thing and that if I kept trying it would work.
Yeah, I keep hearing the "Linux will take over the world" mantra and see
no way of reconciling it with things like "Just edit the /etc/sysctl
file" kind of fixes.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consul
!!!
It could be both the installer and the AHT not liking the upgrade just
because it's not original equipment.
Try doing the install from another computer, mounting the PMG4 HD via
Target Disk Mode.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'
lems.
There is, I think, a FW-SCSI adapter but they are rare and expensive.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received this me
he bus will be faster. It will possibly also have large
disk support and probably some other advantages I'm forgetting.
BTW, I take it you have a B&W G3 Tower (Blue and White)?
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a desig
ive instructions on what could be
> left out of the free OS 7.5.5 to make it work like OS 7.1 on low spec
> machines. That's the kind of input we need.
I was looking at some used but not that old X86 computers today with the
thought to getting one to install Linux on. I do have o
bit of work.
> Some chipsets are better for Macs, but I don't remember the details.
Pretty much all the USB 2.0 cards work on the Mac. The problem comes in
when the computer sleeps. Problems range from crashing the computer at
sleep to not being able to access the USB devices afte
y potential data loss / HD corruption if the supply fails while in
operation.
>
> Thanks for your advice and experience.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~
e able to tell me where I can perhaps
> find a replacement fan to replace the broken one, and also perhaps
> have an idea what could be wrong with my system, and why any Mac OS
> version I try running craps out? Thanks!
Try <http://www.digikey.com> and <http://www.alltronics.com>
Charles Lenington wrote:
> Clark Martin wrote:
>> Paul Kemner wrote:
>>
>>> One solution to that, if you have access to a later iMac with a DVD
>>> drive is to put the disk in that computer and install 10.4, then put
>>> the drive back in your
drive, boot that computer
and hold down the "T" key until you get the Firewire "Y" symbol floating
around the screen. Then boot the DVD-less computer and hold down the
Option key. Choose the DVD and click on the right arrow.
--
Clark Martin
Redwood City, CA, USA
Macintos
p when you single click on an item is it selected? Can you
then open it using the File Menu Open command.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~
pples "Tiger can run on a G4 without any
> problems" but a G3 it will run very slow... Can someone help me out here to
> understand what's up???
Tiger runs quite nicely on G3s. I would recommend 512Mb RAM as a
minimum. Generally speaking Tiger will be faster than Panther
t may well be corrupt
and therefore your copy will also be corrupt if so. You are better off
making a clean install to the new drive, installing the apps then
copying your user folders over.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated
J.M.P.Hissel wrote:
> On 28-08-2009 00:23, Clark Martin, cm...@sonic.net, wrote:
>
>> Well, he's clearly booting from the disk via Firewire. But that's okay
>> since an iMac CAN boot from Firewire. It's G3 B&W towers that cannot
>> boot from Firewire
e- all seems well
>> with this. It runs ok till the "Install" section then just sits there
>> with the spinning coloured disk. I've got 10.3 on it at present and
>> I'm using the Easy Install option, any suggestions?
On Aug 24, 2009, at 5:12 PM, yersi...@cybernex.net wrote:
>
> Hiya Listers,
>
> With all the wonderful praise all over this list and the Net in
> general
> I've seen for both Carbon Copy Cloner and SuperDuper, I'm totally and
> completely shocked to say I'm having this problem -- I can't clone
t;> Date: Monday, August 24, 2009, 11:40 AM
>>
>> We have a desk top G4 Quicksilver and want to intall a new
>> 320 GB
>> Western digital hard drive. Does anyone know a site that
>> will guide us
>> through the best way to do this? Is cloning the old hard
>&
research shows
Dual link connectors use additional pin locations in the DVI connector
but are still a single connector.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~--
which I haven't tracked down yet.
I believe that ability came about in a relatively recent version of
HandBrake.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~--
eed USB 2.0 ports to get good recordings from
a TV device.
And make sure you have plenty of storage. I originally had a 60 Gb
drive in mine and it got filled up a few times. It now as a 320 Gb
drive which hasn't gotten close to being filled up.
--
Clark Martin
Redwood City, CA,
and delete the search box, then re-create
it.
I can't give you specifics, I'm not using OS X at the moment.
