worth seeing what configuration Peter has.

JG
Peter A Forbes - 19 Aug 2009 20:51 GMT
>I've checked the two sticks I have and they are not a matched pair; one
>is single sided (8 chips) and the other double (16).
>
>It would be worth seeing what configuration Peter has.
>
>JG

We have 6 memory sticks, 512mb PC133, all 8-chip double sided, plus 1 DDR type.

Also have some new and sealed 256mb DDR2 533mhz, plus some 256mb DDR  333mhz
used.

Peter
--
Peter & Rita Forbes
Email: diesel@easynet.co.uk
http://www.oldengine.org/members/diesel
http://www.stationary-engine.co.uk
http://www.oldengine.co.uk
Dave Baker - 20 Aug 2009 00:48 GMT
>>I've checked the two sticks I have and they are not a matched pair; one
>>is single sided (8 chips) and the other double (16).
[quoted text clipped - 5 lines]
> We have 6 memory sticks, 512mb PC133, all 8-chip double sided, plus 1 DDR
> type.

Won't fit in mine I'm afraid. The maximum component density I can use is
256mb per stick as per the Crucial link I posted.
Signature

Dave Baker

Dave Baker - 20 Aug 2009 00:56 GMT
>>> Dave Baker wrote:
>>>
[quoted text clipped - 16 lines]
>
> It would be worth seeing what configuration Peter has.

Sounds like that second stick would fit. I think the single sided one might
be too high a component density but it's bloody hard to work out what this
damn board will take. Crucial says it can use a maximum of 256mb per
component and also a maximum of 4 rows (out of the 6 rows on the board) but
it isn't clear if there's also a limit of 128mb per row i.e a 256mb stick
must be double sided.
Signature

Dave Baker

Archie - 20 Aug 2009 01:18 GMT
>>>> Dave Baker wrote:
>>>>
[quoted text clipped - 24 lines]
> board) but it isn't clear if there's also a limit of 128mb per row i.e a
> 256mb stick must be double sided.
Some M/B memory configurations can be can be confusing. My brother bought a
1Gb module to upgrade his PC to the maximum of 2GB. It didn't work. After
close inspection of the manual it turns out that the only configuration that
works is a single 2G module.

Archie
Archie - 20 Aug 2009 01:12 GMT
> Thanks for the offers JG and Peter. I'm more than happy to release a
> couple of beer tokens for anything that gets my feeble machine up to 512mb
[quoted text clipped - 24 lines]
> something that isn't divisible by 3. If you have anything that seems to
> fit the bill let me know.

It may be that the RAM you have is faulty. I found a module recently in a
server that supports ECC RAM where one module only tested to half its stated
size.
It looks like Peter's RAM is not suitable for your M/B. I have a couple of
double sided DIMMs you can have. Send me your Address and I will test and
send them to you.

If the 256M DIMMS don't work maybe you could bring it up to 384M by adding
two 128M DIMMs. I have more of these.

archiedotmcnee
at blueyonder dotcodotuk

Archie
Dave Baker - 20 Aug 2009 05:01 GMT
>> Thanks for the offers JG and Peter. I'm more than happy to release a
>> couple of beer tokens for anything that gets my feeble machine up to
[quoted text clipped - 40 lines]
>
> Archie

Hi Archie,

Many thanks if your stuff is what I need. Address is as follows.

Dave Baker
2 Layters Avenue
Chalfont St Peter
Bucks
SL9 9HP
Signature

Dave Baker

Archie - 20 Aug 2009 21:11 GMT
>>> Thanks for the offers JG and Peter. I'm more than happy to release a
>>> couple of beer tokens for anything that gets my feeble machine up to
[quoted text clipped - 50 lines]
> Bucks
> SL9 9HP
I tried the two 256M modules in an old PIII machine at work and they
only registered 128M each in the BIOS. I then tried a couple of 128M
modules and they only registered 64M each. I brought them home to try
them and the 128M modules registered 128M but the 256M modules still
only registered 128M???? Much head scratching. I wonder if there is any
link to the issues you are having.

Anyway, I have found a couple of 256M modules that register 256M in the
BIOS so I will put them in the post tomorrow. They are not a matched
pair but they should be OK.

Archie
Dave Baker - 20 Aug 2009 23:34 GMT
> I tried the two 256M modules in an old PIII machine at work and they only
> registered 128M each in the BIOS. I then tried a couple of 128M modules
[quoted text clipped - 6 lines]
> BIOS so I will put them in the post tomorrow. They are not a matched pair
> but they should be OK.

