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Resolving Configuration Conflicts
Plug and Play
Most adapters designed for PCI slots are Plug and Play devices that are
auto-configuring. However, many ISA adapters are not Plug and Play devices and
you must allocate the system resources that the adapter will use. Select Plug and
Play to identify the available system resources:
Memory
I/O ports
DMA
Interrupt
Note: The menus do not contain resources that are used by the system or by
previously installed Plug and Play adapters.
Select Plug and Play; then, use the Up Arrow (↑) and Down Arrow (↓) key to
highlight the system resource that you want to change. Use the Left Arrow (←) or
Right Arrow (→) key to toggle from Plug and Play to ISA Legacy for the selected
menu choice.
Error Log
Select Error Log to view the three most recent power-on self-test (POST) errors
the system has generated, or to view the system error log. You can clear both
error logs from this screen by selecting Clear Error Logs.
Configuring PCI Features and Options
PCI devices automatically communicate with the server configuration information.
This usually results in automatic configuration of a PCI device. If a conflict does
occur, see “Resolving Configuration Conflicts.”
Multiple-function PCI adapters use more than one interrupt. When you install one
of these adapters, review the IRQ assignments in the Configuration/Setup utility
programs (see “PCI Bus Control” on page 29). Verify that the IRQ assignments
are correct.
Your Netfinity 5000 server uses a rotational interrupt technique to configure PCI
adapters. This technique enables you to install a variety of PCI adapters that
currently do not support sharing of PCI interrupts. For information on manually
overriding the interrupt setting, see “PCI Bus Control” on page 29.
Resolving Configuration Conflicts
The resources used by your server consist of IRQs, DMA, I/O port addresses, and
memory. This information is useful when a resource configuration conflict occurs.
Conflicts in the configuration occur if:
A device is installed that requires the same resource as another device. (For
example, a conflict occurs when two adapters try to write to the same address
space.)
A device resource is changed (for example, changing jumper settings).
A device function is changed (for example, assigning
COM1
to two serial ports).
30 Netfinity 5000 Server Hardware Information and Procedures