Re: powerbook 1400 stacked memory sizes?

[k]

>
>
>
>mine shows 56 built-in,
>when i click the arrow,
>it shows
>16 logic board
>40 expansion

what OS are you using? it has evolved, maybe you'll need 8.1 to do 
that ? System info should be the place to see that ? maybe the PB is 
an exception?
kenta
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Missing Desktop Folder

[Jim Lucas]

This is going to sound weird. I have lost the desktop folder on my PB 
1400cs in the root direcory! It used to be there. I could see it from 
a different computer when networked (I even had an alias of it on the 
networked computers so I could slid files right to the desktop.) I 
could see it with RedEdit and Drop*Blindfold. I could see it when I 
single clicked and held on the hard drive icon while using FinderPop. 
But I did something, I don't know what, and it is gone. Utilities 
that can see invisible files no longer can see it. What gives? 
Suggestions? It was handy to be able to copy stuff over the network 
right to the desktop, and even into folders on the desktop!
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Re: 1400C is driving me crazy

[Cameron Kaiser]

> I have been booting up my 1400c (stock 133mHz 601e, OS 8.6) with a Global
> Village fax/modem/ethernet card which always remains in the slot, almost
> every day for 2 years with no problems (never kicks it out). In addition,
> for the past 6 months I've been booting it with a formatted 128mb CF card in
> a card reader in the upper slot as well (set as Virtual Memory, BTW). As
> long as I leave 'em alone, it boots fine every time.

Yep. My 1400 has been very happy with its Best Data 56K modem and its
EtherLink III 3c589C card, as long as I make sure not to sneak one in on it
until after it's booted up (or after it's shut down).

-- 
- personal page: http://www.armory.com/~spectre/ --
 Cameron Kaiser, Point Loma Nazarene University * [EMAIL PROTECTED]
-- This signature is free of dihydrogen monoxide! Ban it now! www.dhmo.org 

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Re: 1400C is driving me crazy

[Ken Norris]

**
> Date: Tue, 25 Mar 2003 22:20:21 -0600
> Subject: Re: 1400C is driving me crazy
> From: Thad Hoffman <[EMAIL PROTECTED]>
> 
> The 1400c cannot boot with a card stuck into it during the boot. Same as
> sleep mode. It will just kick the card out if you attempt it.
--
Only if it's the first very first time or you remove it and shut it down. In
either of those cases it's expecting an empty slot at startup.
--
> Let the machine boot up, then insert the card.
--
Confirmed. It needs to complete the entire boot process before you attempt
to insert the card.

If Jim is trying to push it back in during the boot process, it will
probably cause a problem.

However, if he pushes it in _after_ a completed boot and there is some kind
of failure, then we have another problem.
--
> It can boot with the card in the slot if the card was loaded before it was
> last shutdown.
--
So, if it's something you use daily, it should probably just be left in.
--
> I have a 9.1 OS 48 MB RAM G3 333MHz 1400c and this is what it does, also the
> 1400 user guide states the same.
--
I have been booting up my 1400c (stock 133mHz 601e, OS 8.6) with a Global
Village fax/modem/ethernet card which always remains in the slot, almost
every day for 2 years with no problems (never kicks it out). In addition,
for the past 6 months I've been booting it with a formatted 128mb CF card in
a card reader in the upper slot as well (set as Virtual Memory, BTW). As
long as I leave 'em alone, it boots fine every time.

Ken N.


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Re: Duo keyboard and battery life.

[Adam]

> At 10:25 PM -0600 3/25/03, Dan Palka wrote:
> > 2400c is a great road machine, and the 12" Ibook has made it
> >>reasonable in price, $2-400 or so for PPC version.
> >
> >Speaking of left field, where did that come from?
>
> If you're going to quote me, please learn how.  Hardly left field,
> and since it wasn't your question in the first place you're hardly the one
> to complain about it.
> The person was asking about purchasing a machine for on the road
> use, and the 2400 is so much better than either the 280 or the 500, that
it
> seemed sensible to bring up the superior machine.

I just thought I'd stick my oar in, and mention that Apple, in their
blinkered wisdom, didn't sell the 2400 here in Australia. They do
occasionally come up on eBay (grey imports?) but at inflated prices.

Cheers,
Adam.


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Re: powerbook 1400 stacked memory sizes?