The message I get from the BIOS when I boot up with these ECC chips in the
pc is something along the lines of "Serial Presence Detect error - press
enter to continue or F2 to enter setup". The SPD feature is apparently
something on the memory chips that tells the BIOS what type and amount of
RAM it is and it seems my two chips don't have it. They do however work
happily at 128mb each. It is all very weird I agree. I don't recall having
this much trouble matching RAM to any other pc.

I have however solved another problem which was after my last fresh install
of XP I noticed Winrar taking forever to extract anything plus some
stuttering and instability when I was playing avi files with VLC player.
After much Googling it turned out my hard drive had defaulted to PIO mode
rather than Ultra DMA mode. In PIO mode it seems the processor has to write
everything to the hard drive one byte at a time and this slows things down
by a factor or 4 or so. To check go to Control Panel, System, Hardware,
Device Manager and check that the primary and/or secondary IDE controllers
are in UDMA mode. If not then uninstall the controller and reboot and
hopefully it will get re-installed properly.

Also during that Googling session I now find out that IDE cables have moved
on from the old 40 core ones I've been transferring from machine to machine
for years and that for modern hard drives I really need 80 core stuff to get
the faster UDMA modes. Currently I'm in mode 2 but the drive could probably
go faster. It never bloody ends.
Signature

Dave Baker

Peter Fairbrother - 21 Aug 2009 09:33 GMT
> Also during that Googling session I now find out that IDE cables have moved
> on from the old 40 core ones I've been transferring from machine to machine
> for years and that for modern hard drives I really need 80 core stuff to get
> the faster UDMA modes. Currently I'm in mode 2 but the drive could probably
> go faster. It never bloody ends.

80-core cables came in in about 1999, and for new equipment they went
out in about 2007.

For modern hard drives you'll need a SATA cable, which is a single
shielded cable, not a parallel cable.

I used to know much about memory compatibility, but I've forgotten it
all - it's so last millennium.

-- Peter Fairbrother
JG - 21 Aug 2009 09:46 GMT
>> Also during that Googling session I now find out that IDE cables have
>> moved on from the old 40 core ones I've been transferring from machine
[quoted text clipped - 7 lines]
> For modern hard drives you'll need a SATA cable, which is a single
> shielded cable, not a parallel cable.

Essentially correct but new IDE drives are still available and 80 wire
cables are still included with new motherboards from all the major
manufacturers.

SATA has still not gained full status with case manufacturers who are
still supplyig PSUs with only Molex connections, requiring a conversion
cable where SATA drives are specified.

JG
Peter Fairbrother - 21 Aug 2009 12:07 GMT
>>> Also during that Googling session I now find out that IDE cables have
>>> moved on from the old 40 core ones I've been transferring from
[quoted text clipped - 11 lines]
> cables are still included with new motherboards from all the major
> manufacturers.

Possibly because you need some sort of ide/PATA for optical drives anyway...

Guessing, they probably don't make slow IDE chips any more, and need to
use ide133 chips, so supplying an 80 wire cable, as opposed to a 40-wire
cable, to a single IDE header, which allows a single PATA drive
functionality plus temporary connection of an old PATA dive, is a cheap
investment in backwards connectivity - besides, don't some optical
drives need 80-wire cables anyway?

However I sort-of agree, eg you can still buy mobos which don't have
SATA - though I wouldn't recommend it.

> SATA has still not gained full status with case manufacturers who are
> still supplyig PSUs with only Molex connections, requiring a conversion
> cable where SATA drives are specified.

Yeah, that's strange, but adapters are about 50p, and sometimes SATA
drives come with them. Early SATA drives had Molexes iirc.

-- Peter Fairbrother
Archie - 21 Aug 2009 12:38 GMT
>>>> Also during that Googling session I now find out that IDE cables have
>>>> moved on from the old 40 core ones I've been transferring from machine
[quoted text clipped - 33 lines]
>
> -- Peter Fairbrother

I could never figure out how an 80 wire cable performed better that a 40
wire considering the connector on the end of each cable only had 40 pins.

Archie
Peter Fairbrother - 21 Aug 2009 13:15 GMT
>>>>> Also during that Googling session I now find out that IDE cables have
>>>>> moved on from the old 40 core ones I've been transferring from machine
[quoted text clipped - 36 lines]
>
> Archie

The connectors are a bit special, they all connect the odd (or even)
numbered wires to earth. This lowers crosstalk between the wires, so
faster speeds can be used.

The blue connector also connects pin 34 to earth so as to let the
devices know an 80-wire cable is in use, and it doesn't connect pin 34
to wire 34; and the grey connector doesn't connect pin 28 to wire 28,
for master/slave cable select.

