RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Ian . Pine

 What I did on the I/O cards that passed through me was remove 
 the metal
 locating strip, and file the cutouts which screwed onto the D plugs so
 that the card sat lower onto the board sockets.

I loosened the nuts and found enough play in the metal strip to be able 
to slide it a couple of millimetres which was all it needed; however 
the remaining problem is the card doesn't sit close enough to the slots 
in the back panel to be able to screw it down without pulling on it to 
line it up with the screw hole. When I do that I can see the tension 
lifting the mainboard.  That is probably because the stand-off at the 
far end of the mainboard isn't high enough. For the time being I've 
left the card unscrewed so it can find its own position. It is clamped 
in place by the overlapping head of the screw holding the blank plate 
covering the slot below.  It's all back in the case now and was running 
lastnight for a couple of hours without problems.  I'll have to make 
sure I'm very careful when I try connecting a printer to the parallel 
port!

Ian.   

 -Original Message-
 From: tony 
 Sent: 13 March 2002 19:32
 To: ql-users
 Cc: tony
 Subject: Re: [ql-users] Is there a Qdoctor in the house?
 
 
 On  Wed, 13 Mar 2002 at 17:33:41,  wrote:
 (ref: Hb5f122b6a33.1016040819.ln4p1327.ldn.swissbank.com@MHS)
 
  Looks like a new box might be the solution.
  It is more likely to be the height of the case stand-offs.
  I found that this need to be very carefully set, otherwise
  the I/O card
  is not making proper contact with the socket.
 
 I think you are definitely right about that.  As the card is 
 screwed to
 the back panel it pulls along the top edge which will try to lift the
 furthest end out of the socket.
 The stand-offs supporting the rear (keyboard socket) edge of the
 mainboard are both brass threaded things, whereas the one at the
 opposite end is just a nylon spacer that clips into the hole in the
 mainboard and is suspended in a keyhole shaped slot in the case side
 panel (it's a tower case).
 When I reassemble it all tonight I'll see if I can make some
 adjustments.
 What I did on the I/O cards that passed through me was remove 
 the metal
 locating strip, and file the cutouts which screwed onto the D plugs so
 that the card sat lower onto the board sockets.
 
 -- 
  QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
   tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
 TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG
 


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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Tony Firshman

On  Thu, 14 Mar 2002 at 09:26:51,  wrote:
(ref: Hb5f122c22a6.1016098010.ln4p1327.ldn.swissbank.com@MHS)

 What I did on the I/O cards that passed through me was remove
 the metal
 locating strip, and file the cutouts which screwed onto the D plugs so
 that the card sat lower onto the board sockets.

I loosened the nuts and found enough play in the metal strip to be able
to slide it a couple of millimetres which was all it needed; however
the remaining problem is the card doesn't sit close enough to the slots
in the back panel to be able to screw it down without pulling on it to
line it up with the screw hole. When I do that I can see the tension
lifting the mainboard.  That is probably because the stand-off at the
far end of the mainboard isn't high enough. For the time being I've
left the card unscrewed so it can find its own position. It is clamped
in place by the overlapping head of the screw holding the blank plate
covering the slot below.  It's all back in the case now and was running
lastnight for a couple of hours without problems.  I'll have to make
sure I'm very careful when I try connecting a printer to the parallel
port!

Great - looks like the real problem is found.
Sounds like your case is way out of spec.
Maybe a case for moving the studs a few mm nearer the back.  I assume
the misalignment is not enough to warrant drilling all new holes?
Maybe a very small cylindrical file would do the job - to make oval
looking holes:
   __
  (__)
-- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
  tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Ian . Pine

 Great - looks like the real problem is found.
 Sounds like your case is way out of spec.
 Maybe a case for moving the studs a few mm nearer the back.  I assume 
...

It seems the mainboard is not perpendicular to the case back panel. It 
is close enough to enable the lug on the card's metal plate to locate 
precisely in its slot, but the gap increases towards the top edge.

I have a cunning plan (actually plan A and plan B :) for dealing with 
this.
Alternatively, I might just leave well alone now I've got it working 
again, and tell the cat to tread lightly near it, instead of thundering 
up and down the stairs after her stuffed mouse.  ;O)

Ian.

 -Original Message-
 From: tony 
 Sent: 14 March 2002 10:03
 To: ql-users
 Cc: tony
 Subject: Re: [ql-users] Is there a Qdoctor in the house?
 
