Editor's note: IPU did not read cleanly from the submission tape. What could be salvaged is here. VERSION 2 April 18, 10:16am The I/O Page Utility (IPU) was developed to provide users with a utility to access and analyze the Q-bus I/O Page of VAXELN target systems. IPU is similar to the console emulator Octal Debugging Technique (ODT) used on the LSI-11/23 and PDP-11/23 computers. Currently the VAXELN Toolkit does not furnish a tool for this type of analysis. IPU provides the user with an interactive interface to control and monitor the characteristics and activities associated with the I/O Page of a VAXELN target system. A set of commands, similar to DCL, allow the user to configure the session work environment; to inspect and manipulate registers in the Q-bus I/O Page; and to trouble shoot communications with I/O devices. VERSION 3 April 24, 1991 VAXELN I/O Page Utility This session will discuss a software tool developed to assist software engineers in the analysis of the Q-bus I/O Page of VAXELN target systems. The I/O Page Utility (IPU) is similar to the console emulator Octal Debugging Technique (ODT) used on the LSI-11 and PDP-11 computers. Currently the VAXELN Toolkit does not furnish a tool for this type of analysis. IPU provides the user with an interactive interface to control and monitor the characteristics and activities associated with the I/O Page of a VAXELN target system. A set of commands, similar to DCL, allow the user to: o Configure the session work environment. o Inspect and manipulate registers in the Q-bus I/O Page. o Trouble shoot communications with I/O devices. This session will describe why the utility was developed and how the utility can be used.