[Cameron Kaiser]

> You list six slots on a 1400?  What OS are you using?  I also only show the
> Logic Board RAM and the Expansion RAM with OS 9.1.

Yep, that's all that shows in mine, too (8 and 52MB).

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 Cameron Kaiser, Point Loma Nazarene University * [EMAIL PROTECTED]
-- A little inaccuracy sometimes saves tons of explanation. -- H. H. Munro 

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Re: Personal LaserWriter trouble

[Bryan Kattwinkel]

on 3/25/03 9:34 PM, Sid Barras wrote:

>I have yet to find and on/off switch, so I'm  assuming there is not one?
>is there a reset switch? I'm not afraid of opening it up and checking the
>output of the power supply. How do you get in it?
>
>Is there any safety switches or such that have to be closed for it to come
>on?
>I'm not getting the green light on the led bank on top...

There is no power switch. The most likely cause of no LEDs is the power 
cord working loose (inside the little door on one corner); if that's not 
it I have no idea.

I don't think there is any reset; you can pull the plug. After any jam or 
other yellow light condition, you typically have to open and close the 
toner cover and it resets itself. Jams tend to occur in the back; often I 
have to hold the pass-thru switch in the up position with a rubber band.

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Re: Powerbook backlight dicussion

[Randy & Cheyanne]

Kai,

I'm not affiliated with them in any way but by being a very occasional 
customer but I saw at Macresq a refurbished replacement screen for a 
540 for about twenty bucks. 
 I don't know 
their overseas shipping policy but you could give 'em a look.

I am still waiting to see what Mad Dog discovers with his backlight 
surgery.

cheers,

Randy

On Wednesday, Mar 26, 2003, at 09:50 US/Central, Kai Steinmann wrote:

> But I'm a bit sceptical about the backlight theory. But only a bit 
> because I
> am far too dumb concerning that LCD stuff to be a respectable 
> discussional
> partner. ;-) However. What I have recognized is that the darkening 
> does not
> only grow from the left and right borders. It also comes from the top 
> border
> (more slowly. but it does). Which is kind of interesting because I 
> don't
>
-- 
"Good thing it's a one-holer, 'cause if it were a two-holer, before 
McClellan could make up his mind which one to use, he'd beshit 
himself."--A. Lincoln


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Powerbook backlight discussion

[Tom Lee]

> But I'm a bit sceptical about the backlight theory.
>
> But I've put a Picture of my screen online. So you can see what I mean.
> Unfortunately I have shot this picture too early. So there is only a bit of
> the top darkening. But it really gets worse when running the PB540 for some
> hours longer.
>
> http://www.webkreativ.de/temp/pb540_lcd.jpg
>
> I think the question that still remains is: Is it the too hot backlight
> causing the darkening or the exhausted LCD? And has anyone yet tried to ask
> Apple what the problem might be?
>
> Well. A last question: Tom - You wrote that i.e. DigiKey has these
> backlights. I took a look at their page but there was only a lot of
> confusion for me. Because I have no idea which one might be the right one.
> Do you know which backlight I would need for the Powerbook 540? Or does
> anyone else? Because if I could organize some. Why shouldn't I give it a
> try...
>
> Thanks,
> Kai

You have every reason to be skeptical about anything I say! Thanks for the photo
of the screen, because it clears up a few things. It definitely rules out any
problem with, say, the connectors (which can be unreliable, as Sionnach notes, and
cause many display anomalies -- but not this one).

>From your photo, it is almost certainly some problem with either the backlight not
getting its light evenly distributed to all parts of the display (was this thing
ever dropped?), or a thermal problem that causes the liquid crystals to stop
polarizing correctly.

If the thermal problem is caused by the CCFL tube, things should improve if you
turn the brightness off, and let it sit for a few hours. If the display is ok when
you turn the brightness back up, then it's likely a tube related thing.

If not, open up the display, and try aiming a desk fan at the affected areas, and
see if that helps at all. And examine the display carefully to see if anything has
gotten knocked out of alignment. Inside the LCD panel assembly, there is a
translucent sheet whose job is to disperse the backlight evenly (it may be
hard/impossible to see anything other than the edges of the sheet; look around
near the CCFL). If it's loose for some reason (or curling up at its edges as it
heats up), that might cause what you're seeing. Overall, I think the cause itself
is pretty simple (light not getting to the right part of the display, or parts of
the display overheating), but finding out what it is another story...