--
Clark Martin
Redwood City, CA
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received th
ll clear the firmware password. Changing the memory lets the
system know you have physical access to the inside of the computer and
therefore you must be okay, so to speak.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated
#x27;m avoiding using ADC as it's a dead end.
If VGA is acceptable then that is all good. I'm trying to move toward
DVI-I since it will also work with VGA if needed.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Inform
to the insides of the
>> computer? What's the latest OS it can run and how much memory can it
>> use? Thanks
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~-
he TV and computer to negotiate the screen
size and such but it's no more than 20 seconds.
I agree it could be the wrong video mode and using VNC is the way to
check it. If you have a Leopard machine (besides the one in question) a
VNC client is built in. The VNC server is built in to rec
ns appreciated.
>
> Get it repaired and bill the power company. Seriously.
>
> Indeed! A friend in Florida got her computer replaced by the power
> company.
>
> Amanda
> Sent on the Sprint® Now Network from my BlackBerry®
--
Clark Martin
Re
On Thu, Jul 23, 2009 at 11:46 AM, glen wrote:
--- On Wed, 7/22/09, Wallace Adrian D'Alessio
wrote:
>
> Slots clean?
>
> Fully seated card?
>
> Does the B&W have such a thing as a CUDA switch?
> Reset?
>
> Do they boot still with the origin
r, I pressed the power button, and did not
> get power. I know it is not supposed to do this. Any insight,
> suggestions appreciated.
Get it repaired and bill the power company. Seriously.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a
ver doesn't load until later. The OF patch loads before the
HD is accessed. What would happen if, for example, AppleKeyLargo.kext
was stored above 128Gb. Or any other file that needs to load before
that driver.
--
Clark Martin
Redwood City, CA, USA
Ma
from the CD/DVD
again. If it still works okay then odds are you have a problem on the
HD. It could be a bad HD, a corrupt file(s) or some miss configuration.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super
>
Not up on your Chicago history are you Bruce?
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received this message because you are s
the built in ethernet, en1 is the PCI, fw0 is the built in
> firewire, and fw1 is my PCI firewire card.
>>> After it drops off, run ifconfig in Terminal and paste the results here.
I take it the cable was plugged into the PCI card.
Was the network connection working at the time?
manually.
After it drops off, run ifconfig in Terminal and paste the results here.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received th
Stephen Conrad wrote:
> On 7/4/09, Clark Martin wrote:
>> 50% would be an absurd amount. A percentage value isn't relevant, the
>> amount is principally tied to virtual memory which depends on what
>> programs are open. A better figure is to not let free spa
on disk
space until you are really low.
When you get that message the best thing to do is quit the memory hogs
such as Safari, get the disk free space up then see if you can trash
some stuff.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet C
programs are open. A better figure is to not let free space drop below
about 5Gb.
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received th
oked at Bento from Filemaker. I haven't really looked at it
but it's the light weight version of FileMaker Pro.
http://www.filemaker.com/products/bento/overview.html?homepage=bento_overview
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Co
d drive with a message that "you can't install OS
> X on this disk".
Are you sure it's a PPC update? That's the only thing that comes to mind.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I
John Martz wrote:
> On Mon, Jun 22, 2009 at 2:55 PM, Clark Martin wrote:
>> The standard 3.5" & 5.25" drive power connector supplies +12V and +5V.
>> 2.5" drives only need 5V so they would just use that power line. There
>> is no 3.3V line on drive powe
hen
> "everbody knows" it will work. It wouldn't surprise me at all if the
> 12v (and 3.3v) pins on most laptop supplies were open.
The standard 3.5" & 5.25" drive power connector supplies +12V and +5V.
2.5" drives only need 5V so they would just use t
t around $100. One was an HP 1600x1200
monitor, it has three bad pixels. The other is a Dell 1280 x 1024
monitor and I haven't spotted any bad pixels on it. Both have VGA and
DVI inputs.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'
trag wrote:
>
>
> On Jun 19, 12:17 pm, Clark Martin wrote:
>> Bruce Johnson wrote:
>
>>> Well, "Media Computer" is a bit more grandiloquent than "computer
>>> attached to the teevee for the purposes of playing music, watching
>>>
ecording doesn't seem to be affected. It also can't handle recording
HD recording. I'd like to get a Dual Core Mini but I'm not ready to get
a new one and some of those on e-bay are being offered at new prices or
more it seems.