 
 On  Thu, 14 Mar 2002 at 09:26:51,  wrote:
 (ref: Hb5f122c22a6.1016098010.ln4p1327.ldn.swissbank.com@MHS)
 
  What I did on the I/O cards that passed through me was remove
  the metal
  locating strip, and file the cutouts which screwed onto 
 the D plugs so
  that the card sat lower onto the board sockets.
 
 I loosened the nuts and found enough play in the metal strip 
 to be able
 to slide it a couple of millimetres which was all it needed; however
 the remaining problem is the card doesn't sit close enough 
 to the slots
 in the back panel to be able to screw it down without 
 pulling on it to
 line it up with the screw hole. When I do that I can see the tension
 lifting the mainboard.  That is probably because the stand-off at the
 far end of the mainboard isn't high enough. For the time being I've
 left the card unscrewed so it can find its own position. It 
 is clamped
 in place by the overlapping head of the screw holding the blank plate
 covering the slot below.  It's all back in the case now and 
 was running
 lastnight for a couple of hours without problems.  I'll have to make
 sure I'm very careful when I try connecting a printer to the parallel
 port!
 
 Great - looks like the real problem is found.
 Sounds like your case is way out of spec.
 Maybe a case for moving the studs a few mm nearer the back.  I assume
 the misalignment is not enough to warrant drilling all new holes?
 Maybe a very small cylindrical file would do the job - to make oval
 looking holes:
__
   (__)
 -- 
  QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
   tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
 TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG
 


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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Tony Firshman

On  Thu, 14 Mar 2002 at 14:35:52,  wrote:
(ref: Hb5f122c22ad.1016116551.ln4p1327.ldn.swissbank.com@MHS)


Alternatively, I might just leave well alone now I've got it working
again, and tell the cat to tread lightly near it, instead of thundering
up and down the stairs after her stuffed mouse.  ;O)
That reminds me of Henry.  She used to sit on my QL way back in 1994, as
it was nice and warm (8-)#



-- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
  tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Tony Firshman

On  Thu, 14 Mar 2002 at 17:05:48,  wrote:
(ref: Hb5f122d3e7b.1016125546.ln4p1327.ldn.swissbank.com@MHS)

 That reminds me of Henry.  She used to sit on my QL way back
 in 1994, as it was nice and warm (8-)#
Sam is a living Van der Graaf generator. She goes near my computers, or
me, and grounds herself. The shock - usually through her nose - makes
her jump. I've actually seen the spark a few times - and felt it when
I'm on the other end of it - it's quite a bolt!  :O)  She rolls over on
the carpet building up the voltage.  I've been trying to think of a way
to charge a battery off her, a kind of homemade cat-powered UPS...

Sorry I'm getting a bit OT now!
At least I kept my comment genuinely on topic (do we have an acronym for
that - OT is genuinely ambiguous)




-- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
  tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



Re: [ql-users] Is there a Qdoctor in the house?

2002-03-14 Thread Dilwyn Jones

 the carpet building up the voltage.  I've been trying to think of
a way
 to charge a battery off her, a kind of homemade cat-powered UPS...

Hmmm. A neighbour of mine, here in Houston, TX, has built his own
unique
(for a home-made dwelling system) power system.

Three 4' x 8' solar powered steam generators (tanks with water and
black
metal panels in them to absorb solar energy and heat the water they
lay
in) with plumbing to a pump connected to a generator, which feeds
through
diodes into a power controller and storage. He does need to use a few
kwh
of electricity in winter (in TX that's two months) and generates
surplus
power in summer, even after running the air conditioning of the
house.

OK, speak to Bill Cable over there on this subject...I think he's even
used QLs in his eco-friendly setup.

--
Dilwyn Jones
[EMAIL PROTECTED]
http://www.soft.net.uk/dj/index.html




RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-13 Thread Ian . Pine

Last night I removed the Q40 completely from its case and set it all up 
on the table. It ran all evening (about 3.5 hours) with not a flicker 
of interference on the monitor. Not even when I picked up the 
mainboard, or prodded (gently) the video RAM chips.  This suggests that 
when the mainboard is mounted in the case, with the I/O card screwed 
onto the back panel, the geometry of the case is putting the board 
under sufficient strain to move one or more chip pins in their sockets 
enough to break connection.  There were no metal objects trapped 
between the mainboard solder side and case.