The most reliable way to get the right CCFL lamp is to measure its dimensions, and
use that as a guide. If you get lucky, a knowledgeable sales associate at JKL or
DigiKey (see http://www.lowendmac.com/bookrev/02/1227.html) might already have a
cross-reference with the right part number handy. Me, I'm never that lucky.

I'm looking forward to the next episode in this continuing saga...

--Cheers,
Tom


--
Prof. Thomas H. Lee
Center for Integrated Systems, CIS-205
420 Via Palou Mall
Stanford University
Stanford, CA 94305-4070
http://www-smirc.stanford.edu
650-725-3709 ph, -3383 fax



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Re: Powerbook 170 battery won't charge

[Paul Nelson]

At 5:32 PM -0500 3/26/03, Olin Jenkins wrote:
>I never discharged it fully;


That's probably your problem.  Get a separate charger with a
discharge button.  They are probably all good, as soon as they are
completely discharged and then recharged.  You just can't rely on the
powerbook to keep it charged in situ.
Paul



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Re: Powerbook backlight dicussion

[Tom & Lisa P]

>Again thanks a lot for all that posts about the LCD darkening.
>
>Mad Dog: Do you really want to try replacing the backlight in your Duo 280?
>If so, I'm very excited about what will happen...

Thats the plan.  I think I have a broken 280 screen I can use to swap out.

Mad Dog

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Re: powerbook 1400 stacked memory sizes?

[David Allen]

You list six slots on a 1400?  What OS are you using?  I also only show the
Logic Board RAM and the Expansion RAM with OS 9.1. (16 and 48 respectively for
the 64 Meg Max.)  The only way I've found to check RAM module sizes is by
removing and checking the numbers, or removing one of the stacked modules and
seeing what difference there is between the original and the new amounts.

My PCI Macs show all of the slots, (8 in my 7600/8600s) but my 1400s show only
the 2 slots. (Profiler adds the soldered on motherboard 8 megs of memory to the
Apple memory card for the "Logicboard" memory and the single slot into which you
can put a single or a pair of stacked 3rd party modules for the "Expansion"
memory.)

David Allen

> Hi Wayne -- I just looked at mine again:  it lists 6 slots by name, and
> indicates the size of the module in each (I tried to copy and paste the
> list, but system profiler doesn't seem to allow even *that* much meddling.)
> Why yours doesn't do the same I have no idea, but surely somebody else on
> the list will be able to tell you.
>
> Best,
> Victoria


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Re: powerbook 1400 stacked memory sizes?

[victoria brandon]

on 3/26/03 2:56 PM, NHJ News at [EMAIL PROTECTED] wrote:

> mine shows 56 built-in,
> when i click the arrow,
> it shows 
> 16 logic board
> 40 expansion
> 
> but there are two stacked ram modules inside, so the 40 = two modules of
> unknown capacity and profiler doesn't show what size the individual modules
> are.


Hi Wayne -- I just looked at mine again:  it lists 6 slots by name, and
indicates the size of the module in each (I tried to copy and paste the
list, but system profiler doesn't seem to allow even *that* much meddling.)
Why yours doesn't do the same I have no idea, but surely somebody else on
the list will be able to tell you.

Best,
Victoria
-- 
"Our earth is degenerate in these latter days; bribery and
corruption are common; children no longer obey their parents; and the
end of the world is evidently approaching." -- Assyrian clay tablet 2800
B.C.


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Re: Powerbook 170 battery won't charge

[Gary Carpenter]

Olin,

Bummer, dude.  I fear you've been hosed by the infamous M5140 ac 
adapter.  Examine the plug tip and see if the insulation has broken 
away.  Then go to this '95 TidBITS issue and, well, decide what to do.  
Others on this list have alleged you can replace the faulty fuse if 
you're not too squeamish about soldering, but the ac adapter is gonna 
have to go, alas...

I also fear that the  two "new" batteries you bought were toast when 
you got them.  Perhaps someone will recommend where to get them rebuilt 
with new cells.

   

Warmest regards,

Gary


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AW: Powerbook backlight dicussion

[Kai Steinmann]

Dan,

>AFAIK, there is only one ccfl tube in any of these screens, at the top or
>bottom but not the sides.

if that is true for the 500 series Powerbook, it actually couldn't be a
backlight problem. because it always comes from the side borders and
especially the corners first. But maybe I'm wrong and it is the backlight -
who knows...