-- Peter Fairbrother
bigegg - 21 Aug 2009 23:10 GMT
Since we are on about older computers, just had this from
alt.humor.best-of-usenet

> Subject: Re: Hook me up
> From: John Hatpin <RemoveThisjfhopkin@gmailAndThisToo.com>
[quoted text clipped - 57 lines]
>
> WHAT THE f.ck HAVE YOU DONE TO THE RAM?

Signature

bigegg

Dave Baker - 24 Aug 2009 11:54 GMT
> Anyway, I have found a couple of 256M modules that register 256M in the
> BIOS so I will put them in the post tomorrow. They are not a matched pair
> but they should be OK.

Just got them and stuck them in :) Everything running happily at 512mb. The
old girl's immediately much quicker browsing and accessing newsgroups. Many
thanks Archie. If anyone wants my ECC chips for a server type machine
they're welcome to them.
Signature

Dave Baker

Dave Baker - 24 Aug 2009 12:43 GMT
>> Anyway, I have found a couple of 256M modules that register 256M in the
>> BIOS so I will put them in the post tomorrow. They are not a matched pair
[quoted text clipped - 4 lines]
> Many thanks Archie. If anyone wants my ECC chips for a server type machine
> they're welcome to them.

Drat, I spoke too soon I think. It's crashing for England now. Firefox going
down and refusing to restart, Utorrent doing the same. When I've got more
time I'll download a memory tester and see if it's just one stick playing up
but for now I've put the two ECC modules back in. Ah well, it was worth a
try.
Signature

Dave Baker

Archie - 24 Aug 2009 15:15 GMT
>>> Anyway, I have found a couple of 256M modules that register 256M in the
>>> BIOS so I will put them in the post tomorrow. They are not a matched
[quoted text clipped - 10 lines]
> playing up but for now I've put the two ECC modules back in. Ah well, it
> was worth a try.

Try running your machine with one 256M module at a time and see if the
machine is stable.

Archie
Dave Baker - 24 Aug 2009 16:03 GMT
>>>> Anyway, I have found a couple of 256M modules that register 256M in the
>>>> BIOS so I will put them in the post tomorrow. They are not a matched
[quoted text clipped - 13 lines]
> Try running your machine with one 256M module at a time and see if the
> machine is stable.

I will do a bit later. For now I'm trying to download something before AOL
stop all p2p activity which they do every day between about 5pm and 11pm.
After 5pm I'll have a really good play and see if I can at least get one
256mb stick running reliably alongside the existing 128mb and one of the two
64mb ones I had in there. That at least will give me 448mb which would be a
big improvement.

I've already lost half the day dicking around with AOL yet again trying to
find out why my supposed line upgrade to "up to 8mbps" is still capped at
exactly the same 2mbps it always has been for the last 8 years. They keep
telling me they've put the upgrade through 2 weeks ago but I think I'm being
told porkies because even if I can't get the full 8mb it would surely have
altered somewhat from the exact same 2272kbps it's showing me in the router
diagnostics. It's like a slow and painful death making repeated phone calls
to them and going through the same crap time after time with different
people though.

"Have you fitted a filter in the phone socket?" No it's working by magic
like it has done since I joined AOL.

"Have you plugged in the yellow router cable to your ethernet card?"  Do you
think the f.cking thing would work at all if I hadn't???
Signature

Dave Baker

Peter A Forbes - 24 Aug 2009 16:52 GMT
>"Have you fitted a filter in the phone socket?" No it's working by magic
>like it has done since I joined AOL.
>
>"Have you plugged in the yellow router cable to your ethernet card?"  Do you
>think the f.cking thing would work at all if I hadn't???

Ah! the lovely, lying AOL!

Just run past me again what it is you're trying to do with this memory please,
Dave, I've found a few more modules over the weekend and may have some smaller
ones to offer.

Peter
--
Peter A Forbes
Prepair Ltd, Rushden, UK
peterforbes@prepair.co.uk
http://www.prepair.co.uk
http://www.prepair.eu
Dave Baker - 25 Aug 2009 11:30 GMT
>>> Anyway, I have found a couple of 256M modules that register 256M in the
>>> BIOS so I will put them in the post tomorrow. They are not a matched
[quoted text clipped - 10 lines]
> playing up but for now I've put the two ECC modules back in. Ah well, it
> was worth a try.

