Simviation Forum - how many memory ?

Reply #15 - Jul 8^th, 2004 at 2:40pm

Fozzer Offline
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Quote:

Hi everybody,

I did not have time yet to get some more memory, but could make some tests anyway. On my computer I have Norton System Works. This software contain some monitoring features which can report the current activity of physical and virtual memory and CPU load an so on. The result is that when FS9 run, the physical memory (512KB) is not fully used ( 120MB to 150Mb free according to the situation). But the CPU activity is constantly at 99 to 100%. This make me think that the problem may have more to do with the CPU itself.
What do you think ?

Jeff Shocked

I would think your processor, (AMD Athlon XP 2400+), should manage OK, and your graphics card is just fine... 8)...!
Mine is an AMD Athlon XP 2600+ and runs fine, especially with FS 2002, flat out.... Grin

...!
FS 2004 effects, (clouds, ATC, etc), need to be trimmed down slightly to cope... Wink

...!
If your frame rates are averaging in excess of say, 20 FPS, you are doing OK... Wink

...!

Cheers....!

Paul.

P.S. don't forget to close down un-necessary programs running in the background before starting the FS, this will free-up some memory and processor time... Wink

...!

Dell Dimension 5000 BTX Tower. Win7 Home Edition, 32 Bit. Intel Pentium 4, dual 2.8 GHz. 2.5GB RAM, nVidia GF 9500GT 1GB. SATA 500GB + 80GB. Philips 17" LCD Monitor. Micronet ADSL Modem only. Saitek Cyborg Evo Force. FS 2004 + FSX. Briggs and Stratton Petrol Lawn Mower...Motor Bikes. Gas Cooker... and lots of musical instruments!.... ...!
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Reply #16 - Jul 8^th, 2004 at 4:27pm

Wing Nut Offline
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I have 1 Gig of Ram and a 256 Mb Video card and FSD still stutters in cities sometimes, so don't feel alone... Roll Eyes

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Reply #17 - Jul 9^th, 2004 at 3:50am

jeff55 Offline
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Thanks again for our comments,
may be am I too demanding ! m computer was doing fine with fS2002, and I must admit that I downloaded a lot of extra sceneries and planes which sometime does not help.
My computer does not seems that bad considering your comments.

With Friendly Regards from France,

Jeff Wink

jeff55

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Reply #18 - Jul 10^th, 2004 at 1:35pm

congo Offline
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Hi FrJeff,

This is about your memory and your quoted system spec above....

You are apparently running your RAM at 333mhz, yet your CPU and Front Side Bus speed is 266mhz. (AMD XP2400+'s run on a 266mhz FSB speed)

You'll find that if you drop your memory speed to 266mhz so it runs in sync with the rest of your rig, you'll get a faster machine.

As a side effect of dropping the speed of your PC2700 (333mhz) RAM to 266mhz, you'll probably find you can set turbo or "overclocked" ram timings to further increase your system's power. (CAS latency to 2.0 for instance).

You need to configure these things with care in the BIOS of your PC if you know how.

Also, if you happen to have an nForce2 chipset, (mainboard), you could add another IDENTICAL ram stick and run the Memory in DUAL CHANNEL mode for further performance increase. Read your manual for directions.

Cheers Wink

Mainboard: Asus P5K-Premium, CPU=Intel E6850 @ x8x450fsb 3.6ghz, RAM: 4gb PC8500 Team Dark, Video: NV8800GT, HDD: 2x1Tb Samsung F3 RAID-0 + 1Tb F3, PSU: Antec 550 Basiq, OS: Win7x64, Display: 24" WS LCD

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Reply #19 - Jul 10^th, 2004 at 2:10pm

Delta_ Offline
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Quote:

Also, if you happen to have an nForce2 chipset, (mainboard), you could add another IDENTICAL ram stick and run the Memory in DUAL CHANNEL mode for further performance increase. Read your manual for directions.

Dual channel is not available on any fsbs less than 400. So a 266 fsb would not support dual channel. Also dual channel does not give a large increase in performance for AMD systems.

