Configuring Memory
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
“Configuration Conflicts” on page 299.
Assigning Interrupt Levels
Your PC Server 520 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.
Always use the backup copy of the IBM PC Server 520 EISA
Configuration Diskette when assigning interrupts for EISA and ISA
adapters. You cannot assign an EISA or ISA adapter the same
interrupt that you have assigned to a PCI adapter. This is because
the PC Server 520 does not support interrupt sharing among PCI,
EISA, and ISA adapters.
If a situation occurs where you need an additional interrupt, you
can use an interrupt from another function that you might not need,
such as COM2 (Interrupt 3).
Configuring Memory
After you add (or remove) extended memory, you must update the
EISA Configuration Diskette.
Note: Not performing the following procedure could result in
memory errors, and in your operating system not recognizing
your added (or removed) memory.
1. Start the EISA Configuration Diskette (see “Starting the EISA
Configuration Diskette” on page 297).
2. Select Step 3, View or edit details. The system information
appears.
3. Under Advanced System Feature Setup, select Total System
Memory.
Chapter 6. Configuring Your Server 293
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