Looks like a new box might be the solution.

Ian.



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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-13 Thread Tony Firshman

On  Wed, 13 Mar 2002 at 12:20:55,  wrote:
(ref: Hb5f122a3eda.1016022053.ln4p1327.ldn.swissbank.com@MHS)

Last night I removed the Q40 completely from its case and set it all up
on the table. It ran all evening (about 3.5 hours) with not a flicker
of interference on the monitor. Not even when I picked up the
mainboard, or prodded (gently) the video RAM chips.  This suggests that
when the mainboard is mounted in the case, with the I/O card screwed
onto the back panel, the geometry of the case is putting the board
under sufficient strain to move one or more chip pins in their sockets
enough to break connection.  There were no metal objects trapped
between the mainboard solder side and case.

Looks like a new box might be the solution.
It is more likely to be the height of the case stand-offs.
I found that this need to be very carefully set, otherwise the I/O card
is not making proper contact with the socket.

-- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
  tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



Re: [ql-users] Is there a Qdoctor in the house?

2002-03-13 Thread Tony Firshman

On  Wed, 13 Mar 2002 at 17:33:41,  wrote:
(ref: Hb5f122b6a33.1016040819.ln4p1327.ldn.swissbank.com@MHS)

 Looks like a new box might be the solution.
 It is more likely to be the height of the case stand-offs.
 I found that this need to be very carefully set, otherwise
 the I/O card
 is not making proper contact with the socket.

I think you are definitely right about that.  As the card is screwed to
the back panel it pulls along the top edge which will try to lift the
furthest end out of the socket.
The stand-offs supporting the rear (keyboard socket) edge of the
mainboard are both brass threaded things, whereas the one at the
opposite end is just a nylon spacer that clips into the hole in the
mainboard and is suspended in a keyhole shaped slot in the case side
panel (it's a tower case).
When I reassemble it all tonight I'll see if I can make some
adjustments.
What I did on the I/O cards that passed through me was remove the metal
locating strip, and file the cutouts which screwed onto the D plugs so
that the card sat lower onto the board sockets.

-- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
  tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



[ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Ian . Pine

It was not a good weekend for my Q40.  The problem is with the video.  
The machine boots and appears to be working because you can still see 
the picture on the monitor, but superimposed on it are shimmering 
horizontal lines that wander up and down the screen.  Sometimes, if I 
switch off, wait a minute or two, then switch back on the picture will 
be stable but this is shortlived - the 'interference' soon comes back 
again.

I've done as many basic checks as I can (I'm suspecting the problem is 
caused by dirty/damaged contacts somewhere) - the monitor works OK on a 
PC, the header plug connecting to the video pins on the mainboard is 
not loose (though not particularly tight either) and none of the pins 
are bent.  I checked the seating of the I/O card, the contacts on the 
card are clean. Looking into the slots, all the contacts appear 
correctly aligned.  I suppose there is the possibility of tiny breaks 
in any of the tracks on the board, but the only stress the board has 
had was when the I/O card was originally plugged in, and the machine 
has been working fine for a long time.

I'm lost as to what to try next, and lost without my Q40. I started 
playing with FreeBSD and even did some housework - so that shows how 
lost I am!

regards,
Ian.


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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Tony Firshman

On  Mon, 11 Mar 2002 at 10:53:48,  wrote:
(ref: Hb5f122619c6.1015844026.ln4p1327.ldn.swissbank.com@MHS)

It was not a good weekend for my Q40.  The problem is with the video.
The machine boots and appears to be working because you can still see
the picture on the monitor, but superimposed on it are shimmering
horizontal lines that wander up and down the screen.  Sometimes, if I
switch off, wait a minute or two, then switch back on the picture will
be stable but this is shortlived - the 'interference' soon comes back
again.

I've done as many basic checks as I can (I'm suspecting the problem is
caused by dirty/damaged contacts somewhere) - the monitor works OK on a
PC, the header plug connecting to the video pins on the mainboard is
not loose (though not particularly tight either) and none of the pins
are bent.  I checked the seating of the I/O card, the contacts on the
card are clean. Looking into the slots, all the contacts appear
correctly aligned.  I suppose there is the possibility of tiny breaks
in any of the tracks on the board,
Very unlikely indeed.
but the only stress the board has
had was when the I/O card was originally plugged in, and the machine
has been working fine for a long time.