>I've got a 'new' 250, I haven't run it yet for a long period so maybe now
>is the time to see if it afflicted. I'll report back if I learn anything
>new.

ok. i'm anxious to your report. ;-)
kai


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Re: powerbook 1400 stacked memory sizes?

[NHJ News]

> From: victoria brandon <[EMAIL PROTECTED]>
> Reply-To: <[EMAIL PROTECTED]> (PowerBooks)
> Date: Wed, 26 Mar 2003 16:43:03 -0600
> To: <[EMAIL PROTECTED]> (PowerBooks)
> Subject: Re: powerbook 1400 stacked memory sizes?
> 
> on 3/26/03 1:21 PM, NHJ News at [EMAIL PROTECTED] wrote:
> 
>> What I'm wondering, is there an easy way to
>> determine what size the two stacked (=40) rams are?
> 
> Sure:  just click on the little right-facing arrow in the System Profiler
> next to Built-in Memory, and a little list will drop down, detailing the
> whole thing.
> 
> HTH,
> Victoria


mine shows 56 built-in,
when i click the arrow,
it shows 
16 logic board
40 expansion

but there are two stacked ram modules inside, so the 40 = two modules of
unknown capacity and profiler doesn't show what size the individual modules
are.

thnx
wayne




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Re: powerbook 1400 stacked memory sizes?

[victoria brandon]

on 3/26/03 1:21 PM, NHJ News at [EMAIL PROTECTED] wrote:

> What I'm wondering, is there an easy way to
> determine what size the two stacked (=40) rams are?


Sure:  just click on the little right-facing arrow in the System Profiler
next to Built-in Memory, and a little list will drop down, detailing the
whole thing.

HTH,
Victoria
--
Let's take back our country in 2004:  Howard Dean!


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Powerbook 170 battery won't charge

[Olin Jenkins]

Greetings, Powerbooks users:

Gentle help, please, since this is my first PB. I bought a PB170 from 
a Swaplister in January, and it was an absolute gem in its first two 
months of use. Software-wise, it's fine. I'm sure the OS (7.0.1*) and 
all related stuff is a moot point.

Problem: just after two months' use, the BTI MC-170 battery (which 
would hold a charge of about two hours: I never discharged it fully; 
that could be a hint as to what I'm doing) stopped charging. I took 
for granted that the battery was simply dying and bought two used 
ones from someone else on the Swaplist. Neither would charge. So... I 
bought a new BTI MC-170 and charged it with the PB170's supplied 
power adapter (Model M5140) for ten hours and am now charging the 
battery with a M5652 adapter.

Where I am right now: I can boot the PB170 with the original BTI 
MC-170 battery that worked and charged with the PB; however, I can't 
get the other three batteries to charge or boot the PB. Another hint 
is this: I've tried to re-set the Power Manager with no luck (battery 
out; power adapter out; putting paper clips on both switches).

I suspect a mobo problem, although the PB apparently has a strong 
PRAM battery, as it's kept its settings. What's confusing me is that 
I can't re-set the Power Manager, and I have the feeling that's where 
I need to start to charge batteries. If I need to break into the PB 
(I'm wary of doing it, even though I've broken into every Mac I've 
owned), I would be grateful for any contacts with a "take-apart" PDF 
URL.

Any immediate ideas? I'd begrudgingly used a Tandy 100 since 1992, 
and until I can get my PB170 to work "mobile" again, the Tandy's back 
in use. TIA, and peace...

-- 
Cheers! Olin Jenkins, [EMAIL PROTECTED], Jenkins Typography
1303 Sunset Drive, Columbia, SC  29203 ... phone/fax: 803-256-2245
Layout and design and full editing services at reasonable prices
Please visit 


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powerbook 1400 stacked memory sizes?

