Lenovo PC 300PL Using your Personal Computer - PC300PL - 6562 - Page 97

If the DMA

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POST Message 1856 Description A Plug and Play adapter has requested a DMA address that is not available. Action: 1. Make sure that settings for all ISA legacy adapters are correct in the Configuration/Setup Utility program. If the DMA address 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 DMA 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 "Using the Configuration/Setup Utility Program" on page 33. 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 DMA addresses are being used by ISA legacy adapters, you might need to remove an ISA legacy adapter to make a DMA address available to the Plug and Play 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 DMA address 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 a DMA address available to the Plug and Play adapter you want to install. 5. If your system will be loading a Plug and Play operating system, ensure that Plug and Play Operating System is set to Yes. See "Changing Plug and Play Control Features" on page 39 for more information. 6. Ensure that the address decode value for the adapter is properly set. See "Changing Plug and Play Control Features" on page 39 for more information. If the problem cannot be isolated and corrected, have the computer serviced. Chapter 6. Solving Problems 83

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POST Message
Description
1856
A Plug and Play adapter has requested a DMA address that is not
available.
Action:
1.
Make sure that settings for all ISA legacy adapters are correct
in the Configuration/Setup Utility program.
If the DMA
address 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
DMA 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 “Using the Configuration/Setup Utility Program” on
page 33.
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 DMA addresses are being used by ISA legacy adapters,
you might need to remove an ISA legacy adapter to make a
DMA address available to the Plug and Play 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 DMA
address 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 a DMA
address available to the Plug and Play adapter you want to
install.
5.
If your system will be loading a Plug and Play operating
system, ensure that Plug and Play Operating System is set to
Yes
.
See “Changing Plug and Play Control Features” on
page
39 for more information.
6.
Ensure that the address decode value for the adapter is
properly set.
See “Changing Plug and Play Control Features”
on page
39 for more information.
If the problem cannot be isolated and corrected, have the computer
serviced.
Chapter 6.
Solving Problems
83