Chapter 5: Troubleshooting
To check the motherboard, CPU, and RAM
5–21
To check the motherboard, CPU, and RAM
This procedure verifies that the PC system board and the associated CPU and RAM are
fun ct ionin g. It assu me s t ha t t he powe r sup ply, SVGA di sp lay b oard, and an exter nal VGA moni tor
are functioning correctly.
1
Connect an external keyboard to the keyboard port.
2 Connect an external VGA monitor to the VGA output connector on the rear panel.
3 Hold down the Insert key on the external keyboard, then apply power to the
oscilloscope.
4 Verify that a message, such as the following, appears on the external monitor:
AMI Atlas-III PCI/ISA
AMD-K6(tm)-/200
Checking NVRAM
16000 KB OK
WAIT...
<INS> Pressed
RUN SETUP
Press F1 to Resume
If the above message is displayed, you can assume that the PC system board, CPU, and RAM are
functioning correctly.
If the message is not displayed or there is no display, remove the GPIB interface board and LAN
interface board and try the test again. Procedures to remove the interface boards are given in
chapter 6, “Replacing Assemblies.”
If you need to run setup, press F1. Otherwise, turn off power and proceed with troubleshooting.
See “To configure the motherboard jumpers and set up the BIOS” for information.
Messages Vary Slightly
These messages may vary slightly depending on the motherboard version.
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