Agilent Technologies Infiniium 80000 Series Service Manual page 93

Chapter 5: Troubleshooting
Motherboard Verification
Check that the motherboard switch cable
A No
is seated properly.
Use tweezers to short the reset pins
turn on & does
motherboard beep
(@10 sec)?
Remove all PCI cards and disconnect
hard drive, CD drive and floppy drive
from the motherboard.
Use tweezers and motherboard switch
cable to try and get the motherboard to
turn on & does
motherboard beep
(@10 sec)?
Start adding components back in one at
a time. Remove all cables from cards and
add them back on one at a time also
92
Is
No
cable
OK?
together.
Do fans
Yes
No
boot.
Do fans
No
Yes
Motherboard verification
See Figure 5-15.
Go to 'Front Panel
Button Debug'.
Replace motherboard if
all components removed
& motherboard still does
not boot.
Go to 'Primary
Trouble Isolation'.