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Chapter 5 Error Messages
54
Code Description Problem/Solution
0020 ISA initialization problem
(This does not apply to tc3100)
The ROM on the accessory board is bad or the board has a conflict
with a system board reserved resource (address, DMA, or IRQ).
To correct this:
1. Change the resources used by the ISA accessory boards.
2. Try to disable (free) resources used by system board devices.
3. If the problem persists, the accessory board may be defective.
Contact the accessory board vendor.
0021 PCI Configuration conflict A configuration problem has occurred with a PCI device. The PCI
device or accessory board doesn’t match PC setup settings or has
conflicts with PC resources (reserved memory space, IRQ or DMA
channels).
To correct this:
1. Clear the PCI configuration with the CMOS status switch. Refer
to Chapter 6, "Troubleshooting."
2. If necessary, use the Setup Utility to manually configure the PCI
devices.
3. Check for any further PC resource, which can be used. Use
Setup Utility to disable any unused function, such as I/O ports or
IDE controllers.
4. Start the Operating System and let it update the PCI
configuration.
0022 Plug & Play ISA initialization
problem
(This does not apply to tc3100)
The Plug & Plug ISA accessory board has reported an initialization
problem. The ROM on the accessory board is bad or the Plug & Play
BIOS cannot solve a conflict issue with a system board reserved
resource.
To correct this:
1. Clear the Plug & Play configuration with the CMOS status
switch. Refer to Chapter 6, "Troubleshooting."
2. Try to disable (free) resources used by system board devices.
3. Run the Plug & Play utility supported by your Operating
System.
4. If the problem persists, the accessory board may be defective.
Contact the accessory board vendor.
0030 Processor Speed selection
problem
(This does not apply to tc3100)
POST has detected the processor speed selected with system board
switches does not match the processor's speed.
Refer to Chapter 6, "Troubleshooting," for the correct switch setting.
0040 PC Serial Number initialization
problem
POST has detected the PC Serial Number has been lost or has not
been initialized.
Pressing F2 will automatically run the HP Serial (BIOS) Utility and
allow you to enter the Serial Number.
0050 Processor Cooling/Heating
problem
POST has detected a cooling fan problem.
The processor cooling fan needs to be connected.