User`s manual

Am486
®
Microprocessor PCI Customer Development Platform
1-9
I configured the CMOS RAM and
saved my settings, but settings are
lost the next time I turn on the PCI
CDP.
Make sure a fresh 3.0-V 20-mm coin cell is installed
correctly (“+” side facing up) in the BT1 battery holder
at location E12.
I don’t hear any sound from the
diskette drive and the system does
not boot from a diskette.
Check that the 34-wire cable to the diskette drive is
properly connected at both the drive end and the board
end (board connector J6 at location E20). The red wire
should be oriented towards pin 1 on both the drive and
the board.
Check that the CMOS setup indicates that drive A is the
correct size and capacity for your diskette drive.
I hear the diskette being accessed
but get an error message “Non
System disk” or “Drive A not
found.”
Check that the diskette in the drive is bootable, just as you
would on a standard PC.
Make sure the diskette drive is connected properly to the
last connector on the cable.
In the BIOS setup utility, make sure the BIOS is
configured to boot from diskette, and that the diskette size
and density is configured properly.
I get a “Missing Keyboard” error
message on the monitor during
boot-up.
Check that an AT-style keyboard is properly connected.
The BIOS debugging monitor
prompt is displayed.
Make sure the NMI switch is not pressed.
Check that the DRAM and any PCI or ISA-bus devices
are installed correctly and known to be functional.
Table 1-1. Installation Troubleshooting (Continued)
Problem Solution