--
Clark Martin
Redwood City, CA, USA
Macint
Bruce Johnson wrote:
>
> On Jun 18, 2009, at 1:48 PM, Clark Martin wrote:
>
>> I have a client who had a, then, not so old PM8500 stored in a San
>> Francisco garage for 6 months. All the bare metal panels were heavily
>> oxidized. And while the computer di
em.
>
> Let's hope yours has only a dead PRAM battery. Got another one you can
> swap in?
>
> -- Jim
I have a client who had a, then, not so old PM8500 stored in a San
Francisco garage for 6 months. All the bare metal panels were heavily
oxidized. And while the computer
Schroedinger's cat.
>
> Or waiting for the delivery (which is normally around 5:30 in this
> neighborhood.) and waiting to get the stupid new media computer set up.
>
> (It's a shiny new teevee I'm waiting for...Costco currently has a
> ganga deal on a 40" LCD TV
insightinmind wrote:
>
> On Jun 18, 2009, at 2:55 PM, Clark Martin wrote:
>
>> Bruce Johnson wrote:
>>> On Jun 18, 2009, at 10:46 AM, Clark Martin wrote:
>>>
>>>>> If you leave it in make sure your electrician
>>>>> gro
Bruce Johnson wrote:
>
> On Jun 18, 2009, at 10:46 AM, Clark Martin wrote:
>
>>> If you leave it in make sure your electrician
>>> grounded your place right because when I moved into this house one
>>> circuit
>>> was not grounded. So
specifying that it's hex or
> ascii key. ISTR you preface the WEP key with $ or possibly 0x to
> specify a hex key.
>
> Look in the manual that came with the card.
That's true with WEP. I haven't encountered any WPA stuff that doesn't
use the same ASCII to he
f you leave it in make sure your electrician
> grounded your place right because when I moved into this house one circuit
> was not grounded. So I drove the stake into the ground myself and rewired
> it.
I hope you are joking, that is NOT how you ground an outlet.
--
Clark Martin
Redwo
Also,
there is no available drive interface. If you pulled the optical there
MIGHT be enough space. You'd need to make your own IDE cable as the
logic board connector is 44 pins, as is the optical drive connector.
Much simpler (and possible) to put a single larger drive in.
--
Clark Martin
R
Al Poulin wrote:
>
>
> On Jun 17, 8:21 pm, Clark Martin wrote:
>> deftone_75 wrote:
>>> Does anyone know if I can add a second hard drive to my emac? It is
>>> 1.25 Ghz 1gb ram 80 gb HD, 10.5.7 usb 2.0 superdrive model. Thanks so
>>> much
>> You
to replace the 80Gb
with a much bigger drive.
I recently had to replace the HD in my Mini. When I looked around I
found a 320Gb drive for something like $80 and that is for a laptop
drive. So instead of adding a drive just replace it with a big enough
drive.
--
Clark Martin
Redwood City, CA,
MaGioZal wrote:
> On 6/16/09 1:44 AM, Clark Martin at wrote:
>
>> Beige G3s and B&Ws don't sleep.
>
>
> What? But what happens when I hit the choice "sleep" trough the power buuton
> of the keyboard?
The display sleeps but not the computer.
G4
MaGioZal wrote:
> On 6/16/09 1:13 AM, Clark Martin at wrote:
>
>> I've heard reports the NEC chipset doesn't have a problem but apparently
>> that isn't (always) the case.
>
>
> MmmmŠ wird. My G3 here also sleeps well. Better than me, in fact...:-P
B
a PPC Mac got the "Install and Keep
> Package" option of Software Update to work?
Try doing download only. After it downloads you can save the files
where you want to then tell it to install the files.
A lot of updates show up as folders with a package file (and others) insid
or after it sleeps.
I've heard reports the NEC chipset doesn't have a problem but apparently
that isn't (always) the case.
As far as I've found out, the only options are to restart the computer
before using the interface or to set the computer to not sleep. Note
tha
t's time for me to get a new one?
>
> Question: if it takes me awhile to replace the optical drive so I can
> use my Tiger DVD again, and I suspect it might, will booting from my
> Panther CD allow me to use Disk Utility to format/partition an external
> and two internal HDs if I
Dan wrote:
> At 10:36 PM -0700 6/13/2009, Clark Martin wrote:
>> Dan wrote:
>> > Daisy chaining power strips is a political issue - between you, the
>>> size of the circuit breaker in the garage, and your fire insurance.
