Power Supply "Powered-Off" State

I have power supplies in Slot 1 and Slot 2.
Both power supplies show fully operable (power, voltage, etc) in details, however the Slot 1 power supply shows "Powered-Off"
I have tried both N+1 and Non-Redundant power policies.
Thanks for help in advance.

Should be Non-Redundant with only 2 supplies. Once selected try to re-acknowledge the chassis. I was set these global polices first off, power and uplink # and save, acknowledge and allow time to discover and update. What rev you using ? Not sure of exact rev's but saw several power supply and fan bugs resolved in newer 1.4(3) code.

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I want to give my iphone to my freind and thus I tried to Erase all contents and reset everything. I went settings-general-erase and reset. But while it was being processed, power supply went off. I have connected back to power but after 4 hours no repson

Can anyone advise me how long does it normally take to reset while doing- settings-general-erase and reset all settings.It has already taken 4 hours and only the apple logo is being displayed yet. I am little bit worried if the operating system will not be restored.

Use the following steps to place your device into recovery mode. If the device is already in recovery mode, you can proceed immediately to step 6.
Did you do this?
Disconnect the USB cable from the iPhone or iPod touch, but leave the other end of the cable connected to your computer's USB port.
Turn off the device: Press and hold the Sleep/Wake button for a few seconds until the red slider appears, then slide the slider. Wait for the the iPhone or iPod touch to turn off.
If you cannot turn off the device using the slider, press and hold the Sleep/Wake and Home buttons at the same time. When the device turns off, release the Sleep/Wake and Home buttons.
While pressing and holding the Home button, reconnect the USB cable to iPhone. When you reconnect the USB cable to iPhone, the device should power on.
Note: If you see the screen pictured below, let the device charge for at least ten minutes to ensure the battery has some charge and then start with step 2 again.
Continue holding the Home button until you see the "Connect to iTunes" screen. When this screen appears you can release the Home button:
If necessary, open iTunes. You should see the following "recovery mode" alert:
Use iTunes to restore the device.
If none of these works, visit your nearest Apple Retail Store, Apple Authorized Service Provider or wireless carrier.
Cheers!

System crash when DAQmx call to USB DAQ device is powered off

My PC crashes when I attempt communication with a NI DAQPad 6015 USB device which is in the powered off state. I am attempting to add error handling to my LabView application to cover the above condition, however, instead of receiving a error message, my PC crashes. When the device is powered on, my LabView routine works properly. I created the vi using the DAQmx DAQ assistant for a simple analog read from the device. I want to add the potential error handling condition to cover the case in which a user may attempt to run the software without turning on the device. When I attempted to run my vi twice with the device powered off, my PC crashed both times. The 2nd time, during reboot, I discovered that MAX was corrupted and had to repair using the installation CD.
I am using LabView 7.1 with DAQ 7.4 on Windows 2000.
Is there a known fix or workaround to this issue? Or is there a way to detect the presence of the device first before trying a DAQ read?
Thanks,
Joel

Thanks very much for both your responses. I tried it again, but as you suggested, I used one of the example vi's. I chose the following:
Acq&GraphVoltage-IntClk.vi found within: Hardware Input and Output >> DAQmx >> Analog Measurements >> Voltage
I first tested the example vi with my DAQPad-6015 powered on. The vi successfully ran without error. I then turned the DAQPAd power off and ran the vi again. My system immediately crashed leaving me with a blank screen (with streaky lines) and forcing me to reboot. After reboot, I discovered that I can no longer open any of the DAQmx examples that are compatible with the DAQPad-6015. All are corrupted. Curiously, MAX was not corrupted again. I will have to re-install all examples and possibly LabView itself.
Based on your feedback, I am guessing you will tell me that repeating the above on your system will simply produce an error message, as expected. It appears that I may have a fundamental incompatibility between my specific system hardware and DAQmx/LabView.
Regards,
Joel

Power Supply Question/Problem

From the specs in my profile, do you guys think i have a power supply powerful enough? I belive my +12 rail is to low for my system. is it possible that my system is running at half performance? what is the minimum power requirements for my system?
Thanks in advance.

