I want to know what function the CPLD fulfills on my m610. Is this somehow a part of driver updating?

Thanks,
Rob

PC Magazine offers this definition:

http://www.pcmag.com/encyclopedia_term/0,,t=&i=40432,00.asp

(Complex PLD) A programmable logic device that is made up of several simple PLDs (SPLDs) with a programmable switching matrix in between the logic blocks. CPLDs typically use EEPROM, flash memory or SRAM to hold the logic design interconnections. See PLD and SPLD.