You don't actually say, but are your memory chips soldered or socketed?

If socketed, then check that all pins are properly located.

You also don't mention system ram - always worth cleaning the contacts
on the simm(s), and making sure that the socket is physically OK.
-- 
QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
1stnamesurname,demon.co.uk  http://www.firshman.demon.co.uk
  Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
   TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Ian . Pine

 You don't actually say, but are your memory chips soldered or 
 socketed?
 
 If socketed, then check that all pins are properly located.
The chips are socketed. The sockets are staggered, and the pins are 
bent close to the edge of the chip and appear to have been stretched 
about as far as they'll go to reach the sockets.  I did check that they 
were all located in their sockets but I can't tell whether they are all 
making sound contact.  It will also be difficult to check whether any 
of the pins have broken where they emerge from the chip, because the 
chips are mounted close together.

I admit I didn't check the simms. I'll do that and report back.

Ian.

 -Original Message-
 From: tony 
 Sent: 11 March 2002 11:05
 To: ql-users
 Cc: tony
 Subject: Re: [ql-users] Is there a Qdoctor in the house?
 
 
 On  Mon, 11 Mar 2002 at 10:53:48,  wrote:
 (ref: Hb5f122619c6.1015844026.ln4p1327.ldn.swissbank.com@MHS)
 
 It was not a good weekend for my Q40.  The problem is with the video.
 The machine boots and appears to be working because you can still see
 the picture on the monitor, but superimposed on it are shimmering
 horizontal lines that wander up and down the screen.  Sometimes, if I
 switch off, wait a minute or two, then switch back on the 
 picture will
 be stable but this is shortlived - the 'interference' soon comes back
 again.
 
 I've done as many basic checks as I can (I'm suspecting the 
 problem is
 caused by dirty/damaged contacts somewhere) - the monitor 
 works OK on a
 PC, the header plug connecting to the video pins on the mainboard is
 not loose (though not particularly tight either) and none of the pins
 are bent.  I checked the seating of the I/O card, the contacts on the
 card are clean. Looking into the slots, all the contacts appear
 correctly aligned.  I suppose there is the possibility of tiny breaks
 in any of the tracks on the board,
 Very unlikely indeed.
 but the only stress the board has
 had was when the I/O card was originally plugged in, and the machine
 has been working fine for a long time.
 
 You don't actually say, but are your memory chips soldered or 
 socketed?
 
 If socketed, then check that all pins are properly located.
 
 You also don't mention system ram - always worth cleaning the contacts
 on the simm(s), and making sure that the socket is physically OK.
 -- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
 1stnamesurname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG
 


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This message contains confidential information and is intended only 
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RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Norman Dunbar

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 11, 2002 11:52 AM
To: [EMAIL PROTECTED]
Subject: RE: Re: [ql-users] Is there a Qdoctor in the house?


 ... and the pins are 
 bent close to the edge of the chip and appear to have been stretched 
 about as far as they'll go to reach the sockets.

That sounds pretty horrible to me :o(

regards,
Norman.

-
Norman Dunbar
Database/Unix administrator
Lynx Financial Systems Ltd.
mailto:[EMAIL PROTECTED]
Tel: 0113 289 6265
Fax: 0113 289 3146
URL: http://www.Lynx-FS.com
-


This email is intended only for the use of the addressees named above and
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and are not a named addressee, please delete it and notify the Lynx
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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Tony Firshman

On  Mon, 11 Mar 2002 at 11:51:59,  wrote:
(ref: Hb5f122619cd.1015847517.ln4p1327.ldn.swissbank.com@MHS)

 You don't actually say, but are your memory chips soldered or
 socketed?

 If socketed, then check that all pins are properly located.
The chips are socketed. The sockets are staggered, and the pins are
bent close to the edge of the chip and appear to have been stretched
about as far as they'll go to reach the sockets.
They have not been stretched - that is how they are designed (8-)#
  I did check that they
were all located in their sockets but I can't tell whether they are all
making sound contact.  It will also be difficult to check whether any
of the pins have broken where they emerge from the chip, because the
chips are mounted close together.
Pull them all out, and start form scratch.
It is most likely to be video ram, as you say the system is actually
working.  It could be bad contact on two Lattice chips near hte video
socket.

