
POST Message Description
1800 A PCI adapter  has requested a  hardware interrupt that  is not
available.
Action:
1. Make sure that  all ISA legacy  adapters are set  correctly in the
Configuration/Setup Utility program. If the  hardware
interrupt settings are  not correct, change  and save the  settings.
Setting the resources  used by ISA  legacy adapters to  Not
available enables the  Plug and Play  function to configure
around the legacy  adapters.
For background information  on PCI, ISA,  Plug and Play,  and
legacy (non-Plug and  Play) adapters, refer  to Installing Options
in Your Personal  Computer. For  information about required
interrupt resource settings  for ISA legacy  adapters, refer to  the
documentation that comes  with these adapters. For
instructions on using  the Configuration/Setup Utility  program,
see “Configuring Your  Computer” on page 22.
2. Make sure that  switches on all  ISA legacy adapters  are set
correctly. For  information about switch  settings, refer to the
documentation that comes  with the ISA  legacy adapters.
3. If all hardware  interrupts are being  used by ISA  legacy
adapters, you might  need to remove  an ISA legacy  adapter to
make an interrupt  available to the  PCI adapter you  want to
install. For  instructions on removing  adapters, see Installing
Options in Your  Personal Computer.
Note:  If you  remove an ISA  legacy adapter, set the  hardware
interrupt used by  the removed adapter  to Available
before installing another  adapter.
4. If you have  other PCI or  Plug and Play  adapters installed, you
might need to  remove one of  these adapters to  make an
interrupt available to  the PCI adapter  you want to  install.
If the problem  cannot be isolated  and corrected, have  the computer
serviced.
74 Using Your Personal Computer