Simatic S7 200 S7 300 Mmc Password Unlock 2006 09 11 Rar Files |best| -

If you have a legitimate S7-300 CPU (pre-2006 firmware) and an MMC card you cannot access, here is the documented process from the 2006-09-11 method:

In 2006, a specific solution caught the attention of the industrial automation community. A rar file, dated 09 11 2006, purportedly contained a method or tool to unlock the MMC password for S7 200 and S7 300 devices. The exact details of how this method works have been under wraps, likely due to the sensitive nature of bypassing security measures. If you have a legitimate S7-300 CPU (pre-2006

How do you reset a SIMATIC S7-300 CPU and MMC (default ... - Support dated 09 11 2006