-- 
QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
1stnamesurname,demon.co.uk  http://www.firshman.demon.co.uk
  Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Tony Firshman

On  Mon, 11 Mar 2002 at 11:57:28, Norman Dunbar wrote:
(ref: [EMAIL PROTECTED])

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 11, 2002 11:52 AM
To: [EMAIL PROTECTED]
Subject: RE: Re: [ql-users] Is there a Qdoctor in the house?


 ... and the pins are
 bent close to the edge of the chip and appear to have been stretched
 about as far as they'll go to reach the sockets.

That sounds pretty horrible to me :o(
I repeat
This is _exactly_ how the chips are designed.
They have the same pin layout as the GC/SGC memory chips, but are
longer.

Not horrible in the slightest (8-)#
-- 
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1stname@surname,demon.co.uk  http://www.firshman.demon.co.uk
  Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Fabrizio Diversi

I had a similar problem with my Q40, in my case was
related with the Ram Simm.
I removed it and cleaned carefully both the simm
contacts and the sockets.
I use alcohol to do it, it is an extremely difficult
operation clean the ram sockect contacts and I HAD TO
DO IT many time before solve the problem.
Hope this will help.
Ciao 
--- [EMAIL PROTECTED] wrote:
 It was not a good weekend for my Q40.  The problem
 is with the video.  
 The machine boots and appears to be working because
 you can still see 
 the picture on the monitor, but superimposed on it
 are shimmering 
 horizontal lines that wander up and down the screen.
  Sometimes, if I 
 switch off, wait a minute or two, then switch back
 on the picture will 
 be stable but this is shortlived - the
 'interference' soon comes back 
 again.
 
 I've done as many basic checks as I can (I'm
 suspecting the problem is 
 caused by dirty/damaged contacts somewhere) - the
 monitor works OK on a 
 PC, the header plug connecting to the video pins on
 the mainboard is 
 not loose (though not particularly tight either) and
 none of the pins 
 are bent.  I checked the seating of the I/O card,
 the contacts on the 
 card are clean. Looking into the slots, all the
 contacts appear 
 correctly aligned.  I suppose there is the
 possibility of tiny breaks 
 in any of the tracks on the board, but the only
 stress the board has 
 had was when the I/O card was originally plugged in,
 and the machine 
 has been working fine for a long time.
 
 I'm lost as to what to try next, and lost without my
 Q40. I started 
 playing with FreeBSD and even did some housework -
 so that shows how 
 lost I am!
 
 regards,
 Ian.
 
 
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Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Phoebus Dokos

At 11:04 ÐÌ 11/3/2002, you wrote:

I had a similar problem with my Q40, in my case was
related with the Ram Simm.
I removed it and cleaned carefully both the simm
contacts and the sockets.
I use alcohol to do it, it is an extremely difficult
operation clean the ram sockect contacts and I HAD TO
DO IT many time before solve the problem.
Hope this will help.
Ciao

A contact cleaning pen might solve the problem a lot faster (There are 
some that have a tip small enough to fit into a RAM socket)

Phoebus



RE: Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Ian . Pine

 That sounds pretty horrible to me :o(
 I repeat
 This is _exactly_ how the chips are designed.
 They have the same pin layout as the GC/SGC memory chips, but are
 longer.
 
 Not horrible in the slightest (8-)#
It's a chip package I've never encountered before; I accept the pin 
layout is as designed. I just got the impression they had been 
re-shaped to fit the sockets because the socket diameter is so large 
that they could not have been positioned any closer together (they look 
like individual single-pin sockets, but now I know it is a standard 
layout, they are probably all joined together in that shape).

No, they are not horrible, they are exquisite (perhaps they are even 
available in a range of pretty colours) ;O)  :)

Phew, I'm glad the Q40 is at home - it would probably refuse to ever 
work again if it knew we were using words like 'horrible' in reference 
to it!

I'll take out all the video RAM chips and reseat them.

Quick question on a related matter while I'm here:
How can I make an ATX PSU supply power to the Q40 with its normal 
mainboard connector disconnected, i.e. not receiving its wakeup signal?

Ian.



 -Original Message-
 From: tony 
 Sent: 11 March 2002 15:35
 To: ql-users
 Cc: tony
 Subject: Re: [ql-users] Is there a Qdoctor in the house?
 
