Troubleshooting
96M4011o User’s Manual
5-7
disable PS/2 mouse to release IRQ #12,
…, etc.
A quick review of the basic IRQ mapping is given below for your reference.
IRQ#
Description
IRQ #0
System Counter
IRQ #1
Keyboard
IRQ #2
Programmed Controller
IRQ #3
COM2
IRQ #4
COM1
IRQ #5
Nothing
IRQ #6
Floppy Disk Controller
IRQ #7
Printer Port (Parallel Port)
IRQ #8
CMOS Clock
IRQ #9
Nothing
IRQ #10
USB interface
IRQ #11
Nothing
IRQ #12
PS/2 mouse
IRQ #13
Data Processor
IRQ #14
Primary IDE Controller
IRQ #15
Secondary IDE Controller
It is then very easy to find out which IRQ resource is ready for additional
peripherals. If IRQ resource is not enough, please disable some devices listed above
to release further IRQ numbers.
5.4 OS
Diagnostics
What will be presented here is a brief guide to properly house-in the driver for any
Microsoft Windows-95/98/NT device. For other operating systems, please refer to
OS manual/guidebook.
Booting
Users may find quite a lot of Windows-95/98 hang during loading sequence.
Windows logo stays with no progress, or simply no display is given. Please restart
your system and hit “F5” when loading the Windows system and enter “Safe mode”.
Users will always be allowed to enter “Safe mode” with success to remove devices
that are not properly running or installed. Please proceed to do so and restart your
Windows. Devices with removed drivers will be automatically detected again. The
drivers will be loaded automatically, if drivers have been included in the system
database, else you will be asked to provide driver source for installation.