2253iX California Power Supply USB Communication Issue FIXED

I figure I would post this in the event someone else runs into the same issue.
When trying to communicate to an 2253iX California three phase power supply through USB using labVIEW, it would always fail in the initalization block, when asking the unit for the model ( *IDN? ). The display on the instrument would display Error -113 "Undefined Header" Turns out the USB Com port driver doesn't work when registered as COM9 or greater. It has to be COM0 through COM8. Uninstalling a device in that range and reassigning the power supply's COM fixed the issue.

not surprising...
I have been using California Instruments 5001iX AC source and 3091LD AC load for years and communications (RS-322, GPIB, USB) have always been hit and miss when answering an *IDN? query.
Even the newer series 2 models have these issues, but seemingly only with *IDN? query.
I just put a loop in to query it several times before giving up.
Also I have found Ci's set of IVI vi's are usless crap and have made my own using SCPI that work a lot better.
What really makes me sad is Ci is still far superior than Elgar when it comes to AC power sources.

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Dv7-2185dx Power supply and Fan issues

A little while ago, my fan started making ridiculously loud noises under normal operating. It sounded as though it was possibly grinding on something, and as my notebook's warranty expired some number of months ago, I decided to take it apart myself and try to diagnose it.
In the taking apart process, a bit of an issue happened, and long story short, two cables got pulled from their white jack head. It was part of the power supply ( hp spare part # 536857-001), that had two parts that went into the system board, the top of which had a six pin jack head, and the bottom of which had a two pin jack head (with a red and black cable. When I searched online for replacements, they only seemed to have the top half of the power cable, and not these other two mysterious wires.
After trying to set the wires back in and putting the computer back together, I managed to boot the machine up with essentially no problems. However, this only lasted a short time in testing, because when I moved the computer back 10 feet to my room from the table I was working on, the screen would no longer power on. So I began re taking apart the computer, and found out that the computer will still power on without those two wires in, but the screen appears to be completely off. Not even just the back light failing, but the screen seemed to be completely off.
So this leaves me with a few questions that hopefully someone can answer.
1) What on earth do these two wires do or power?
2) What is the best way to repair the wire?
3) I'm pretty sure that the red wire is on the left side and the black wire on the right side, but can anyone confirm that?
4) Has anyone had any similar issues with the fan? I'm assuming I'm going to have to replace it, but I don't really know.
Thanks in advance,
Matthew Nickolai
(photos incoming as soon as I can find a cable to connect my camera to my computer)

What is the real name to that part??? except my laptop is the dv7-2180us but i think our plugs are probably similar. Mine has a short and I tried to order it but ended up only getting the bigger plug instead of both of them. The part number you listed was the one that I ordered but its not the one that goes in my laptop. The pre sales support told me to speak to a technician but since mine is no longer in warrenty I have to call and more then likely they'll charge me or ill get some person I cant understand.

Does this intermittent failure point to power supply or BIOS issues or something else?

My 1.5-year-old computer has experienced the following scenario twice in the past 3 months.
I press power button to start it up, nothing happens: nothing appears on screen, no beeps, no other signs of life (but the light in the power button itself does briefly light).
After trying all the obvious things, I try repeatedly hitting F2 immediately after hitting the power button. This brings up a diagnostic screen. I run all the diagnostics, none reports an error, I proceed to boot Windows and all is normal.
A few weeks later, exactly the same sequence of events.
(I've also run iolo System Mechanic Pro and numerous other utilities, they report and fix registry errors but don't tell me anything useful.)
Thanks.

@cschutze
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Omar
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Info on macbook pro unibody power supply or charging issues

there are all kinds of tricks to resetting things, but what if the laptop battery is dead and wont charge, are there any tricks to perform on a dead macbook pro?

Or the charger is shot...
https://discussions.apple.com/message/20307139#20307139

Need help with power supply & graphics card upgrades

I have a HP Pavilion p6320y that I bought 8 months ago. AMD Phenom II x4820 Quad Core processor. I play WoW and since the last big patch, have been suffering with low fps. I updated drivers and followed all the advice given to me by Blizz and finally figured out that my Nvidia GeForce 9100 (integrated graphics) isn't good enough anymore.
I checked my computer and discovered that I have a 300w power supply (12V) and read on another post here that something stronger than 300w is needed to run a decent graphics card.
Now for my questions:
How much of a power supply can I upgrade to without hurting my computer, but will be enough to run a good card?
What would be a good graphics card for this computer?
I've been looking at the Nvidia GeForce GTX 460 1GB GDDR5 PCI Express graphics card and wonder if that will work on my computer. Most of the nicer cards seem to be the PCI Express and I'm not sure if that will work.
Any advice will be most helpful. I have some experience with the inner workings of my PC and would like to fix this myself instead of running to the closest computer shop and paying someone else to. Thanks!
This question was solved.
View Solution.