[NHJ News]

Hi all,
In my pb 1400, the apple profiler says it has 56mb with 16mb on the
logicboard and 40mb expansion. What I'm wondering, is there an easy way to
determine what size the two stacked (=40) rams are? I figure it could be a
32 and an 8, or a 24 and a 16, but I don't know how to tell without pulling
them out.
thanks,
Wayne



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Re: Powerbook backlight dicussion

[Dan K]

On 3/26/03 "Kai Steinmann" <[EMAIL PROTECTED]>wrote:
>Again thanks a lot for all that posts about the LCD darkening.
>
>Mad Dog: Do you really want to try replacing the backlight in your Duo 280?
>If so, I'm very excited about what will happen...
>
>But I'm a bit sceptical about the backlight theory. But only a bit because I
>am far too dumb concerning that LCD stuff to be a respectable discussional
>partner. ;-) However. What I have recognized is that the darkening does not
>only grow from the left and right borders. It also comes from the top border
>(more slowly. but it does). Which is kind of interesting because I don't
>think that there is also a backlight on the top of the screen. But ok. Maybe
>it is also influenced by the heat of the side backlights... I told you. I'm
>quite stupid concerning that stuff.
AFAIK, there is only one ccfl tube in any of these screens, at the top or 
bottom but not the sides.

Also, in my experience, the screen's corners darken whether the BL is on 
or off. I've not noticed the screen becoming hot with the BL off, but 
it's possible I suppose.

>But I've put a Picture of my screen online. So you can see what I mean.
>http://www.webkreativ.de/temp/pb540_lcd.jpg
Sadly, that's what we are all seeing to various degrees. It does grow in 
the corners first, then spreads out along the sides. I had set up a 
maxed-out 2300 with a 280 screen, hoping to have the perfect travel 'Book 
but 'twas not to be. : -(

I've got a 'new' 250, I haven't run it yet for a long period so maybe now 
is the time to see if it afflicted. I'll report back if I learn anything 
new.

Dan K

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Re: Duo keyboard and battery life.

[Dan Palka]

>   If you're going to quote me, please learn how.  Hardly left field,
>and since it wasn't your question in the first place you're hardly the one
>to complain about it.
>   The person was asking about purchasing a machine for on the road
>use, and the 2400 is so much better than either the 280 or the 500, that it
>seemed sensible to bring up the superior machine.

The reason it seemed out of place is that the 2400c is neither a Duo, or 
a 68k PowerBook for that matter.  Furthermore it is in an entirely 
different price bracket.  I could say a 12" G4 is superior to all of 
them, but that really doesn't help him in anyway.

>   Adam double posted this to the Duo/2400 list.  What do you want to
>bet that he gets the same advice on that list?

I assumed that since both of the PowerBooks he asked about were 040 
powered, that he probably is looking for a 040 powered PowerBook - most 
likely because they are very very inexpensive.

A 2400c is lovely, but probably fetches quite a bit more than any 500 
series or Duo 280.

>Paul

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Re: Duo keyboard and battery life.

[Paul Nelson]

At 10:25 PM -0600 3/25/03, Dan Palka wrote:
>   2400c is a great road machine, and the 12" Ibook has made it
>>reasonable in price, $2-400 or so for PPC version.
>
>Speaking of left field, where did that come from?

If you're going to quote me, please learn how.  Hardly left field,
and since it wasn't your question in the first place you're hardly the one
to complain about it.
The person was asking about purchasing a machine for on the road
use, and the 2400 is so much better than either the 280 or the 500, that it
seemed sensible to bring up the superior machine.
Adam double posted this to the Duo/2400 list.  What do you want to
bet that he gets the same advice on that list?
Paul



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AW: Powerbook backlight dicussion

[Kai Steinmann]

Sionnach,

Thanks to your response and some qutoes on what you wrote:

>loss of back lighting... I took it to mean "getting
>dark" as in large opaque dark blocks appear on the
>edges of the screen/grow into the display field.

Well. The word "blocks" confuses me a bit (maybe it's only my bad English
skill). I would describe it more as blurred/smeary areas growing from the
borders and getting more and more dark.

>Kai, whats going on??  Is it just the backlight?  If
>so, I would think you could still make out 'something'
>of the display on the dark areas if you looked hard
>enough. -Or, are you seeing dark blocks devoid of any
>image appearing on your screen?

The longer the Powerbook is running, the bigger these areas get. And they
also get darker. Maybe the first 2 hours I can still recognize images (i.e.
the apple or the mouse pointer) under these spots. But after a longer time
it gets really dark. Then I nearly can't recognize anything under it
anymore.

>were me, diagnosing any type of display problem, I'd
>start by removing the LCD case plastic and top cover
>and checking the cables where they connect to the
>LCD/FL Inverter/and MB...  I'd pay specific attention
>to the way the cable routes through the hinge and make
>sure it isn't badly kinked or freyed in any way...

