eric.bach...@free.fr said: > an the chipset inside FS4000US be a National Semiconductor LM98501 or > a LM98503 ? The to one I think are 10-Bits (18 ou 27 MHz) MSPS Camera > Signal Processor.
Very unlikely. This scanner as I understand it is a combo USB/SCSI scanner. Only a deranged loony would do anything other than have the USB interface be some encapsulation of the SCSI commands. You have to have the SCSI stuff anyway so doing anything other than sticking a standard USB/SCSI converter chip in would be a very odd design decision. The way I would go about reverse engineering the protocol would be to do something like operate it with Vuescan under Linux and have the sg driver log the commands. Then repeat with USB under either Linux or Windows and log the USB transactions. Then it should not be that complicated to work out how the SCSI commands are encapsulated in the USB. JAB. -- Jonathan A. Buzzard Email: jonathan (at) buzzard.me.uk Northumberland, United Kingdom. Tel: +44 1661-832195
