libftdi Archives

Subject: Re: Support for FT232R EEPROM

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 18 Aug 2010 10:11:37 +0200
On Tuesday, 17. August 2010 23:04:56 DJ Delorie wrote:
> Note that the FT232R has a factory-installed serial number in it.  To
> preserve that, it's very important to read the existing EEPROM image
> first, modify it as desired, then write it back.  Creating new images
> from scratch is a bad idea.

Good point. Maybe we could prevent this and disallow flashing the eeprom
if it's an R type chip and the serial is 000000?


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