Well, you are starting out from a fairly low baseline with the integrated graphics. It will not cost much to have a substantial increase if all you want to do is run WoW without error messages. Yes, the 300w power supply is an issue and rules out any card that will require its own power (i.e. needs its own power cord like a hard drive) but there are several mid-grade cards that can run off bus power alone (i.e. just from the pci-e slot itself). Just taking a quick look at newegg.com I see the following:
GeForce 9400 under $50
Radeon HD 4650 under $50
GeForce 9500GT a little over $50
Any of these should get you where you want to be and not require a PS upgrade. The slot you have available is a PCI Express x16 slot so don't look at AGP cards; they will not work. If you want to install the card you mention you need to get a better PSU.

My Time Capsule has just failed, 2 months after the end of 12m warranty. same old known power supply issue, "just unlucky" says my local Apple service center. ***?

i bought a 2TB Time Capsule in Sep 2010. its just failed last week, less than 2 months after the expiry of the 12month warranty.
and 3 months after the end of Apple's offer to replace all the many Time Capsules that have failed previously due to this same fault.
nice timing guys.
"yeah, its dead. same old known power supply issue", says my local Apple service center, "just unlucky".
huh? "unlucky"? you sell products with known defects, and when it fails i'm "unlucky". nice.
"OK, anyway, how much to fix it ?", i ask.
"you can't fix them, its closed", is the reply, "you have to buy another one".
"hmpf. OK, how do I get my backed-up data off it ?"
"you can't. we could try break it open and recover the hard disk i guess, but no guarantees we'd get it, and you'd have to pay for us to do that, whether it works or not of course".
"er.... is there a hidden camera in here? are we on TV? you can't be serious ? ..and this piece of garbage is what i've been using for a secure backup of my precious, irreplaceable, priceless personal data ???"

ceeb28744. Welcome to the Apple Users Support Community. Sorry to hear your TC died! You said it was a 2TB so I would guess it be the model A1355/MB997LL/A or MC344LL/A. Believe it or not all users of these time capsules will eventually experience this problem like you have. There is a 99.5% (or better) chance that the only thing that is wrong with it is the internal power supply. If you will go to this site.... https://sites.google.com/site/lapastenague/a-deconstruction-of-routers-and-modem s/apple-time-capsule-repair and once there look over at the left side and you will find:
Apple Time Capsule Repairers and from that list you will be able to choose from a list of individuals that could repair your TC and have it returned to you fully operational again. The individuals on the list are hardware technicians and they can save you a lot of money and time.
Larry

Adding USB card that needs power supply H520S

Just bought a 4 port USB 3.0 card for my H520S. I plugged it in and nothing. Then I read on the card manufacturer's website that I need to the connect the card to the PSU in order for it to work (there's an internal USB port on the card).
So I opened the PC and looked for an additional power source to connect the card to...but I'm not sure what I'm supposed to be looking for.
Is this doable on this model?
If so, what cables do I need and where do I connect the cable to?
Thanks in advance

hi,
This Device Will need a 4 pin peripheral Power Cable (Molex)
Like the one to the left on this photo
Since the unit is pre configured by Lenovo all Connectors on the PSU may just be enough for all what's preinstalled inside the unit.
Still Check the power Supply of your unit check inside if there is one available This cable is directly from the power supply, so once you open the computer case Look for the power supply and check the cables coming out from it and look for this connector here is a closer look
http://upload.wikimedia.org/wikipedia/commons/3/31/Molex_female_connector.jpg
If you cannot find out you might need to Upgrade the Power Supply.
Regards
Solid Cruver
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G5 Powermac Dual Core Power Supply Issue

My G5 Dual Core 2.3 GHz was working fine till this morning when at about 6:00 AM the power supply started making a bunch of noise. Luckily I was at home not at work so I pulled the plug...waited a while, powered on again, saw the apple logo and decided to turn it off till I get it fixed.
This is the third G5 I have with power supply issues. The first one was a dual processor that hums when doing a lot of networking or when attaching USB flash drives...so apparently there was a extension program on that one. I sold that and switched to the dual core machine, then both of the dual cores had power supply issues. One got replaced under Apple Care. The 3rd one just had the issue happen.
Anybody having bad luck with these? My old G4 DP 1.42 has been running almost flawlessly since it came out (only replaced the main fan for a more powerful and quieter unit).
Have the power supplies for the Dual Core G5 machines been redesigned or should I expect my new one to fail again?

