
	OLYMPUS DIGITAL CAMERA USB PATCH
	================================


This patch file has been released to allow reading/writing to Olympus digital
cameras: it has been tested only with C220Zoom model, but should work also with
other models, since they share the same protocol. It is known that doesn't work
with C-3030Z models (they aren't mass storage class devices).

Requirements: USBMSD.ADD version 1.3, build 10.083 released on 04 July 2002. 
Previous patches have been renamed to USBMSD-073.PATCH and USBMSD-074.PATCH
To check your driver revision, issue the following command:

	BLDLEVEL USBMSD.ADD

and check the revision field.

To apply the patch, make a backup copy of USBMSD.ADD, place USBMSD.PATCH in the
x:\OS2\BOOT directory and run

	PATCH USBMSD.PATCH /A

Reboot to load the modified driver. The camera is not automatically recognized, double
click on 'Refresh removable Media' in the Drives folder, or run 'LVM /RediscoverPRM'
from the command line.

On my system this allow reading and writing capabilities, but it seems that ejecting
the media (both WPS or using eject.exe) can make it undiscoverable until reboot.

Maybe this patch could work also with other devices, let me now if it works for you.

If your driver does not match the patch file, it is a different release. In this case,
you should search the file for the hex sequence listed after 'VER 3AAE', and modify
the initial address (3AAE for my driver) for both VER and CHA lines. E.g. the same
sequence was located at address 3AA7/3AC7 in previous drivers.

-----------------------------
Yuri Dario <mc6530@mclink.it>



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