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<blockquote data-quote="cybrmage" data-source="post: 223261" data-attributes="member: 51680">Yes... The fan speed is shown as changing, but MHC is not sending any fan speed commands to the display.MHC is sending (after startup and before shutdown)A0 - clear displayA1 00 A7 ... - display text on line 1A2 00 A7 ... - display text on line 2AD - define custom charactersAF - request temperature reportBut it is not sending fan speed control commands (AC XX YY)It doesn't seem to be sending any commands for fan control.This lead me to beleive that MHC is communicating directly with the fan controller over the USB bus rather than the serial port. If the manual fan control options in the driver work to control fan speed, this can be overcome.How does the device appear in device manager? does it appear as a USB Composite device? Does it install more than one virtual serial port?Much appreciated!Regards,CybrMage</blockquote>

[QUOTE="cybrmage, post: 223261, member: 51680"] Yes... The fan speed is shown as changing, but MHC is not sending any fan speed commands to the display. MHC is sending (after startup and before shutdown) A0 - clear display A1 00 A7 ... - display text on line 1 A2 00 A7 ... - display text on line 2 AD - define custom characters AF - request temperature report But it is not sending fan speed control commands (AC XX YY) It doesn't seem to be sending any commands for fan control. This lead me to beleive that MHC is communicating directly with the fan controller over the USB bus rather than the serial port. If the manual fan control options in the driver work to control fan speed, this can be overcome. How does the device appear in device manager? does it appear as a USB Composite device? Does it install more than one virtual serial port? Much appreciated! Regards, CybrMage [/QUOTE]

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