Release Notes for USB Driver
FileName:       Release.txt

Version:        4.7.0.0
ReleaseDate:    01/18/2010
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP, VISTA, Windows7.
1) Fixes blue screen issue on multi core or multi processor.



Version:        4.6.0.0
ReleaseDate:    02/12/2008
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP, VISTA.
1) Enhanced USB error detection and handling.
2) Added automatic error recovery on non-critical errors
3) Corrected problem introduced in driver version 4.0
Where sometimes the return status code was handled incorrectly.



Version:        4.3.0.0 - 4.5.0.0
1) Internal Release. Non-Public release.


Version:        4.2.0.0
ReleaseDate:    11/04/2007
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP, VISTA.
1) Corrected the status code returned from the base USB driver. 


Version:        4.1.0.0
ReleaseDate:    11/04/2007
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP, VISTA.
1) Adding a semaphore to prevent multi core or multi processor from accessing the same code at the same time.
Fixes a problem on  multicore/multi processor machines


Version:        4.0.0.0
ReleaseDate:    05/04/2007
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP, VISTA.
1) Corrected power down requests to support vista.


Version:        3.1.0.0
ReleaseDate:    05/06/2004
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Corrected unbalanced PendingIoCount in IRP_MJ_POWER/IRP_MN_SET_POWER. This
function is called when the OS hibernates. Before this fix the OS would hang
while shutting down if a hibernate/startup was executed before the shutdown.

Version:        3.0.0.0
ReleaseDate:    03/19/2004
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Added wait event to hold off vendor write while a previous
write is still pending. Fixes hangup and bluescreen issues is
mutliprocessor and hyperthreading machines.


Version:        1.00.5001.6
ReleaseDate:    01/23/2004
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Fixed fatal error: Bug Check 0x9F: DRIVER_POWER_STATE_FAILURE
This error occurred on WIN2000 machines when the power button
was pressed. Changed Power IRP sent by PNP Power Manager to be
called at PASSIVE_LEVEL IRQL instead of DISPATCH_LEVEL.

Version:        1.00.5001.5
ReleaseDate:    11/24/2003
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Increase IRQL level before checking if the IRP has
been already completed. With out this and with heavy
driver polling the you sometimes got blue screens.


Version:        1.00.5001.4
ReleaseDate:    06/10/2002
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Changed the way the driver detect read and write
commands.
2) Added support for 16 byte data commands. This is required
for the serial port and write 8 byte strobe functions.


Version:        1.00.5001.3
ReleaseDate:    03/19/2002
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Fixed error with coping devicename to registry.
a) Changed wcslen() to 2*wcslen() in lampusb.c line 792.
b) Changed the way the device name is modified when copying
the device name to the registry. This fixes the problem with
the VB example and Windows XP. -lampusb.c line 289.
2) Added code to only allow one file pipe to be opened at one
time.

Build Updates:  2/24/2002 11:55PM
1) Renamed the strings to Delcom USB IO Driver
2) Changed output files to USBIODS.SYS


Version:        1.00.5001.2
ReleaseDate:    01/03/2002 Initial public release.
Build:          2KDDK
Supports:       Win98, ME, Win2000, XP.
1) Cleaned up the code removed read and write file.
2) Moved IOCTL context to deviceExtension too increase speed.
3) Fixed problem in Win2000(NT) with Usb driver
not allowing shutdown process to work correctly.
4) Cleaned up some of the SuddenRemoval (ie Cord Pulled) this
fixes the blue screen when the cord is yanked during device I/O.
5) Added support for the IRP_MN_QUERY_CAPABILITIES IRP which
allows us to turn off the "Unplug or Eject Hardware" logo on
the task bar. 12/28/2001 3:24AM.
6) Fixed the problem with Win2000 crashing when USB cable is
disconnected.  Add code to handle the Windows message
IRP_MN_SURPRISE_REMOVE that only Win2000(NT) calls.


Version:        1.00.5000.1
ReleaseDate:    08/15/1999
                Orginal Release