BIOS to pc performance

# BIOS Backup: Sometimes the BIOS program on your motherboard can become corrupt and your PC will not function properly. So, you need to always keep a backup of a good version of the BIOS on a floppy disc. If something ever goes wrong with the BIOS, you can flash (overwrite) it with your backup. The software used to backup or flash the BIOS is usually available on the motherboard driver CD or on the motherboard/BIOS manufacturer’s website. Refer the motherboard manual for step-by-step instructions on using the BIOS flash software.

# Do not Detect Absent Devices: When a PC is started, the BOIS checks all available ports/connectors on the motherboard to identify devices attached to them. Usually, not all of these ports/connectors have devices attached to them and bootup time gets unnecessarily prolonged. For example, even if you have only one IDE drive on your PC, the BIOS will still check the other three IDE connectors. To avoid this delay, enter the BIOS Setup program and change the settings to Disabled or None for these ports/connectors. However, when you add new hardware components, make sure to change their BIOS setting to Auto so that they get properly detected.
# Supervisor Password: To prevent your BIOS settings from being changed by anyone else, set a Supervisor password in the BIOS and do not set the user password.
# User password: If you want to prevent access to anyone else, then set the User password.
# Remote access: If you often travel with a laptop PC, you might have felt the need to connect to your desktop PC at home. All you need to remotely access your home PC is a telephone connection. In the power settings section of the BIOS, set the PC to wake up on external modem act. When you leave home, keep the modem powered on, the PC switched off, and the power line connected. Use your laptop to dial your home number. When your modem at home receives the call, the PC will switch itself on. You can then use software-based networking to retrieve files from your machine. You can also use the same principle to send faxes to your PC and make it work like a fax machine. To shut down your the desktop PC remotely, you can simply rely on OS power schemes or use a remote access software.
# Boot sequence: After you have installed your OS, set your hard disk first in the boot-up sequence with the CD drive and the floppy following it in that order.
# Quick Power On Self Test: Keep this enabled and save on boot-up time.
# Boot Up Floppy Seek: Keep this disabled.
# PCI Expansion Cards: PCI add-on cards will not work properly if there is IRQ sharing conflict. Refer the motherboard manual for an IRQ number that has been designated as for PCI IRQ Steering. Set this number as the IRQ for the devices in the BIOS setup. Many devices will happily share their IRQ with other devices. However, some devices like graphic cards and TV tuner cards have heavy performance requirements and will not work with a shared IRQ. Provide these cards with a dedicated IRQ.

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