Right, well one of the 256mb sticks was definitely not working. I fairly
quickly got a spontaneous reboot with just that one in and then later an
actual BSOD with dire warnings to remove any recently fitted hardware. Never
had one of those before. I didn't realise they actually were blue. The
second stick seems to be ok and I couldn't get it to crash with just that in
on its own. I did get one crash when I added the old 128mb stick to it but I
moved that to the third slot instead of the second and added one of my 64mb
sticks in the second and it's been working ok all night. Maybe something
hadn't been seated perfectly. So I'm up to 448mb out of the possible 512mb
which is not too bad.

So my choices seeing as it's a max of 512mb and I can only populate 4 rows
out of the 6 on the MB (3 double sided slots) are to find another good
double sided 256mb pc133 stick or another single sided 128mb pc133 stick to
add to the existing 128mb single sided one in there and remove the single
sided 64mb pc100 one in there which will be slowing the whole lot to 100
anyway - or just to leave it well alone now.
Signature

Dave Baker

Archie - 25 Aug 2009 15:46 GMT
>>>> Anyway, I have found a couple of 256M modules that register 256M in the
>>>> BIOS so I will put them in the post tomorrow. They are not a matched
[quoted text clipped - 28 lines]
> single sided 64mb pc100 one in there which will be slowing the whole lot
> to 100 anyway - or just to leave it well alone now.

I must confess, my test was to plug it in and watch the BIOS count up.
I do have some 128M modules (including the ones marked 256)-I will have
another lookto see what's there.

Archie
Dave Baker - 26 Aug 2009 05:03 GMT
>>>>> Anyway, I have found a couple of 256M modules that register 256M in
>>>>> the BIOS so I will put them in the post tomorrow. They are not a
[quoted text clipped - 32 lines]
> I do have some 128M modules (including the ones marked 256)-I will have
> another lookto see what's there.

Well it's been rock steady for 30 plus hours now without a reboot with 1 x
256mb + 1 x128mb + 1 x 64mb (448mb) chips in it. To be honest trying to get
the last 64mb in there to bring it up to the full 512mb would be gilding the
lily - or maybe trying to make a silk purse out of a sow's ear given how old
and crappy this pc is. I'm well happy as it stands. I'm also more than happy
to donate a couple of beer tokens to try a final 128mb PC133 single sided
chip alongside the existing one just to prove a point.

The basic Intel motherboard and ancilliaries are so stable on this old thing
I think it might last for ever and it surely does everything I really need
to such an acceptable standard and speed that I could probably live with it
forever. Only if I were to want to do highly intensive cpu tasks like video
editing or gaming would I really need a modern machine. For web surfing and
general downloading it's fast enough.

I suppose the car equivalent would be bangernomics. Running a 10 year old
clunker so that someone else has paid for the depreciation without radically
reducing the utility of the machine. I did used to be a fan of that too
until  got my Focus and decided that spending your time underneath old cars
fixing them was not an ideal way to spend my time. At least fixing pc's can
be done indoors, in the warm and dry, and without ruining your back lifting
things. Swapping RAM chips is not so onerous.
Signature

Dave Baker

Peter A Forbes - 26 Aug 2009 08:40 GMT
>Well it's been rock steady for 30 plus hours now without a reboot with 1 x
>256mb + 1 x128mb + 1 x 64mb (448mb) chips in it. To be honest trying to get
[quoted text clipped - 3 lines]
>to donate a couple of beer tokens to try a final 128mb PC133 single sided
>chip alongside the existing one just to prove a point.

We have some 128mb 'sync' PC133 modules and a couple of 64mb, the only 256mb's
are DDR types.

Peter
--
Peter A Forbes
Prepair Ltd, Rushden, UK
peterforbes@prepair.co.uk
http://www.prepair.co.uk
http://www.prepair.eu
Archie - 27 Aug 2009 12:26 GMT
>>>>>> Anyway, I have found a couple of 256M modules that register 256M in
>>>>>> the BIOS so I will put them in the post tomorrow. They are not a
[quoted text clipped - 55 lines]
> least fixing pc's can be done indoors, in the warm and dry, and without
> ruining your back lifting things. Swapping RAM chips is not so onerous.
I found another 256M module and left it running overnight in a machine
together with 2x128Ms. They look OK so I'll put them in the post.

Your comment on cars bring back a memories of changing the clutch on my
Cortina Estate. This was done in the street with wife  inside the car
helping with a rope a bit of wood to support the gearbox. A short time later
I was in the Ford garage for something else and saw a sign up offering a
replacement clutch job for about the same price as I had paid for the parts.
Still limping with the kick I gave myself.

