• Diagnostic and analytical tools, including TSRs that monitor current I/O and serial port status on screen
• Equipment detection routines for the disk, diskette, PCI, video, and other important aspects
• CPU detection routines to identify the CPU, FPU, speed, vendor, and other critical information, including the presence of MMX, and identity of the true instruction set.
• Utilities to identify and test undocumented CPU instructions
• A Model Specific Register (MSR) program that describes many undocumented registers by name and provides quick access to hidden registers
• Demonstration utilities to access CMOS memory, the keyboard controller and other subsystems
• View contents of the BIOS data areas with identification of function by name

Plus, you get complete documented source code for all utilities on the disk!