>> That isn't a big deal eithe
Stephen E. Bodnar wrote:
> Clark Martin wrote:
>> At the school I worked at we had a local fire marshall come through and
>> they had no problems with daisy chaining power strips but wouldn't allow
>> any power strips hanging off an extension cord (which carries the
wire Drive, which your Mac could boot from.
>
>>
>> Also, does the MDD have USB 1.0 or 2.0 ports?
>
> 1.1 I think
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-
ght
to have a DVD drive (that can read DL) in it.
>
> Also, does the MDD have USB 1.0 or 2.0 ports?
1.0
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~
t since they were public buildings they were exempt.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received this message because you are s
on.
But you really only need one surge supressor, plugged into the wall,
first in any chain.
For the most part people get overly concerned about surge protection.
Switching power supplies are fairly robust.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a
aid,,, a snapshot of a window doesn't mean much.
>>
>> - Dan.
>> --
>> - Psychoceramic Emeritus; South Jersey, USA, Earth
>
>
>
>> Sorry about that, it was meant to illustrate the fact that my Intel
>> iMac will not support AppleWorks 6.
Apple
On Jun 9, 2009, at 2:09 PM, greens...@care4free.net wrote:
>
> After trying various distros I now have Open SUSE 11 running on my
> G4 450
> Mhz - once I formatted the partition to Unix it all installed
> smoothly.
> However, on attempting to set up broadband I find that my ethernet
> is n
On Jun 9, 2009, at 5:24 PM, Kyle Hansen wrote:
>
> On 6/9/09 1:56 PM, "Dan" Broadcast into the
> ether:
>
>>
>> hum. Looks like Apple has ripped out the rest of AppleTalk from
>> Snow Leopard?
>>
>> So no more using AppleTalk printers etc...
>>
>> - Dan.
>> --
>
> It's been Ron-Day-Voo an
On Jun 9, 2009, at 3:42 PM, Ernest L. Gunerius wrote:
>
> I got as far as "If it still boots onto OF after that, unplug every
> device but the
> keyboard mouse and monitor, if it STILL boots into OF try a known good
> keyboard and mouse".
>
> Now I have to borrow a known good USB Keyboard.
Try
of the rare cases when it might work.
I've been amazed at the things some people have recommend these fixes
for. It just shows they don't know what is happening inside.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the
y.
In any event, if you have the Display Menu enabled you should get the
"Detect Displays" command at the top of that menu. It will make the
computer recheck for connected displays as it does at startup.
--
Clark Martin
Redwood City, CA, US
Startup disk but it
couldn't be started up from that card.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received this message because you
e trash until I've tested everything out. If it's a
more complicated set of files I'll create a folder on the desktop and
duplicate the folder hierarchy in it move the config (and other) files
in there. This way I know where to put the files back if needed.
--
Clark
n as
I reassembled it I ran my hand over the page to make sure no screws were
left on them.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You
ivery mechanism getting the drive to the end user.
That may be an issue with delivered HDs in general but the Seagate
problem is definitely a problem with their firmware.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Informatio
That is not what I found in researching it, it was the drive themselves
that had the problem as did the firmware update for the drive.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~
;s
a long time). With HD manufacturers the list is too small, I'd
eventually run out.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
Yo
and all), or is the computer copying
> procedure suspect?
I've copied MP3s from and to my file server lots of timee and I don't
recall any case of file corruption. This is using normal Finder file copy.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
&
and the computer) can dole out 400mA to 1-4 ports on the hub.
But if the hub is powered every port can use up to 500mA. If you branch
out from the computer port using powered hubs you can go up to 127
devices. I believe each hub counts as one device in that total.
There are 7 port USB hub
you get this from? Are you saying a 7 port hub isn't really a
7 port hub? You can use up to 127 devices on a given USB port using
however many hubs it takes to provide that. Not that I'd recommend
going anywhere close to that many.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Int
t a pci card are they specific to the platform (i.e. mac/pc)
> or will any usb pci work on a mac?
PCI cards can be problematic. I haven't found one yet that works
through a sleep cycle. On the plus side I think any current PCI USB
card will work.
