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- SYSINFO
-
-
- MEMORY MAP
- This report lists all DOS Memory Control Blocks along with their
- address, type (data, program, environment etc.) & owner. Use this to
- determine what TSRs have been loaded before QAPlus.
-
- INTERRUPT
- Use this report to properly configure any boards you are adding and
- avoid any IRQ conflicts without having to check each installed board
- to figure out how it is configured. The Interrupt Screen shows
- three areas of information:
-
- SYSTEM SOFTWARE shows the ROM BIOS vendor and DOS Version you are
- using.
-
- DMA CHANNEL usage shows how the Direct Memory Access channels are
- configured.
-
- INTERRUPT ASSIGNMENTS indicate how the Interrupt Requests (IRQs) are
- configured. QAPlus may be unable to identify interrupts used on
- certain non-standard expansion boards.
-
- At the end of this report, QAPlus will loop for approximately two
- seconds, looking for any interrupts which occur without apparent
- reason. Interrupts of this nature are called stray or spurious
- interrupts. If any stray interrupt activity is detected, 'STRAY'
- will be listed as using a particular IRQ line. Any other devices
- listed along with 'STRAY' MAY be incorrectly identified. This is due
- to the fact that a 'STRAY' interrupt may have occurred when QAPlus
- was testing a particular device, causing that device to be
- incorrectly identified.
-
- HARDWARE
- The Hardware screen shows the configuration of standard hardware
- that is in use by your computer including the type of CPU and
- numeric co-processor (if any), the amount and type of memory, the
- video configuration, hard drives (note: If you have a large hard
- drive that has been partioned into several logical drives, this
- partitioning will not show. Only separate physical hard disk drives
- will be shown), floppy disk drives, a clock / calendar, parallel
- (LPT) and serial (COM) ports and a game port (Joystick) and/or mouse
- will be displayed.
-
- DEVICE DRIVERS
- Device drivers are software that permits DOS to communicate with
- different types of hardware such as disk drives. The information
- presented is helpful to a hardware technician in diagnosing possible
- conflicts between devices.
-
- ENVIRONMENT
- The environment displays information used by DOS and other programs
- to define the environment they use. Some of the more obvious
- environment information items are COMSPEC which tells DOS where to
- find COMMAND.COM and PATH, which tells DOS where to search for
- programs.
-
- DISK PERFORMANCE
- Three aspects of disk performance are shown. Track-to-track and
- average seek times are determined through low level calls to the
- BIOS. Lower numbers represent higher performance. DOS File
- Transfer measures the time to write a file using DOS. The file size
- as well as the record size used are shown below the transfer window.
- Higher numbers represent higher performance. A disk cache program
- will substantially increase the DOS File Transfer performance. Note
- that this does not measure the raw tranfer speed of the disk
- subsystem. Rather, it is an indication of overall DOS file
- throughput.
-
- SYSTEM PERFORMANCE
- System Performance, through 11 different tests measures the
- performance of the CPU (Dhrystones), Video and Math processing
- (Whetstones). The CPU type (8088, 80286, 80386 or 80486)
- is shown along with its clock speed in MHz.
-
- If a Numeric co-processor is present, it is identified (8087, 80287,
- or 80387). A bargraph comparing the speed of the CPU with other
- popular computers is displayed.
-
-
- *** END ***
-