Quote from: Koopie on 05-March-06, 04:50:59
Yes i know its risky but i have my fans spinning at half power so i turn then on full power when i'm in playing games. Thanks for all replies
half power -> full power? That means it consumes MORE current. The fan is also powered by +12V, you're taking some more 1~2% off the input power required by the CPU!
Somemore, overclocking has no promises everything works fine. It could be the RAM gets corrupted, the PCIe bus gets corrupted, or the SATA bus gets corrupts etc.
It's not that we're trying to blame on you for overclocking. This is just a matter of fact. You may try not to overclock and see if your system is stabler. You could also increase slightly your Vcore and also DDR for better stability.
Run Prim95, Run memtest86. See if your system is truly stable.

Compact FieldPoint power supply

I have a cFP-1804 network module for and one 24V-5A QUINT POWER supply for my project. A cFP-DI-304 Digital input will be connected to the network module backplane, of course with its connector block. Does the power supply powers up the complete netowrk module with the digital I/O module(s) connected to the backplane? or the power supply must also be connected to the digital module through its connector block? I expect that supplying power just to the network module is enough, but this is not very clear to me from the user manuals that come with the eqquipments.

I have a cFP-2120 controller with a cFP-DIO-550 and it was necessary to supply 24V power to the module as well. But that was for the digital outputs.
I found the manual for the DI-304 on NI's site. http://www.ni.com/pdf/manuals/374168a.pdf It does not appear to require the voltage be applied to the module.

DFM - Power Supply Failed Detection on 4500s

Running DFM 3.2.0 under LMS 3.2 for Windows 2003 Server Enterprise.
DFM has been pretty good about detecting power supply failures but recently I came across one power supply failure it didn't detect. This was on a 4506 running cat4500-ipbasek9-mz.122-53.SG.bin. Could there be a bug in detection of power supply failures with this firmware version?
Also, polling for power supply failures a configurable option in DFM?
Thanks,
David

Yes, the device is known in DFM (I did a re-import just in case)
Device Status             = Known
Device Type               = Switches and Hubs
Aliases                       = N/A
Containments              = N/A
DFM Processing          = Active
Time Last Discovered = 01-Feb-2010 12:28:43
Import Time Stamp       = 01-Feb-2010 12:19:56
    *** Data Collector Status Information ***
Error Code                   = N/A
Error Message             = N/A
The power supply condition isn't reflected in the alerts.
Could it be that if the power supply is off to begin with when it does it's discovery, it doesn't register an alarm?

Wake on Lan from Powered Off

Hi,
Is it possible to Wake on Lan from a powered off state?
I have a new iMac running Snow Leopard 10.6.5, with an ethernet cable attached.
Thanks.

No, the iMac will only "wake" from sleep.
Regards,
Captfred

HT1766 Hello there, started to sinc my iPad 3 to my iPhone 5 with iCloud and a lot off the items did copy over, I was connected to a power supply but for some reason it's still missing half the items and I am struggling to retrieve them can you help pleas

Hello there, started to sinc my iPad 3 to my iPhone 5 with iCloud and a lot off the items did copy over, I was connected to a power supply but for some reason it's still missing half the items and I am struggling to retrieve them can you help please.
Thank you Callum Gordon

Well the term "hotlined" I have never heard before. In any case many states (like NY) just passed regulatory powers to the State Public Service Commission of which it may be called something different in your state. You could file a complaint with them. Or file a complaint with your state attorney generals office, they also take on wireless providers.
The problem here is the staff you speak to are poorly trained, in days gone by it took one call to them and they pulled up your account and see the error and had the authority to remove any errors. They did not remove legitimate account actions, but used their heads instead of putting a customer off or worse lying to the customer.
Its a shame you have to go through what you going through.
Good Luck

MaxDB in strange state after power supply blackout

Hello DB specialists,
I'd like to ask if anyone has faced similar problem as we do. We had a power supply blackout in the server room and one of our UPS didn't survive. Two servers went down immediatelly - lusckly both ofthem for training purposes. When we restarted them and started all SAP systems everythink seemd ok. But after couple of days we realized, that SolMan system contained old license, which was renewed nearly a year ago. When we logged to the system, we realized that the DB is in state of more than year ago. It appears like after the DB restore.
We localized some strange files in /sapdb/data/wrk/<SID>/DIAGHISTORY from the time of restart after the power crash.
My question is - might it be, that the DB rebuilt itself to some previouse state after the system crush ? And if so - is there any way to restore the last state ?
Thank you for your comments in advance.
Best regards
Tomas