Hi Jack,
I'm sorry. You did note that with your first G5 you knew of the extension program. Too early in the day for me I guess. Personally I haven't sensed from the G5 discussions that Power Supplies have been a major continuing issue, but there certainly have been a lot reported. Usually it's Logic Boards that keep getting fried for one reason or another. Fortunately it doesn't seem to be the most expensive thing to replace, especially if you buy a used one. Maybe someone will chime in who is more observant then I am this morning.
For what it's worth I still have the first Mac I ever bought which is a PM8500. It still runs fine whenever I pull it out from it's dusty storage. By contrast this is my third G5.
Edit: Up early and fasting for a test... I just caught your reference to 3 years. That time frame I have seen a lot here, usually 3 years plus a few months, just out of Applecare. Apparently for G5s thats like 90 in Mac years.
Message was edited by: Samsara

How do I correctly time while loops using SCPI and VISA/Ethernet communication to send DC current Values to a Power supply?

I'm rather new to using labview and I having an
issue with a test Data Aquisition lab I'm trying to setup using a
Keithley 6221 AC/DC current source and a basic PCI M-series NI-DAQmx.
First of all, I'm looking to update the current value on a power
supply at a rate of atleast 10Hz and I'm using SCPI commands and VISA
communication through ethernet to do so. Attached below is the VI I
have written.
The issue I'm having is this:
My VI will
loop through the values fine in software, or so it seems. I am unable
to get the Power supply to update sequentially if I don't set my loop
delay to anything greater than 130ms. If I try to run the loop faster
it starts skipping values instead of counting 1,2,3,4,5,1,2,...etc. it
goes 1,2,4,5,2,4,1,2 on the display of the power supply and my DAQ unit
also skips these values so I know that the number just isn't getting
read to the Power supply in time. I was wondering if this was due to
my sloppy programming or if it is a hardware issue, my computer or the
method of communication to the power supply? Is this due to the fact
that I'm using ethernet and VISA communication? Is there a faster way
to communicate or is GPIB faster? Any input at all would be extremely
helpful.
On a side note: Right now I'm using an pre-determined
array of values that I can update on the fly but in the future this
with be put into a closed-loop control system. The value for the
power supply output will be determined by the loop and sent that way.
Attachments:
basic DC loop 6221 Keithley.vi ‏145 KB

Also, one of the string constants is NOT set to '\' Codes Display. Here is an alternative method of calculating the index. I removed the DAQ and VISA stuff since I could not run it.
Lynn
Attachments:
basic DC loop 6221 Keithley.2.vi ‏16 KB

1st Gen iMac Power Supply Issue

I just got my iMac G5 back from Apple after having the power supply and logic board replaced for the second time in two years.
It is apparently a fairly common problem with the first generation iMac G5s. I've basically been told it's a problem with no real solution and that they'll fix it for free (for the first three years). It's great that I'm within the three years, but if it happens again after October, I'm likely going to have to foot the bill to get it repaired.
Does anyone have any more detailed info on this issue (other than Apple's Repair Extension doc)? Would turning off the computer each night prolong the life of those parts? Would turning it on/off everyday reduce the life of those parts?
Any thoughts/comments?
Thnx...CN
iMac G5 Mac OS X (10.3.9)
iMac G5

Just to add to BB's comments, I doubt that leaving the computer on will have any benefit at all for you in terms of longevity. If you have problems with faulty capacitors , and the like, in fact it will probably make the issue worse rather than better (though I doubt this will be a problem for you if your logic board was replaced after about April 2005). Doing so will probably also add a little extra wear to the bearings of your HD (unless you have it set to spin down when not needed) , and will cost you a little more (but not a whole lot - though when we all leave them running the environmental costs continue to mount) in electricity over time.
You should probably also shut down every so often anyway - maybe once a week or so, to help clear some potential memory issues that can persist with some applications even under OSX, and you should certainly shut down at and start up again at any time when you notice slowdowns, program "hangs" or other problems.
Cheers
Rod

Wired Keyboard USB Power Supply Problem

Hello,
I'm a proud owner of an iMac 27" which I ordered with the Apple Wired Keyboard because it was equipped with two additional USB Ports.
I'm using the Astro Gaming Astro A40 with their Mixamp and it works perfectly fine if I plug it into the keyboard.
Now I installed Bootcamp with Windows 7 Professional and it tells me the power supply in the keyboard is to low for my headset and my Mixamp.
Does anybody know a solution for that problem?
Why does Windows cry about that while Mac is perfectly fine with this.
I hope somebody can help me. Thank You
With best regards
ChickenDuy

From
Support FAQ - Astro Gaming
For PC Users: Much like discrete graphics, audio, or physics hardware free up CPU cycles and make our games run faster, the USB drivers built into the MixAmp provide a simple plug and play solution to offloading communication and music duties to the MixAmp.
My guess would be that these drivers are not loaded in OSX. When you run Windows via bootcamp, these drivers are loaded. Based on the function described, they draw more power from your USB bus than they would in the OS X environment. Yet the machine is still only willing to supply 500 mA to the particular hub. I think, therein lies the problem. Or, atleast, a theory.

