Aces High Bulletin Board
General Forums => Hardware and Software => Topic started by: oboe on April 02, 2010, 05:36:17 PM
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Well Logitech sent me a replacement G940, and the rudder pedal axis on the replacement unit has the exact same problem as the original unit.
The rudder axis does not hold a steady partial input (in either direction) without spiking. I can see the axis values jump around in the AH's controller calibration screen. Holding 1/2 input in either direction causes the axis values to spike 2000-4000 from the input value constantly. It does hold steady with zero deflection or full deflection in either direction; just not partial input.
If I go to external view, I can see the aircraft's rudder jumping back and forth constantly as I hold steady, partial input on the rudder pedals.
Downloaded and installed the latest driver software (v5.08) and this has no effect on the problem.
Is there anyway this could be related to my hardware? My Thrustmaster rudder pedals don't spike, but they are not USB. I have tried a powered USB port and that makes no difference either.
My build has a Gigabyte EP45 mobo and 64-bit Win 7 Professional - could the problem be related to some arcane USB option in BIOS? If I hook the 940 up to my VISTA-equipped laptop (non-gaming); I don't get the rudder axis spiking. Or could it be an driver issue?
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Maybe a Windows 7 issue? By any chance, is there another system with Windows 7 you can try the pedals on?
ack-ack
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Nope, no other Win 7 computers available to me.
I did go to Gigabyte's site and made sure I had the latest mobo drivers as well.
Just not sure what to do at this point.
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I just wonder if it's a W7 issue. Looking at their forums, it seems that quite a few that are having troubles are using 64bit W7.
ack-ack
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Oboe have you tried moving the rudder pedals constantly through full deflection for a minute to see if that would help?
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Oboe have you tried moving the rudder pedals constantly through full deflection for a minute to see if that would help?
I've tried all sorts of things, but how do you think that would help, FLS? I move the rudder pedals multiple times through their full range when calibrating, and the calibration screen doesn't show spiking then. Do you have a theory about what might be wrong?
Anybody else with a G940 running Win7 64bit?
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The pot has a contact that could be dirty. Sometimes working the pot can clean it up a little.
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Try uninstalling the logitech software that comes with the pedals and let W7 figure out the driver...
In other words get rid of the logitech drivers and front end all together...fire up W7, plug in the usb connector while the system is running and see if W7 can sort it out...
I just rolled into W7 and found that many of the attempts of the peripheral guys to patch up old 32 bit drivers to work with 64 bit os are flawed..don't work...
In that vein you can try also rolling back to an old set of drivers...that are missing the patches designed for W7x64...and just let W7 compartmentalize the driver as xp-32...
Worth a shot...
Oneway
Oh...one last thing...if you are running a new board that has USB 3.0...try to find a USB port that is NOT 3.0...how old are your pedals?..are they USB 1.0 or 2.0?...some BIOS allow setting USB ports to 1.0...if your pedals are old 1.0 units, you might try to set up one of the USB buses to run at 1.0...
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it seems odd that both the original and replacement would have dirty rudder pots, but I can make sure I try that suggestion.
My rudder pedals aren't USB in the separate sense - they plug into the joystick (as does the throttle) and the joystick plugs into a USB port. My board is a Gigabyte EP45-UD3P and has only USB 2.0, not 3.0.
I will try uninstalling the drivers and letting windows 7 attempt to use its own drivers. I'll also check the website and see if I can find a 32bit XP or Vista version of the drivers.
Thx help and suggestions
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Windows doesn't identify the axes correctly by itself, and neither does the 32-bit driver for Vista.
I've also learned one of the toe brakes is defective - behaves like a digital rather than analog input. Logitech tech support suggested I try installing the replacement G940 on a second computer, which I did - my Vista-equipped laptop. Spiking on the replacement unit is worse than it was on the original unit.
Constant movement of the rudder pedals through full deflection didn't help either.
I've asked for a refund from Logitech.
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Sorry to hear you can't get it working oboe. I've used it with 64 bit Win7 with and without the profiler software without problems. I've noticed a little rudder spiking a couple of times now and both times got rid of it by working the potentiometer for half a minute. I've also developed some R1 spiking in the throttle but just when the throttle is moved. Working the throttle back and forth minimizes it but it comes back. Logitech is working on version 5.09 of the profiler software as a stopgap to a total rewrite of the driver. Developers already have an early release. Since you don't see the spiking on your notebook maybe it's a driver problem and not hardware. The G940 isn't perfect but I still haven't plugged my Cougar back in. I hope you get your problem resolved one way or the other.
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Thanks FLS - its such a great design with great features, I was really excited about it. The replacement unit rudder axis DOES spike horribly on my notebook (though the original unit didn't). I would have definitely paid extra $$ for Hall sensors on every axis, which is what I was lead to believe I was getting by the ads anyway - my bad for not realizing that).
I doubt they will refund my money, but I do need to send the replacement back for a 3rd unit. Perhaps the new stopgap drivers will be ready by the time I get the 2nd replacement back...
Hey, when you calibrate yours with their software, does pressing the buttons on the joystick send the force feedback into a tizzy? There is this calibration confirmation screen where you check all the axes on each unit out, and when I press the joystick buttons, the force feedback goes absolutely bonkers, whipping the stick out of my hand its so violent. Does yours do that?
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The forcefeedback demo when pressing various buttons is standard for Logitech, Their FFB wheels do it too.
If you have a set of USB pedals you could unplug the Logitech pedals and use those for now with the Logitech stick and throttle. AH allows you to mix whatever controllers you can plug in.
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Ah, thanks.
Still using my TM Elite rudder pedals I bought back in '98. I converted those to a Hall effect sensor a while ago with one of Cubby's upgrades. They're not USB though, and when I tried the game-to-USB converter I used to use with them before the Hall conversion, it didn't work properly. Not sure if the Hall conversion would cause that problem, I would've thought not.
No worries, still hanging in there with the Cougar.
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Well if you have room you could plug in both sticks, run the pedals through the cougar and use them and have two throttles and FFB. :D
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Ah, thanks.
Still using my TM Elite rudder pedals I bought back in '98. I converted those to a Hall effect sensor a while ago with one of Cubby's upgrades. They're not USB though, and when I tried the game-to-USB converter I used to use with them before the Hall conversion, it didn't work properly. Not sure if the Hall conversion would cause that problem, I would've thought not.
No worries, still hanging in there with the Cougar.
The Hall sensors or a potentiometer shouldn't have any affect on the gameport to USB adaptor and most likely the problem is the adaptor itself. Does your adaptor have a switch or maybe driver selections you can select the number of axis? The old Rockfire adaptor I used to have had switches for 2 axis, 3 axis and 4 axis controllers and then I had to select the same in Windows game controller applet.
ack-ack
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Hello all - time for a Logitech update:
My 2nd replacement G940 arrived this week. It has the same problem as the previous replacement - wild spiking on the rudder axis, and the right toe brake is either off or full on - there is no gradual transition as with the left toe brake.
I always uninstall the previous Logitech software and install a fresh copy from the new installation CD. I am using Win 7 64-bit.
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Hello all - time for a Logitech update:
My 2nd replacement G940 arrived this week. It has the same problem as the previous replacement - wild spiking on the rudder axis, and the right toe brake is either off or full on - there is no gradual transition as with the left toe brake.
I always uninstall the previous Logitech software and install a fresh copy from the new installation CD. I am using Win 7 64-bit.
I don't know if you've been paying attention to the forums at logitech, but it appears they are very very close to having new drivers to fix a lot of these issues... we're talking a few days... so just hang in there and see what the new software does before jumping the gun any further.
Beyond this, I can't help. Good luck
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I do hope its a driver issue. I've updated my support ticket at Logitech; we'll see what they advise.
Thanks for the heads up on the drivers impending release.
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Oboe, I've had the same problem with my G940 also. Most of the time, both brakes lock up, and sometimes just one. After trying to recalibrate with the Logitech software and having no luck, I went into the AHII clip board. In the Map Controller, I select the rudder pedals and calibrate each, close the clip board, and am good to go. Most of the time the brakes will operate normally. Occasionally, when switching to another aircraft the problem will occur and is solved with clip board calibration. The problem also seems to occur almost everytime after I turn the computer on. Hope this helps. I'll be watching for the new drivers also. :salute
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does the logitec software work in unison with the AH calibration or do you use one or the other?
I got the impression when I was using my X52 that less problems occured when I disabled scaling in AH and just used Saitek software :old:
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The logitech software is stand alone. I am able to access the calibration routine right after I install the software, after that I can't find how to get to it. But I can get to a properties window that shows the spiking.
Same in AH calibration routine - the advanced tab for the rudder axis reveals the extent of the spiking (I can also just go OTR, select external view and watch the rudder whip back and forth as I try to hold a steady, medium input. Full deflection seems to work fine, it's only partial inputs.
Only the right toe brake has a problem - its either full on or full off, unlike the other toe brake. This also shows up in both AH and Logitech software.
Logitech service reps have asked for more time to escalate my situation to a higher level. I hope this gives them time to introduce new drivers.
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Is spiking a result of mechanical/electrical problems?
I have just bought a CH stick plugged it in, there was spiking.
I disabled the scaling in AH etc and spiking stopped. :old:
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I think it can be either. I've taken the pots in my Cougar apart several times and cleaned them to cure spiking. I think it could also be caused by defective components, but I've had this with 3 G940s in a row, so I think its not likely (though still possible).