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Rec.Autos.Simulators Archive

(N4) Controler lag

5 posts by 4 people · 12 Feb 2001 17:42 UTC - 14 Feb 2001 00:10 UTC

Michael Barlow 12 Feb 2001 17:42 UTC#204381
I finally got the updated drivers for my V5 and was able to turn Vsync off. My frame rate was almost a perfectly stable 39fps before and now it's absolutely stable at 60.00 till I get on to the racing track surface (opposed to the pit lane). When I'm on the track it drops to 37fps and then fluctuates down to 30fps. I'll be playing with the different settings in the V5 control panel to see if I can up the frame rate or at least stabilize it better. In the mean time, with the demo I noticed that with a low frame rate I had a lot of steering lag but with a fast frame rate I had virtually no steering lag. Before and after upgrading the V5 drivers and running the full N4 sim.. I can turn left and back right and back left quickly before the sim steering wheel hits the first left turn (if you can understand my explanation). I'm at that 37ish frame rate so that explains it. Anyone else experience this? Next, I can only imagine that a Papy employee could answer this(?). Is there a frame rate goal to get a 1:1 ratio between me turning my wheel and the sim wheel turning? With GPL my steering of the controller and the sim wheel are at a 1:1 ratio, or at least if there is any lag I don't notice it at all. I'm not about to upgrade anything as I don't really think I have to... ASUS A7V 256 meg of brand name ram 1.0G Athlon T-Bird V5 AGP SB Live PCI Home made 4 axis controller plugged in to the SBL (SBL in Slot 3)
what are your graphics settings and any other changes you made? i have a similar system and get no where near your fps. also, how do you turn vsync off in d3d? thx in advance. "Michael Barlow" <[email hidden]> wrote in message news:UfVh6.39202$[email hidden]... > I finally got the updated drivers for my V5 and was able to turn Vsync > off. My frame rate was almost a perfectly stable 39fps before and nowit's > absolutely stable at 60.00 till I get on to the racing track surface > (opposed to the pit lane). When I'm on the track it drops to 37fps andthen > fluctuates down to 30fps. I'll be playing with the different settings in > the V5 control panel to see if I can up the frame rate or at leaststabilize
Quoted text (11 lines)> it better. > > In the mean time, with the demo I noticed that with a low frame rate I > had a lot of steering lag but with a fast frame rate I had virtually no > steering lag. Before and after upgrading the V5 drivers and running the > full N4 sim.. I can turn left and back right and back left quickly before > the sim steering wheel hits the first left turn (if you can understand my > explanation). I'm at that 37ish frame rate so that explains it. Anyone > else experience this? > > Next, I can only imagine that a Papy employee could answer this(?).
Is > there a frame rate goal to get a 1:1 ratio between me turning my wheel and > the sim wheel turning? With GPL my steering of the controller and the sim > wheel are at a 1:1 ratio, or at least if there is any lag I don't noticeit
Quoted text (13 lines)> at all. > > I'm not about to upgrade anything as I don't really think I have to... > > ASUS A7V > 256 meg of brand name ram > 1.0G Athlon T-Bird > V5 AGP > SB Live PCI > Home made 4 axis controller plugged in to the SBL > (SBL in Slot 3) > >
Michael... First, let me say....I have almost the exact "rig" as you....only its brand new, and I'm using a CL Creative GeForce 2 ULTRA vid card. I have "no joy" on getting this "platform" to work.....so far. But, building computers with AMD platforms is a new deal to me.....so my learning curve is vertical at the moment. Here's some things I've uncovered that may help your situation: There's a couple things you can "check"....just to eliminate them as your "problem" with the steering lag. But first, if you don't have this "lag" problem in GPL....I'd be surprised if the problem is caused by anything in N4 programming verses N4 FPS. It is more likely something with regard to N4 reading the data flow off your SB Live gameport. Be that as it may, check to make sure your voltage at the SB Live gameport is correct (voltage supplied by the SB live gameport is correct for the needs of your homemade controller....and I'd have no clue as to what that is...or should be.....but you must). Also, make sure the SB Live Series and SB 16 Emulation are not sharing IRQ's with anything (other than PCI Steering). Other things to check (did you build this system yourself?): 1. Have you assigned IRQ #5...in the BIOS, "reserve IRQ 5 for Legacy"....??? That would be a prime cause of gameport lag. This is required since the A7V doesn't have any ISA slots....and the SB 16 Emulation needs an "ISA type" IRQ assignment. 2. Have you upgraded the VIA "chipset, 4-in-1" drivers to version 4.28 yet? They were released by VIA only a few days ago..."final" version is available on their website. 3. Have you checked that your "jumper" setting for the RAM core voltage (+3.3v) is not incorrect. ASUS sent out a whole bunch of A7V mobos with these jumpers set incorrectly......and this doesn't matter even if you are using "Jumper Free" mode. Go to the Hardware Doctor in the system BIOS (if you don't already use another hardware monitoring program) and look at your +3.3V reading....is it 3.3x or more like 3.5x volts? If it is not 3.3x volts...your RAM core voltage jumpers are set wrong. Some manufacture's RAM can deal with this.....less expensive RAM can not. 4. Have you tried reinstalling DX (are you using DX 8.0....or DX 8.0a - just released by MS a few days ago?)....upgrade to DX 8.x if you are not using it now (DX 7.x has some gameport problems....as well as several others). 5. If you built your own controller....consider changing it to a USB connection if possible.....the "gameport" drivers for many platforms and hardware are currently not being worked on much at all. Everyone is scrambling to get their USB devices working properly......the standard "gameport" stuff is old news....and the "future" is in USB. You might as well make the change to that "sooner rather than later"......you know? You should be "ok" with the SB Live card in PCI slot #3 on the A7V mobo, since this is the only "slot" that does not share an IRQ with anything else. But, better check all that just to make sure! As I mentioned at the top........I have nearly the same CPU/Platform as you (1.2gig Athlon T-bird....and my SB Live card is a 5.1Xgamer).....but I'm trying to get a GeForce 2 ULTRA to work with this rig.......and it's "no joy" after 10 days. If you did build your own system, can you send me your email address... .....I may have a few questions for you about how your set up is configured. I have three systems right now....and can put a V5 5500 in this "AMD/A7V" rig.....and do some testing for you....as a way of "returning the favor" of you giving me some info on your setup....it would be much appreciated. Regards, Tom Pabst [email hidden] PS: If you happened to have dl'd the new VIA chipset, 4-in-1 drivers already....but ran into a "xxxxx.cat file, can't find it" error message on the install.....send me an email and I'll send you the "fix" for this. I just found it this morning.....and its somewhat complicated so I don't want to waste your time if you've not got the new VIA drivers yet anyway.
What kind of controller do you have? -- [email hidden] "Michael Barlow" <[email hidden]> wrote in message news:UfVh6.39202$[email hidden]... > I finally got the updated drivers for my V5 and was able to turn Vsync > off. My frame rate was almost a perfectly stable 39fps before and now it's > absolutely stable at 60.00 till I get on to the racing track surface
"Michael Barlow" <[email hidden]> wrote in message news:UfVh6.39202$[email hidden]... > Home made 4 axis controller plugged in to the SBL > (SBL in Slot 3) Oh I missed this at first as I was looking for brand names. I would be surprised if USB controller people have this problem. -- [email hidden]

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