>
Tomas Toth wrote:
> But I think .. even OVERWRITE LOG mode would cause the same problem .. or does it not ?
>
> I remind that we are talking about non-production system, the system is used for demo purposes and there are not many changes there.
>
> Thx.
> Tomas
No, it won't.
The key point here is, that log mode OVERWRITE still lets the logwriter do its job and with that the automatic savepoints do occur.
It's just that the written log data is not kept from beeing overwritten without having a backup for it.
When you crash such an instance it will startup from the last written savepoint which is likely <=10 minutes away. And depending on your log data state, all other changes made after this are still in the log volume.
So it's quite a good choice for situations where you don't really need everything to be recoverable up to the latest minute. For example demo systems or training systems could be a use case.
LOGWRITER OFF on the other hand completely disables the log writing and by that also the automatic savepoints.
regards,
Lars

Powering down display with external power supply

I am using a 23" display with an old PowerMac G4 from 1998 with an upgraded video card and external power supply.
Is there any way to power off the monitor without powering down the computer? Ideally I'd like this to happen automatically based on my system prefs, but apparently the external power supply precludes this.
As a "workaround", I've created a screen saver that displays a black image. Does this actually save any energy and/or extend the life of my display?
Thanks,
- Michael

Hi Michael,
Welcome to the discussions.
You can install an on-off switch on the power lead to the external power supply (actually, it's safer to have a qualified electrician do this, as you are dealing with a mains power supply). I have this system for my ADC 15" Display, and it works fine.
A black screen saver will not extend the life of your monitor. Screen savers were meant to mitigate the "burn in" effect that happens with CRT displays (and which doesn't happen with LCD displays). If the display is still on, the backlights will still be functioning and they are the finite life component of the LCD display that you need to look after. Also, because the LCD's themselves use so little energy, there will not be much energy saving.
It's more appropriate to "sleep" the display. You can do this (via Energy saver settings in System Preferences) without having to "sleep" the entire computer. This will turn off the backlights and significantly extend the life of the display.
(I'm presuming you are using OS X - you haven't supplied any details regarding your system. :))
Cheers!
Karl

KT4 Ultra Powers Off within Seconds of Power Up

Ok, here's the situation... this board powers down everytime within seconds of powering up, usually even before the video card can POST, although I have seen it POST a couple times.
I believe I've ruled out every possibility but the board... I've got the board out of the case on it's box, and the only thing connected is the CPU, the video card, the power switch cable. and a CPU fan, which is using the power supply for power, not the board.
I have tried 2 different power supplies, 2 different video cards, 2 different processors, 2 different power cords, 2 different outlets, and using the reset button to power the board up (in case the pickup in the power switch was sticky). I've tried 2 different RAM modules, as well as removing the RAM entirely, and clearing the CMOS... everytime, it's the same result, it powers itself off right away.
I know everything points the board being bad, but I had an ASUS board that was doing this identical thing because of the thermal protection circuitry, I could clear the CMOS to get to the BIOS, and then disable thermal protection. It doesn't look like that's going to work here, but I thought I'd post this anyway, and see if anyone has any suggestions...

Ok... well, I feel a little dumb admitting this, but I suppose if it helps someone else down the road, it's worth it.
Problem solved... and the resolution was so simple I wouldn't have believed it if I hadn't just seen it. I cleaned off my heatsink, and the cpu core, and reapplied new thermal grease to both, then made sure the heatsink was fit as tightly as I possibly could... and voila... no more problem.
I will admit, that the heatsink I was a Swiftech unit off an old Duron CPU, and in my haste, I didn't clean it before using it again. I never imagined that these things could overheat so quickly, but let that be a lesson to those of you like me who haven't built a machine in the last 2 years or so. I guess the heatsink working was just something I took somewhat for granted.
Thanks to those of you who took time to try and help... hopefully my lesson will help one of you.

Power supply vs. logic board? turns off in sleep mode.

My imac g5 (2004 - 1st generation?) is either turning completely off or going into some un-wake-up-able mode after it's put to sleep. (I have to switch off/on the power strip and turn the computer on all over again.) And sometimes if it's sleeping (power light pulsing on front) it may or may not wake from sleep by pushing the power button. Often touching a key in that circumstance will cause it to crash, so I've quit using that altogether as a method of waking it up. I've reset the SMU a number of times throughout the past few months and it has not cleared up this problem.
Last night after I put it to sleep it switched in to the un-wake-up-able mode. I could still hear something running (not a fan, just an electrical hum) where it seems like it's crashed and can't shut itself off. I had to turn off the power and try to turn the computer back on. It wouldn't respond the first couple times. Then the power light glowed for a while but it still didn't turn on completely. After a few more minutes I tried again. Maybe I held the power button for too long, but I heard a long single beep, the fans whirred, and then everything started up as usual.
I've read a number of threads seemingly related to these issues, but am now not clear about whether this is a power supply issue or a logic board issue. I have yet to open the back and check for bulging capacitors. Just thought I'd ask here first.

