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Power Supply Query for FSX (Read 553 times)

Apr 27^th, 2009 at 8:45pm

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

NickN

I have the following rig

ASUS PK5PRO
Q9300
8GB A-DATA DDR2 800
320GB SATA
512GB 8800GT
DVD+RW
1 EXTERNAL 1TB HARD DRIVE
2 USB CONNECTIONS (KEYBOARD/MOUSE + JOYSTICK)

OS: VISTA x64

NO OVERCLOCKING DONE

The rig is powered by a 450W PSU. My question today is, is this PSU enough to cover all equipment ?

FSX is jerky during turns at airports, never >10 FPS and I thought possibly the GFX is underpowered and causing this.

I have followed all your guides and tweaks, numerous times over (installed, re-formatted, re-installed) I have no add-ons.

Thanks

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Reply #1 - Apr 27^th, 2009 at 8:54pm

FuturePilot Offline
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Grand Cayman

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I don't know about your question, but NICE RIG!!!

ASUS M4A89GTD, 16GB 1333MHz DDR3 RAM, 160GB 10,000 RPM HDD + 1TB 7200 RPM HDD, AMD Phenom II x4 965BE 3.4 GHz OC @ 3.8 GHz, 1GB EVGA GeForce GDDR5 GPU

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Reply #2 - Apr 27^th, 2009 at 9:07pm

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

Thanks FuturePilot although I keep second guessing my choices for the GFX as well as the RAM.

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Reply #3 - Apr 27^th, 2009 at 9:57pm

Brett_Henderson Offline
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EVERY OUTER MARKER SHOULD
BE AN NDB

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Posts: 3593

I'll risk having Nick scold me ,, Cheesy

Cheesy

While the video-cars is a bit dated, I don't think it's a real bottleneck for that CPU (un-clocked)..

The power supply however, is on the small side.. I'd think that 750 watts would be bare minimum there.

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Reply #4 - Apr 27^th, 2009 at 10:00pm

Formula_1 Offline
Colonel
Scuderia Ferrari Marlboro
Clearwater, Florida

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Posts: 309

Hi

Your PSU should be fine, since you are not locking up or crashing.
It is a bit low at 450W, but if it wasn't enough, you would be having real problems.

If you are in doubt, add up the required power for all the components in your system and see if it is under 450W.

Explore Everything, Then Decide

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Reply #5 - Apr 27^th, 2009 at 10:18pm

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

I too thought my rig was capable of handling at close to max on the sliders however with Nicks recommendations at the lower end of his suggestions iI still get these jerky movements while turning over large airports.

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Reply #6 - Apr 27^th, 2009 at 10:29pm

Formula_1 Offline
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Scuderia Ferrari Marlboro
Clearwater, Florida

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Posts: 309

How much AI are you using?

Oh and Welcome to Simviation

Explore Everything, Then Decide

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Reply #7 - Apr 27^th, 2009 at 10:34pm

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

thanks for the welcome.

AI is set as per NickN for low-end desktops. When I get home I'll post pics of CPUZ as well as the settings for AI etc.

thanks for your help.

btw are your rigs/fsx installs running smooth without jerkyness etc?

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Reply #8 - Apr 27^th, 2009 at 11:30pm

Formula_1 Offline
Colonel
Scuderia Ferrari Marlboro
Clearwater, Florida

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Posts: 309

tgpacar2 wrote on Apr 27^th, 2009 at 10:34pm:

btw are your rigs/fsx installs running smooth without jerkyness etc?

Pretty much yes, but I do slow down over big airports. But it isn't really jerky, just lower frame rates. I have them set at 24 and it holds that fine most of the time.
I fly mostly low level VFR, so I have ground traffic up to 100% and only like 5% airliners and maybe 35% general. I would rather see the world looking alive than to have a lot of planes flying around. Big airports look very lonely though. I take a serious hit if I try to get a lot of action around a big airports.

Explore Everything, Then Decide

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Reply #9 - Apr 28^th, 2009 at 6:46am

Fly2e Offline
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ANSWER FROM NICK AS HE CAN'T LOG IN AT THE MOMENT

--------------------------------------------------------------------------------
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I am not at home and can not log onto the forums so I asked Dave to post this for me

I am sorry to say that rig is not what I would call a good FSX tower and yes the system is underpowered.

You need a better PSU but do not expect that to make everything run better.. It may help but the bottom line is that system is a medium at best for FSX if its not clocked.

This unit is 80 dollars with a rebate and is in line with what you need

http://www.newegg.com/Product/Product.aspx?Item=N82E16817703005

If you ever intend to get a better video card and clock, you need this unit which costs 25 dollars more

http://www.newegg.com/Product/Product.aspx?Item=N82E16817341011

Your issue is the memory timing., CPU speed and last the video card

8GB of memory is doing nothing for you.. AT ALL. More than likely to use 8GB the system is running the memory timing high which chokes the CPU communication. @ DDR2 800 you should be running 4-4-4 timing at MAX. Use CPUz to see what your system is running.. the memory tab will tell you the timing and speed.

Good Luck
Nick

---------------------------------------------------------------------------

Intel Core i7 Extreme Processor 965, 4.2GHz/8MB L3 Cache, Asus P6T Deluxe V2 Intel X58 Chipset Cross
Fire & SLI Supported, Mushkin Redline 6GB (3X2GB) Memory, eVGA NVIDIA GeForce GTX 285, Vista 64.

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Reply #10 - Apr 28^th, 2009 at 11:56pm

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

Nick many thanks for your reply. I really appreciate your expert comments.

In your opinion would increasing power to one ofe the PSU's you listed as well as reverting to a XP OS as well as dropping the memory from 8gb to 4gb (what is your recomendation here?) help. I am little worried regarding overclocking especially when temp needs to be controlled. I have a CA-T05 case (coolermaster) with a noctua cooling NH-U12P that takes up most of the case (2 fans, 1 chasis, 1 cooling. I believe cooling would an issue in my case.

Any thoughts?

Cheers

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Reply #11 - Apr 29^th, 2009 at 11:57am

NickN Offline
Colonel
FSX runs fine... the problem
is you or your system

Posts: 6317

You need a better PSU with a quad and a 8800GT, no doubt about that.

I question the memory timing and speed here because of the 8GB of generic memory

Use CPUz and post the CPU, Mainbaord and Memory tabs here

http://www.cpuid.com/download/cpuz/cpuz_151_setup.exe

I need to see the GUI tabs, not the text report

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Reply #12 - Apr 30^th, 2009 at 8:27am

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

Hi Nick here are the screenshots

what timings would you recommend for RAM and CPU?

thanks again

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Reply #13 - Apr 30^th, 2009 at 8:31am

tgpacar2 Offline
Lieutenant Colonel
Fly FS

Posts: 7

Sorry Nick I forgot the mainboard tab

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Reply #14 - Apr 30^th, 2009 at 11:44am

NickN Offline
Colonel
FSX runs fine... the problem
is you or your system

Posts: 6317

The timing one wants at DDR2 800 is 4-4-4

You are running 5-5-5 which is not as bad as I anticipated but its still not the best none the less.

The memory product is not rated for 4-4-4 @ DDR2 800 (400MHz)

Your best bet is to get a proper PSU which is required no matter what in this. And after that perhaps try a bit of mild CPU clocking. More than likely the memory will never allow you to run it at 4-4-4 even if you remove 4GB of the 8. You could try it however its highly unlikely.

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