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New USB host controller drivers: usbhcd189.zip

March 14, 2013 by madodel@ptd.net

I have updated the USB host controller drivers


USBUHCD.SYS, USBOHCD.SYS, USBEHCD.SYS, USBD.SYS (and now also: USBRESMG.SYS)


I have now placed these on hobbes.
hobbes.nmsu.edu/download/pub/incoming/usbhcd189.zip


They will eventually make it into directory:
/pub/os2/system/drivers/misc


1) USBUHCD,USBOHCD,USBEHCD: booting from USB should now work


2) USBEHCD: performance should be back to normal


3) USBUHCD,USBOHCD,USBEHCD,USBD: did some changes to improve device
attach when devices are already attached on bootup


a) there is currently a problem with USBD.SYS if an external hub is
repeatedly plugged an unplugged. We are working on getting it fixed.


b) there is not yet isochronous device support (webcams etc.) in
USBEHCD. We are working on it.



DO NOT mix USBUHCD,USBOHCD,USBEHCD with a USBD of different version.
It will most likely not properly work.


 


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