I am having a very close issue too (posted also in a more recent thread about power button not functioning). My old iMac G5 20 inches got a power supply that went bad two years ago. I had it replaced and all went fine until two weeks ago.
My wife was using it, while I was away: machine shut down with a 'pop!' sound.
She tried to start it up again, but after pressing the button a couple of times - the last one longer - she had a long strong peep. The machine went on for a while and then off again. Scared, she left it off.
After checking, no reported issue seems to fit to the problems shown: power supply is working; logic board too. The machine is working fine, but on sleep, it dies out. While doing tasks, at undetermined times, it shuts down with a 'pop!'. Sometimes you can restart it immediately. Sometimes you can't and have to wait one or more hours. No evidently bad caps on board, led check returns 1 (no 2 flashing or attempting to turn on) with dead computer, otherwise all working fine. Hardware test also passed. Console messages have nothing relevant or clearly understandable to offer.
Still can't figure out a solution. Many user are pretty fast in suggesting to bringing the machine to Apple. Unfortunately not all around the world we have/need cars. And getting the 20 kg of iMac by feet/metro to the shop it ain't such a nice walk. When I fried the power supply, there was no sufficiently large box on sale to pack the computer and have it send to the shop. I had to wait for the technician - on a convenient day - do drop by and take it (and he knew he was going to repair it)!
Will post, if I have further developments.

Does using two bus powered external devices MacBook Pro 13" put too much strain on the power supply?

Will daisy chaining two bus powered external devices put too much strain on my 2011 MacBook Pro 13" power supply? Specifically I would like use ProTools with a LaCie bus powered hard disc and a Digidesign Mbox 2 Pro which is also bus powered with firewire.

Hi rrlavigne,
The biggest difference between the two machines in maximum RAM capacity. The white MacBook is limited to 4GB, whereas the MacBook Pro will support 8GB of RAM. While the cost of RAM is prohibitory right now (to go to 8GB), to have that flexibility in the future will very much be worth it... especially considering you intend to install Logic.
Other than that, I think in terms of "raw performance" the machines are very equally matched. You're paying for the unibody design, backlight keyboard, SD card and new battery technology for that $200 premium (in addition to the slight CPU bump).

Can my USB Drive be configured to power off when the iMac is powered off?

I am using a Lacie 500GB external USB drive. The drive remains powered on when my iMac is powered off. Is there any way to have the drive automatically power off?

Hello Jack
The s.o.p. for shutdown should be to eject the drive, turn it off then shutdown the iMac. The s.o.p for startup should be to startup the iMac then turn on the external HD. Many external HD manufactures do support a sleep function that allows the drive to sleep when the iMac is sleeping.
Dennis

G4 just replaced power supply , it powers up , but the screen is not on and the mouse and keyboard aren't on either. A few times the computer came on with screen working but then it froze up, can't do any type of reset cause of keyboard not working. Help!

G4 just replaced power supply , it powers up , but the screen is not on and the mouse and keyboard aren't on either. A few times the computer came on with screen working but then it froze up, can't do any type of reset cause of keyboard not working. Help! Pressed pmu button already, nothing ,.. Ppc g4 Mac

Should I check the memory cards themselves? Reseat them?
Yes.
Memtest X or Rember to test the RAM.
Reseat is also good.
The iPhone 4 doesn't like USB 1.1 much.
after the update the computer was working well, except for this freeze when ever I connect iPhone.
I'd try USB 2.0 PCI. That's how I connect my iPhone 4s, and have connected all iPhones and iPods, to my G4.
Never an issue.
Can't say the same for USB 1.1.......
The above (previous post) linked PCI card is cheap enough.
Want cheaper, try this:
http://www.amazon.com/Protronix®-5-Port-Controller-Card-Chipset/dp/B005JE2U82/re f=sr_1_2?ie=UTF8&qid=1337472141&sr=8-2
The NEC chipset is the desired chipset, regardless of what OS the maker says is compatible.
OS X has native NEC chipset USB support.

Power Supply "Powered-Off" State

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