If 2.0 isn't an issue then a hub is
PeterH wrote:
>
> On May 16, 2009, at 11:13 PM, Clark Martin wrote:
>
>>> They either have one and only one horizontal sweep frequency and one
>>> and only one vertical sweep frequency, or they have sets of
>>> horizontal and sets of vertical sweep frequ
PeterH wrote:
>
> On May 16, 2009, at 8:43 PM, Clark Martin wrote:
>
>> CRTs have no inherent resolution ...
>
> Sure they do.
>
> They either have one and only one horizontal sweep frequency and one
> and only one vertical sweep frequency, or they have sets
dorayme wrote:
>> From: Clark Martin
>>
>>
>> dorayme wrote:
>>> At long last, I got a better card than the original that came with my
>>> QS 933, clearing the way for me to get a bigger screen.
>>>
>>> But one thing that is puzzlin
Ds, however.
Other way around. CRTs have no inherent resolution, LCDs. LCDs have an
exact number of pixels, x and y. CRTs can display pixels over a wide
range and frequently their highest possible resolution isn't their best
resolution. And which resolution is best is dependent the us
ht need to get software from the card manufacturer's
> website. I recall the twin turbo software from that old chestnut card
> on my 7300, able to deliver different resolutions...
Without check the manf data you'll never really know if the card is
outputing the maximum resolutio
Bruce Johnson wrote:
>
> On May 10, 2009, at 10:29 AM, Clark Martin wrote:
>
>>> Anyway, Cox readily provides their SMTP address and I'm up and
>>> running.
>> You're better off enabling authentication. It will work whever you
>> are
>&g
On May 10, 2009, at 6:37 PM, Cliff Rediger wrote:
>
>
>
> On May 10, 10:29 am, Clark Martin wrote:
> .
>>
>> You're better off enabling authentication. It will work whever
>> you are
>> at and you won't have to keep changing your settings.
Cliff Rediger wrote:
>
>
> On May 9, 9:15 pm, Clark Martin wrote:
>> You need to check your ISP's web pages for instructions on how to do it.
>
>
> Thanks for all the prompt responses.
> I suspected the solution but was puzzled that I don't have to us
ustomers and they'll allow the connection.
You need to check your ISP's web pages for instructions on how to do it.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~--
insightinmind wrote:
>
> On May 7, 2009, at 7:46 PM, Clark Martin wrote:
>>
>> I also have a QS with a 320Gb PATA in it.
>
> I can't seem to find these (PATA drives by Seagate). Any hints where
> to look these days for PATA or IDE Seagate 7200.11s?
>>
#x27;ve opted to avoid Seagate until they get their
act together (and then a while). I got a 1 Tb Hitachi from OWC.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---
starrf...@valley.net wrote:
>
>
> On May 6, 1:08 pm, Clark Martin wrote:
>> starrf...@valley.net wrote:
>>> I'm running an ATI 9800 Pro Mac Version in a Quicksilver. Usually I
>>> have two LCD monitors on it, but once I used the TV output for a
>>
e then
open it again, un-check the checkbox and close the pane again.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~~---~--~~
You received this message b
k Pro says it will do -R DL (as well as thsoe above).
I have burned DL disks a few times but I don't recall what media I have.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~
r pulling when the 68000 machines were cut off.
And when the 68K machines were cut off
And when the NuBus based PPC machines were cut off.
and so on...
The amazing thing is the people who still have enough hair left after
all that to pull out over Snow Leopard.
--
Clark Martin
Redw
sine wave. Motors and transformers aren't so good on the
modified sine wave but can tolerate it to some extent.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
--~--~-~--~~
Justin The Cynical wrote:
> Clark Martin wrote:
>> Bruce Johnson wrote:
>>> On Apr 29, 2009, at 6:58 PM, Paul wrote:
>>>
>>>> .I had been reading about how UPS's in general don't provide
>>>> very good quality power in a blackout,
>&
; we just keep buying new
> batteries for them as they wear out (they're good for powering phone
> closet equipment like switches as well.)
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway
produce a true sine
wave output but they cost about 2-4 times as much as square wave units.
The modified square (sine) wave UPSes produce both peak and RMS voltages
that (roughly) match the line voltage. Switching power supplies are
affected by the peak voltage. Lamps are affected by the RMS voltag
t
want the UPS to do a controlled shutdown or to work through the outage.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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