Archie
Dave Baker - 27 Aug 2009 14:53 GMT
>> I suppose the car equivalent would be bangernomics. Running a 10 year old
>> clunker so that someone else has paid for the depreciation without
[quoted text clipped - 5 lines]
> I found another 256M module and left it running overnight in a machine
> together with 2x128Ms. They look OK so I'll put them in the post.

Cheers Archie :) It's been fine for over 2 days now on the chips currently
in it btw so at least my baseline is now a minimum of 448mb. Just to remind
you the 128 sticks need to be single sided i.e. only having chips on one
side of the board or I'll exceed my 4 rows limit if they have to go in along
with a double sided 256mb stick.

> Your comment on cars bring back a memories of changing the clutch on my
> Cortina Estate. This was done in the street with wife  inside the car
> helping with a rope a bit of wood to support the gearbox. A short time
> later I was in the Ford garage for something else and saw a sign up
> offering a replacement clutch job for about the same price as I had paid
> for the parts. Still limping with the kick I gave myself.

I remember doing both the engine and gearbox on my Marina when I was about
20, outside on a gravel track, no engine hoist and no help and no real fears
about managing it. I seem to recall lowering the engine to the ground once
I'd got the mounts off then jacking the car as high as I could get it and
dragging it out from underneath. Then there was some faffing about with me
on my back lowering the box onto my chest and sliding it off me sideways. I
have no memory at all of how I got them back in though but clearly I must
have done. Just doing a set of brake pads 30 years later is enough to ruin
my day. I'm too old for all this crap now.
Signature

Dave Baker

Dave Baker - 30 Aug 2009 09:02 GMT
> I found another 256M module and left it running overnight in a machine
> together with 2x128Ms. They look OK so I'll put them in the post.

Got them thanks Archie. Although neither the manual or the Crucial website
were very clear about it the new single sided 256mb chip works fine
alongside the first double sided 256mb chip you sent so apparently there
wasn't a limit of 128mb per row. So that's me up to 512mb and it's been
running happily for a day now. I did cheekily try adding another 128mb chip
in the 3rd slot but it only counted up to 512mb as the manual said it would.
I'd upgraded to the latest BIOS I could find on the Intel website and was
rather hoping that might have got round the original memory limit but fraid
not. Anyway 512mb is plenty for XP and the stuff I use it for. If one of the
256mb chips goes down I also have the backup of two 128mb ones to swap in
instead which is nice.

It's weird thinking back to my first pc, an Amstrad 1512 which I bought in
1987 and which still works perfectly btw, which also has 512 of ram - except
it's 512kb not mb. I vaguely recall paying a small fortune to upgrade it to
640kb from 512kb and I paid another £300 for a 20mb (yes mb not gb) hard
disk which back then was a serious amount of money. From memory it ran at
8mHz and this one runs at 733mHz (which is still pathetic by today's
standards) so with 100 times faster processor and 1000 times more memory
where have we actually got to? I still use the same old Dos spreadsheet I
did back then because I never got round to really learning Excel. Most
applications back then came on a single floppy diskette and did everything
you really needed. I've never really understood why modern applications need
100mb of disk space but do bugger all extra compared to things that were
written into a few hundred kb 20 years ago. Oh and beer only cost a few
pence a pint and the bread tasted better and my back didn't ache and my eyes
could focus at 6 inches instead of 12. Grumble moan.

By sheer coincidence someone was helping me clear out the spare room on
Friday and came across a bunch of IDE cables of which one was an 80 strand
item which I now realise actually was the one I'd had installed in my
previous pc. It's grey not white like all the other cables and I now clearly
remember using it. Not knowing the difference it made I must have swapped
the disk into this current pc using an older 40 strand cable that would
probably already have been inside it. So anyway I slapped that in instead
and my hard disk says it's now running in UDMA mode 6 instead of mode 2
although to be honest I can't actually tell it's going any faster during
file transfers. It must be doing summat though.

I think that's everything I can do to make this old beast run as fast as
possible so hopefully after so much buggering about the motherboard or cpu
or power supply won't now suddenly decide to call it a day and put me back
to square one. If it keeps working I reckon it'll do me for a goodly while.

I now owe someone a favour in return to balance my karma and keep the world
turning smoothly on its axis.
Signature

Dave Baker

JG - 19 Aug 2009 18:48 GMT
> Tight bastard, just give them to him <g>

I presume that you would consider that statement valid about yourself
had someone been asking about Myford change gears or some other component
you trade in to earn a crust.

JG
John S - 19 Aug 2009 19:45 GMT
> > Tight bastard, just give them to him <g>
>
[quoted text clipped - 3 lines]
>
> JG

Sorry, Didn't realise you were a trader in obsolete computer
equipment, my apologies.

John S.
 
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