Re: Any fix for Safari slow-downs?

2011-04-08 Thread Tom
Thanks for the help, guys! I've never used the System Monitor to see
what's going on, Andreas, so I'll have to figure out how to do that
next time the slowdown happens. I'm not much of a power user. I wonder
if that's the thing called Activity Monitor in the Utilities folder? I
tried it, and it's an interesting display, showing real memory,
virtual memory, etc. I'll put it on the dock, and launch it next
time I have a Safari slowdown to see if I can get a clue as to the
cause. Just watching it as I go from website to website, it seems to
vary between 60 and 90 MB of Real Memory.

Good to know that quitting and restarting Safari will fix things,
though, at least temporarily. I'll try that too, the next time the
trouble occurs.

Yes, this Mac is online all day, and it seems to be a progressive
slowdown as the day goes on. I don't know what a memory leak is, but
I'm not keen on the idea of leaking anything. Sounds like this kind of
leak is not something easily plugged.

I went and got Click to Flash and installed it in Safari. So far, so
good, no slowdowns since I installed it, and it's interesting to see
Flash items being blocked by flat gray icons. Thanks for telling me
about that, Bruce. I'd never heard of it before.

Best,

Tom

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Re: Any fix for Safari slow-downs?

2011-04-08 Thread Bruce Johnson

On Apr 8, 2011, at 2:23 PM, Tom wrote:

  I don't know what a memory leak is, but
 I'm not keen on the idea of leaking anything. Sounds like this kind of
 leak is not something easily plugged.

A memory leak is a byproduct the way computer programming works.

In extremely simplified layman's terms:

Every time you ask a program to do something (create a new document, display a 
web page, try to blow up an alien in a game, etc) it needs to make an object in 
the computer's memory to hold that stuff and any data associated with it. To do 
this the program has to ask the OS for some memory space to do it. 

When you're done with the something (save and close the document, quit that web 
page, blow up the alien :-) that memory is no longer needed to hold anything. 
In theory, the program is supposed to tell the OS Ok I'm done, I don't need 
this memory space any more., and the OS releases the memory back into the pool 
of available memory.

In practice, programs fail to do this, forget to do this, or don't get around 
to doing this. So the OS has no idea that the chunk of memory it gave the 
program is no longer in use.

In some cases the program DOES tell the OS to release the memory, but something 
else says No, wait a minute I'm still using it! 

And in others the program simply doesn't tell the OS about all the memory it's 
actually using for the object.

While any single instance of this is not large, over time these lapses add up. 
The PROGRAM thinks it's done with the memory, the OS doesn't think so, so it 
sits there, unused and unusable. This is what's happened when you've been 
running Safari (and Flash, apparently) all day long.

When a program quits, ALL the memory in use by it is released and freed, 
whether or not something else thinks it's using it, which is why it works to 
quit and restart Safari.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs


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Re: [G3-5]Re: Using HD 128GB in G4 Macs!

2011-04-08 Thread MaGioZal
I would like to ask: it wouldn't be much more simple nowadays to buy a
PCI-ATA card and attach the   128GB HD to it?
 




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MaGioZal.
http://fotolog.com/_magiozal/


On 4/6/11 6:43 PM, Paul Stamsen at paterfami...@gmail.com wrote:

 Previously, at 8:22 PM +0200 4/6/11,  as Mac User #330250  so eloquently
 wrote:
 (snip)
 The chief danger in that script is that if you do an OF reset you
 will lose access to the part of the drive above 128Gb until you
 re-activate the script.
 
 
  Sorry, I missed that. How again?
 
 No danger if the first partition is the boot partition and is limited to the
 size if 128 GB. Just don't use Disk Utility on it and you cannot do any harm
 to the other partitions that won't be visible until you've reset the OF hack
 and stored it in NVRAM again.
 
 If you keep your current 128Gb partition that will
 still be available, just any new partition you create will not be
 available.
 
 Exactly!
 
 You might want to create a small unused partition, one that
 spans the transition point then create t third partition that uses the
 remainder of the drive.  The transition partition insures that no part
 of the third partition is available to the OS if the OF patch is missing.
 
 Worth thinking about, yes. If your fist partition IS exactly the 128 GB
 limit,
 you don't need this though.
 
 If part of it was accessible there is the possibility of it being
 corrupted.
 
 Yes. In such a case: avoid using this partition until the OF hack is
 restored.
 The danger is of course that OS utilities such as spotlight will write some
 data to the disk without you recognizing it. It will propably span over to
 the
 first partition and corrupt its data. DANGEROUS!
 
 It's hard to say what the OS or any repair tools might do to a
 disk that is only partly visible, it may attempt to repair the problem.
 
 Yes.
 
 
  Thanks,


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Re: [G3-5]Re: Using HD 128GB in G4 Macs!

2011-04-08 Thread Yersinia

On 4/8/11 10:46 PM, MaGioZal wrote:

I would like to ask: it wouldn't be much more simple nowadays to buy a
PCI-ATA card and attach the128GB HD to it?





Actually that's what I did when I bought two internal 250 GB HDDs for my 
G4 Quicksilver 867 but I haven't actually asked my boyfriend to perform 
the installations yet


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Re: [G3-5]Re: Using HD 128GB in G4 Macs!

2011-04-08 Thread Valter Prahlad
Il giorno 9-04-2011 4:46, MaGioZal ha scritto:

 I would like to ask: it wouldn't be much more simple nowadays to buy a
 PCI-ATA card and attach the   128GB HD to it?

Well, it could be. But, what if...

- The Mac has no PCI slot? (Or no free slot)
- Owner doesn't want to open the computer?
- Owner doesn't want (can) to spend any more money?

Besides, this hack is really simple, much simpler than installing a PCI card
and re-routing the HD.

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Re: Using HD 128GB in G4 Macs!

2011-04-08 Thread Valter Prahlad
Il giorno 6-04-2011 20:47, Mac User #330250 ha scritto:

 I wonder... if I'll use the script and enable the 48bit LBA, I think Disk
 Utility will then show the unused portion of the drive.
 
 No. 
Actually, it does. :-)
(I'm on a PowerMac G4 DA with 10.4.11 - 250MB WD HD)

After using the script (and rebooting), Disk Utility shows (in the Partition
tab) a new 104,89GB free space area...
but I can't do anything with it. :-/
(perhaps because that's the boot drive)

 But you may be able to create a partition in the remainder of the space
 when you boot into Leopard¹s installation application and try the Disk Utility
 from there ­ you'll have to use the OF hack for this to work.
Booting from Tiger install disk, yes, Disk Utility lets me select the free
space and the Partition button is enabled. Brilliant! :-D

But... now I'm afraid that partitioning the new disk area could alter the
existing partitions (I like them, I already have 5 partitions on my boot
disk :-).
I know it shouldn't happen...


Il giorno 6-04-2011 19:47, Clark Martin ha scritto:

 I believe you will lose your data when you re-Partition.
 
 Not if you are just adding partition(s).
... but better safe than sorry! ;-D

So I'll take the time to do some heavy backup, before partitioning the new
HD space.

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