I already wanted to do that. But I didn't get very far right up to now,
because I have no idea on how to disassemble the PB 540 to take a look at
all those parts. And I don't want to destroy anything. Is there any tutorial
on disassemling a 500 series Powerbook? I only found a tutorial on replacing
the RAM. But this isn't too difficult...

Thanks,
Kai


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Re: Powerbook backlight dicussion

[Sionnach Aisling]

Sorry, I saw Kai's original post and then haven't been
following this thread, but I thought I remembered Kai
describing his screen getting dark around the edges
and I didn't take this to mean "getting dark" as in
loss of back lighting... I took it to mean "getting
dark" as in large opaque dark blocks appear on the
edges of the screen/grow into the display field.

Kai, whats going on??  Is it just the backlight?  If
so, I would think you could still make out 'something'
of the display on the dark areas if you looked hard
enough. -Or, are you seeing dark blocks devoid of any
image appearing on your screen?

If it's the dark blocks, I'm doubting the backlight
would do much for you, as most of the time, when I've
seen that, it's been in the display itself rather than
the FL/Inverter or physical backlight bulb.

Again, I haven't been following the thread, so some of
this info may have already been discussed, but if it
were me, diagnosing any type of display problem, I'd
start by removing the LCD case plastic and top cover
and checking the cables where they connect to the
LCD/FL Inverter/and MB...  I'd pay specific attention
to the way the cable routes through the hinge and make
sure it isn't badly kinked or freyed in any way...

Cheers,
Sionnach

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1400c Formatting

[Jeffrey J . Wrobel]

Jordan,
I just finished the same exact thing on my 1400c.  Start up with the OS 
cd (System 9 is what I used), holding the Apple, option, shift, and 
delete keys to force start up from the cd.  Choose CLEAN INSTALL from 
the OPTIONS button window.  This will install a clean system and keep 
your old stuff intact in Previous System Folder.  You may just be able 
to go to the drive before you start up and delete the Multiple Users 
control panel or open it from there and reset it.  Experiment, because 
you can always take the more disrupting step, but you can't undo a 
complete initialization.  Try the least destructive step first, then go 
on until you succeed.  Good luck!

On Wednesday, March 26, 2003, at 12:19  PM, Jordan Gray wrote:

> Hey
>
> I've got a 1400CS that has a password on it's hard drive. I forgot the
> password and can't figure out any way to bypass it, so I figure my 
> best bet
> is just nuking the drive and starting over. Can anyone recommend the 
> best
> way to go about this?
>
> Thanks!
> Jordan


Sincerely,
Jeffrey J. Wrobel, President
Lazarus Communications
"We bring your Mac back to life"
1-401-EVEN GIG


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Powerbook backlight dicussion

[Kai Steinmann]

Again thanks a lot for all that posts about the LCD darkening.

Mad Dog: Do you really want to try replacing the backlight in your Duo 280?
If so, I'm very excited about what will happen...

But I'm a bit sceptical about the backlight theory. But only a bit because I
am far too dumb concerning that LCD stuff to be a respectable discussional
partner. ;-) However. What I have recognized is that the darkening does not
only grow from the left and right borders. It also comes from the top border
(more slowly. but it does). Which is kind of interesting because I don't
think that there is also a backlight on the top of the screen. But ok. Maybe
it is also influenced by the heat of the side backlights... I told you. I'm
quite stupid concerning that stuff.

But I've put a Picture of my screen online. So you can see what I mean.
Unfortunately I have shot this picture too early. So there is only a bit of
the top darkening. But it really gets worse when running the PB540 for some
hours longer.

http://www.webkreativ.de/temp/pb540_lcd.jpg


I think the question that still remains is: Is it the too hot backlight
causing the darkening or the exhausted LCD? And has anyone yet tried to ask
Apple what the problem might be?

Well. A last question: Tom - You wrote that i.e. DigiKey has these
backlights. I took a look at their page but there was only a lot of
confusion for me. Because I have no idea which one might be the right one.
Do you know which backlight I would need for the Powerbook 540? Or does
anyone else? Because if I could organize some. Why shouldn't I give it a
try...

Thanks,
Kai


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Re: Personal LaserWriter troubleshooter on list?

