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© Copyright IBM Corp. 2000 29
Chapter 5. System software
This section briefly describes some of the system software included with your
computer.
BIOS
Your personal computer uses the IBM basic input/output system (BIOS), which is
stored in flash electrically erasable programmable read-only memory (EEPROM).
Some features of the BIOS are:
• PCI support according to PCI BIOS Specification 2.2
• Microsoft PCI IRQ Routing Table
• Plug and Play support according to Plug and Play BIOS Specification 1.1a
• Advanced Power Management (APM) support according to APM BIOS Interface
Specification 1.2
• Wake on LAN support
• Wake on Ring support
• Remote Initial Program Load (RIPL) and Dynamic Host Configuration Protocol
(DHCP)
• Flash-over-LAN support
• Alternate startup sequence
• IBM Look and Feel - such as screen arrangements and user interface
• ACPI (Advanced Configuration and Power Interface)
• IDE Logical Block Addressing (LBA)
• LSA 2.0 support
• Digital optical disk support
• LS-120 disk drive support
• DM BIOS 2.1 (DMI 2.0 compliant)
• PC99 compliance
Plug and Play
Support for Plug and Play conforms to the following:
• Plug and Play BIOS Specification 1.1a and 1.0
• Plug and Play BIOS Extension Design Guide
• Plug and PLay BIOS Specification, Errata, and Clarifications 1.0
• Guide to Integrating the Plug and Play BIOS Extensions with system BIOS 1.2
• Plug and Play Kit for DOS and Windows
POST
IBM power-on self-test (POST) code is used. Also, initialization code is included for
the on-board system devices and controllers.
POST error codes include text messages for determining the cause of an error. For
more information, see “Appendix D. Error codes,” on page 55 and your PC 300GL and
PC 300PL User Guide.