[Elecraft] What is IOC ?

FWK2MCIO K2 MCU F/W Upgrade to 2.04; K2 IOC Upgrade to 1.09 (IOC Req'd for this upgr.) $44.00 In regard to the above firmware upgrade offering for the K2, what is meant by IOC? Bill K3UJ ___

RE: [Elecraft] What is IOC ?

Bill, The IOC chip is located in its socket near the center of the K2 RF Board. It is the Input/Output Controller. 73, Don W3FPR -Original Message- FWK2MCIO K2 MCU F/W Upgrade to 2.04; K2 IOC Upgrade to 1.09 (IOC Req'd for this upgr.) $44.00 In regard to the above firmware

Re: [Elecraft] What is IOC ?

Don, What threw me was the advisement that (IOC Req'd for this upgr.) Wouldn't IOC be a part of EVERY functioning K2? I don't see why they saw fit to include that requirement for the upgrade. Bill Bill, The IOC chip is located in its socket near the center of the K2 RF Board. It is

RE: [Elecraft] What is IOC ?

Bill, The IOC upgrade was not required with previous microprocessor level changes, but starting with uP revision 2.04 (which adds the K60XV support), the relay control sequence changed (this has nothing to do with the KIO2), and the IOC had to be changed as well. It just so happens that the 2.04