[Mark Kippert]

Sid Barras on 3/26/03 3:36 AM wrote:

> It's been working fine for me that past several months, and it was unused
> before that. 
> I got it with some other stuff, and i don't really know anything about it,
> being my first laser printer of any kind.
> I have yet to find and on/off switch, so I'm  assuming there is not one?
> is there a reset switch? I'm not afraid of opening it up and checking the
> output of the power supply. How do you get in it?
> 
> Is there any safety switches or such that have to be closed for it to come
> on?
> I'm not getting the green light on the led bank on top...
> Any help would be appreciated.

Sounds like you have one of the later Personal LWs.

Maybe a 300 (non-postscript QuickDraw):


or a 320 (postscript):


You might even have that sweet little LaserWriter 4/600 (600dpi):


None of which have a power switch, rather they go into a low power energy
saving mode (sleep basically). To reset you have to just unplug it or use a
LaserWriter utility and reset it from there, but it's never really fully
turned off.

As for what the problem is, I'm afraid I don't have any ideas I can offer.

-Mark


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formating a 1400CS HD

[Jordan Gray]

Hey

I've got a 1400CS that has a password on it's hard drive. I forgot the 
password and can't figure out any way to bypass it, so I figure my best bet 
is just nuking the drive and starting over. Can anyone recommend the best 
way to go about this?

Thanks!
Jordan


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WG: Powerbook 540 Display Problem

[[EMAIL PROTECTED]]

>I have a very strange problem with my Powerbook 540 b/w LCD Display: When I
>start up my Powerbook everything works fine. But after some minutes it
>starts to get more and more black at the borders. So when it's running for
>maybe more than 2 hours i have very ugly dark spots (about 1/2 inch or even
>more) at the edges. To get a blank screen again I have to shut power-down
>the notebook for at least half a day or more.
>
>Thanks,
>Kai

>This problem is seen in several different types of black and white 
>active matrix LCD screens, particularly the Duos.  At this time, no 
>one seems to know what causes it, although it does not appear to be a 
>backlight problem.

>Hmmm  you think its the backlight getting old ?  I remember I 
>tried seeing if the backlight was the problem with my DUo 280, and 
>the light came on at full strength but if you are saying it takes 
>a bit to see.  I will do a backlight swap and see if this works.

>thanks,

>Mad Dog


I think what happens is this: As the backlight ages, its resistance goes
up. Most backlight power supplies are designed to maintain roughly constant
current through the tube, and this helps prevent the light output from
dropping dramatically right away. However, the voltage dropped across the
tube does goes up, so the power dissipated by the backlight also goes up,
making it run hotter. LCD gook is very temperature sensitive, and will go
dark when hot. That explains why only the edge(s) go dark -- they're
closest to the actual tubes, and also explains why waiting some time lets
it work for awhile. I suspect that blowing cool air over the right parts of
the display would allow the PB to run longer before the dark edges appeared.

Of course, I haven't actually tested this theory to any real degree. But as
a proud member of the "often wrong, but never in doubt" club, I don't let
that stop me. :-)

--Tom


--
Prof. Thomas H. Lee
Center for Integrated Systems, CIS-205
420 Via Palou Mall
Stanford University
Stanford, CA 94305-4070
http://www-smirc.stanford.edu
650-725-3709 ph, -3383 fax



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Re: OT Eudora passwords???

[k]

>Kenta,
>"deleting the settings prefs"
>
>Where did you do that? Did you just clear the boxes in the Settings
>or is there a Eudora Preference file somewhere to dump. I couldn't
>find it.
>
>Is it worth going to the Beta version, IYO?

in the eudora folder there is a file called eudora setting - i think 
i moved that one to the trash, but it was a while ago, and NO it 
doesnt help to just rewrite codes and adresses in the settingspanel, 
you need a restart and a freshfile to be created.
it did strike me  that with eudora you should stick with the version 
matching your system, that bugfixesversion  for a g3 will be a bug in 
a PMmac, anyone ?
kenta
-- 

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Re: Personal LaserWriter troubleshooter on list?

[Tina Holm]

At 2:36 -0600 26/03/03, Sid Barras wrote:
>I have yet to find and on/off switch, so I'm  assuming there is not one?

Sounds weird. But there's at least 6 different model of Personal
Laserwriters, we need to know more to be able to help you out.

Tina


*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*^^*
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Links for Peace
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