kzUVqJL2CfrY4OA7HEEG6G2F369v2/15BAgAQzQIcp5+F6YcK2zIxXKfjkkGCHS6   
   HmzaPTeb59l7t+xW/zSnNdV+wW0edPMqYNFVRbVUBU1AqJutzTwBqcMYyHNS5FFTW5s=   
   From: "Allan"    
      
   On Sat, 11 Dec 2010 18:05:43 UTC, Lars Erdmann wrote:    
      
   > Allan wrote:   
   > > On Thu, 9 Dec 2010 23:03:57 UTC, Lars Erdmann    
   wrote:   
   > >   
   > >> I have again updated the USB host controller drivers USBUHC   
   .SYS,USBOHCD.SYS,USBEHCD.SYS.   
   > >   
   > > Tried these too. They are also slow, compared to patched IBM driver.   
   > >   
   > >> However, it is a long time ago, that a patch was made available   
   > >> to the USBEHCD IBM driver, that made it almost twice as fast here.   
   > >>   
   > >> Why didn't you pick that up ?   
   > >>   
   > > 1.) Because I don't know the source location   
   > >   
   > > Took me 2 minutes to find the same pattern as the original patch changed.   
   > > For this version of yours, I used this patchfile:   
   > >   
   > > FILE USBEHCD2a.SYS   
   > > VER 4F34 FF76F2   
   > > CHA 4F34 6A0190   
   > >   
   > > I assume you can find this place in your own sources.   
   >    
   > FF 76 F2 = push WORD PTR [bp-14]   
   >    
   > (6A 01 90 = push 1, nop)   
   >    
   > FF 76 F2 is used all over the place.   
      
   As the patch says, it is @ location 4F34 in the bin.   
      
   > How can you be so sure that you patched the CORRECT location ?   
      
   Because it works the same as when doing it on IBM's ?   
      
   > Anyway, maybe I can identify the correct spot.   
      
   I assume the sym file should tell you.   
      
   > There are people that believe it to be more important to not disturb timing   
   sensitive applications.   
      
   Ok. I just tought it was a rather small impact.   
      
   > At least that's a request from someone else. But a parameter to control this   
   is certainly feasible.   
   > I'll think about it. But please be aware that I am working on this in my   
   FREE TIME.   
      
   Of course :-)   
   I didn't ask for this to be ready in an hour ;-)   
      
   --    
    Allan.   
      
   It is better to close your mouth, and look like a fool,   
   than to open it, and remove all doubt.   
      
   --- Internet Rex 2.31   
    * Origin: Datemas.de http://www.news.datemas.de (1:261/20.999)   
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