Stephen Guendert, Ph.D.

Steve Guendert, aka “Dr. Steve”, is in an IBM Z senior engineering role based in Poughkeepsie where he is on the IBM Z Hardware architecture team. He works on all aspects of IBM Z I/O and timing architecture, including the Server Time Protocol (STP), FICON and zHPF architectures. He is a member of the Mainframe Hall of Fame and the IBM Academy of Technology.

3 Important I/O Features Coming with the IBM z14

Sep 20, 2017 | Mainframe

17 July 2017 marked the IBM announcement of the latest IBM mainframe: the IBM z14. Congratulations to the IBM Z team on a successful launch of what looks to be yet another in a long and distinguished history of superb enterprise computing platforms. Similar to the...

The Value of Technical Subject Matter Experts (SMEs)

Feb 15, 2017 | IT Organizations

Like many of my fellow Planet Mainframe readers, I belong to several LinkedIn professional groups. Recently, there was a vibrant discussion thread going on in one such group that discussed subject matter experts and their value. It gave me an idea for a blog post....

FICON CUP and Advanced Diagnostics

Sep 15, 2016 | Mainframe

The FICON Control Unit Port (CUP) provides an in-band management interface defined by IBM that defines the channel command words (CCWs) that the FICON host can use for managing the switch. The protocol used is the IBM version of the ANSI FC-SB4 single-byte command...

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