My system:Intel Q6600@3.6GHz, Corsair XMS2 4GB DDR2-6400 (4-4-4-12-1T) , Sapphire 7850 OC 2BG 920/5000, X-Fi Fatality, Corsair AX 750, 7 Pro x64

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Reply #20 - Jul 10^th, 2004 at 3:31pm

Gixer Offline
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Hi-D Dual channel works on 333FSB fine. But not sure about 266fsb. I have an MSI K7N2 Delta ILSR which is rated up to 400fsb but will take the slower FSB speed CPU's too. I did gain about 80 marks in 3dMark01 by switching to dual band. I think they say about 5% but I am not sure of the overall effect. I know Dual band is not effective at all on AMD64's in fact I am not even sure the mobos support it.

Congo, usually if the CPU is lower FSB than the ram it will automatically de-clock the ram unless the ram/cpu ratio has been altered in BIOS. If its been unaltered and left at 1:1 his ram would just be de-clocked to 266MHz.

You are totally right about tweaking the ram though. Its exactly what I have done. I got PC3200 (400fsb) for my 333MHz cpu, gettin this has enabled me to make my ram timings as tight as the mobo will let me, and yes this gave me a big performance increase.

AMD64 3500+ @ 2200MHz 400FSB&&MSI K8N Neo 2 mobo nForce3 chipset&&1gig Corsair XMS PC3200 timings @ 10.2.2.2 &&XFX 6800 Ultra @ 450/1200&&80gig HDD&&Loadsa fans!!!

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Reply #21 - Jul 10^th, 2004 at 3:39pm

Delta_ Offline
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I know the 266 mobos don't incorporate it because they are too old to use it, as for 333 it must be only certain ones. The kt333 chipset does not support it whereas the kt400 does.

My system:Intel Q6600@3.6GHz, Corsair XMS2 4GB DDR2-6400 (4-4-4-12-1T) , Sapphire 7850 OC 2BG 920/5000, X-Fi Fatality, Corsair AX 750, 7 Pro x64

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Reply #22 - Jul 10^th, 2004 at 4:26pm

Gixer Offline
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Ah got confused. My mobo will accept 400fsb cpus. Yes I believe your right in that 266fsb max mobos and prob 333fsb max ones wont support dual channel.

But in my mobo which supports up to 400 you can put 266fsb and 333fsb cpu's thus you can utilise the dual channel.

Suppose its all down to what mobo you have as to whether its supported

AMD64 3500+ @ 2200MHz 400FSB&&MSI K8N Neo 2 mobo nForce3 chipset&&1gig Corsair XMS PC3200 timings @ 10.2.2.2 &&XFX 6800 Ultra @ 450/1200&&80gig HDD&&Loadsa fans!!!

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Reply #23 - Jul 20^th, 2004 at 6:25am

jeff55 Offline
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Hello Hi D and Gixer,

jeff55

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Reply #24 - Jul 20^th, 2004 at 6:33am

Gixer Offline
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ellloooo

AMD64 3500+ @ 2200MHz 400FSB&&MSI K8N Neo 2 mobo nForce3 chipset&&1gig Corsair XMS PC3200 timings @ 10.2.2.2 &&XFX 6800 Ultra @ 450/1200&&80gig HDD&&Loadsa fans!!!

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Reply #25 - Jul 20^th, 2004 at 6:33am

jeff55 Offline
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Hello HI D and Gixer,

Thanks for your clever advices. My mobo has the KT 400 chipset, but I don't know about dual range memory, I will check that.
for information my main board is a :
Gigabyte GA-7VA
VIA KT400 / AGP x8/x4 ; FSB 333/266/200 socket A
3 DDR DIMM/ ATX.

P.S. sorry for my late answer, I was out of home for a while.

Regards,

FrJeff 8)

jeff55

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Reply #26 - Jul 20^th, 2004 at 6:52am

Delta_ Offline
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Hi FrJeff

It is likely that your motherboard will have 3 RAM slots. You will need two pieces of RAM that are the same size and same CL etc... (basically the same). Then put one piece in slot 1, and one piece in slot 3. This will enable dual channel and double the bandwidth for the memory. This does not benefit AMD systems very much though.

My system:Intel Q6600@3.6GHz, Corsair XMS2 4GB DDR2-6400 (4-4-4-12-1T) , Sapphire 7850 OC 2BG 920/5000, X-Fi Fatality, Corsair AX 750, 7 Pro x64

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Reply #27 - Jul 20^th, 2004 at 7:41am

Billerator Offline
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I used to have ME and I used the trick that oldhorse describes, it works, ME can work at higher memmory values.
Its very simple to do. There is a good website out there that describes what to do, step by step, but I forgot what it was Tongue

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