Obvious power issue effecting all back plane jks. Popping HOURLY (clocked) thru speakers, lites up lamp on doc scanner. Has blown power supply once. "Genius" diag NTF twice B4 power supply blew. Still have same trouble. I made very CLEAR to Genius Ba

Obvious power issue effecting all back plane jks. Popping HOURLY (clocked) thru speakers, lites up lamp on doc scanner. Has blown power supply once. "Genius" diag NTF twice B4 power supply blew. Still have same trouble. I made very CLEAR to Genius Bar that it was a hardware issue after they continued to trouble shoot software. I was referred to tier 2 who told me they only worked on SOFTWARE. Does anyone know a more qualified shop who can fix an OBVIOUS mother board issue tracing back to the power supply? I had the same issue with a 20" with 7 visits & had to literally take a video of the trouble before they could figure out the trouble was the video card. From reading the sheer number of posts of the same trouble descriptions going back to 2007, it's all too obvious the path to MSFT is being taken.

Need help fixing my Power Supply (delta 710W)

My Power Mac G5 had been acting strange lately in the form of not turning until I waited a day after turning it off. Thankfully, I have determined the cause to be the power supply after using the apple hardware test and reading other posts. When I press the power button before waiting, it clicks twice and turns off. If I do wait, the computer works normally (im actually typing on this computer right now!). Given the fact that I am a financially impaired diy technician, I want to fix it my self. Do be aware that I will be taking the necessary precautions while working on this thing because I am aware of the danger it involves. I think it could be a VERY basic issue, so any ideas would be helpful. Thank you.

Have you tried measuring the voltages of the PSU?
http://macosx.com/forums/hardware-peripherals/298426-how-test-g5-power-supply.ht ml
http://www.insanelymac.com/forum/lofiversion/index.php/t105113.html
http://www.applefritter.com/node/6561

Cisco 3850 Redundant Power Supply Reporting Issue

We have deployed several Cisco 3850's. Several are showing the following symptom
ont2-tc3-es01#sh env power
SW PID Serial# Status Sys Pwr PoE Pwr Watts
1A PWR-C1-715WAC DCB1702G0QU OK Good Good 715
1B PWR-C1-715WAC DCB1702G0G6 No Response Good Good 715
Every single switch at this particular location has the same status on the B power supply. The problem was there on the previous code level (3.2.2) and we recently upgraded to 3.3.5 to resolve some SNMP bugs on the switches we also expected the latest Assurewave version to fix this issue also. So couple questions:
1. Anyone else seeing this?
2. Anyone found a fix for it?
Thanks!
Marty

Hi Zabeel,
                   I did talk with TAC - per the engineer there are two bugs that cause the issue and one was fixed in 3.3.5 - so we upgraded all our 3850's to that code level. Unfortunately for us, that still didn't fix the issue. TAC suggested that it may be fixed in rev 3.7.0, but that has not officially been confirmed by Cisco's developers.
         We're waiting for the official "fix" before going through another round of switch upgrades.
        TAC did suggest reseating the power supply if you still have the issue after the upgrade to 3.3.5 - but that's not really an option for me since my switches are geographically spread out.
   HTH
             Marty

MSI GT680 Power Supply Issue = Performance drop

Hello,
I have a MSI GT680.
Recently my computer has developed fps issues with games like minecraft, LoL, dota2, etc. Which were previously very easy to run without any problems.
I believe it is something to do with the power supply, When I hover over the battery icon in the bottom right it says (plugged in, not charging)
and the computer performs the same plugged in as it does unplugged.
Ive tried to fix the (plugged in, not charging) issue but nothing has worked so far.
I just need to know if I have to buy a new charger/battery or if its just a software issue
Thanks for your time

Check which power scheme is selected. Power scheme "balanced" will do nicely in most situations and for testing.
Check if the graphics speed (GPU/graphics memory speed) is the same in the plugged and unplugged state when running the game.
You can do this by running MSI's Afterburner software.
http://event.msi.com/vga/afterburner/download.htm

2253iX California Power Supply USB Communication Issue FIXED

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