 
 On  Mon, 11 Mar 2002 at 11:57:28, Norman Dunbar wrote:
 (ref: 
 [EMAIL PROTECTED])
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
 Sent: Monday, March 11, 2002 11:52 AM
 To: [EMAIL PROTECTED]
 Subject: RE: Re: [ql-users] Is there a Qdoctor in the house?
 
 
  ... and the pins are
  bent close to the edge of the chip and appear to have 
 been stretched
  about as far as they'll go to reach the sockets.
 
 That sounds pretty horrible to me :o(
 I repeat
 This is _exactly_ how the chips are designed.
 They have the same pin layout as the GC/SGC memory chips, but are
 longer.
 
 Not horrible in the slightest (8-)#
 -- 
 QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
 1stname@surname,demon.co.uk  http://www.firshman.demon.co.uk
   Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG
 


Visit our website at http://www.ubswarburg.com

This message contains confidential information and is intended only 
for the individual named.  If you are not the named addressee you 
should not disseminate, distribute or copy this e-mail.  Please 
notify the sender immediately by e-mail if you have received this 
e-mail by mistake and delete this e-mail from your system.

E-mail transmission cannot be guaranteed to be secure or error-free 
as information could be intercepted, corrupted, lost, destroyed, 
arrive late or incomplete, or contain viruses.  The sender therefore 
does not accept liability for any errors or omissions in the contents 
of this message which arise as a result of e-mail transmission.  If 
verification is required please request a hard-copy version.  This 
message is provided for informational purposes and should not be 
construed as a solicitation or offer to buy or sell any securities or 
related financial instruments.




Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Tony Firshman

On  Mon, 11 Mar 2002 at 16:11:04,  wrote:
(ref: Hb5f1226ff94.1015863062.ln4p1327.ldn.swissbank.com@MHS)

 That sounds pretty horrible to me :o(
 I repeat
 This is _exactly_ how the chips are designed.
 They have the same pin layout as the GC/SGC memory chips, but are
 longer.

 Not horrible in the slightest (8-)#
It's a chip package I've never encountered before; I accept the pin
layout is as designed.
Sorry - I assumed you had been through the QL/GC/SGC route.

No, they are not horrible, they are exquisite (perhaps they are even
available in a range of pretty colours) ;O)  :)
No - only black (8-)#

Quick question on a related matter while I'm here:
How can I make an ATX PSU supply power to the Q40 with its normal
mainboard connector disconnected, i.e. not receiving its wakeup signal?
Connect PS-ON pin to GND.  You could be clever  and replace the existing
power momentary switch with an AT type switch.

Here is the layout with 'normal' colours:

3vDC3.3v sense  11  O/brown 1   orange  +3.3V
-12vDC  12  Blue2   orange +3.3V
GND 13  Black   3   black   GND
PS-ON   14  Green   4   red +5V
GND 15  Black   5   black   GND
GND 16  Black   6   Red +5v
GND 17  Black   7   Black   GND
-5V 18  white   8   GreyPower OK
+5V 19  red 9   purple  +5V SB
+5V 20  red 10  yellow  +12V

If formatting is upset, copy to an editor.  I have used TABS so all
should line up.



-- 
QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
 tonysurname,demon.co.uk  http://www.firshman.demon.co.uk
  Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
   TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG



Re: [ql-users] Is there a Qdoctor in the house?

2002-03-11 Thread Tony Firshman

On  Mon, 11 Mar 2002 at 11:12:05, Phoebus Dokos wrote:
(ref: [EMAIL PROTECTED])

At 11:04 ÐÌ 11/3/2002, you wrote:

I had a similar problem with my Q40, in my case was
related with the Ram Simm.
I removed it and cleaned carefully both the simm
contacts and the sockets.
I use alcohol to do it, it is an extremely difficult
operation clean the ram sockect contacts and I HAD TO
DO IT many time before solve the problem.
Hope this will help.
Ciao

A contact cleaning pen might solve the problem a lot faster (There
are some that have a tip small enough to fit into a RAM socket)
I was thinking of the simm, which has non-gold connectors.   A rubber is
OK for that.
I hadn't realised until Q40 that simms used two connectors for each
signal - sort of accepting the connections were dodgy.

-- 
QBBS (QL fido BBS 2:252/67) +44(0)1442-828255
 tony@surname,demon.co.uk  http://www.firshman.demon.co.uk
  Voice: +44(0)1442-828254   Fax: +44(0)1442-828255
   TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG