Chapter 8: BIOS Flashcards
Intels southbridge is aslo know as the
Input/output Controller Hub (ICH)
The memory controller chip is also know as the
Northbridge
AMDs southbridge is aslo know as the
Fusion Controller Hub (FCH)
The northbride deals with two main connections
RAM and the video card
The southbridge is in charge of what connections
USB controllers and HDD controllers
Meaning of BIOS
Basic input/output services
Where is the BIOS stored
On the read-only memory chip (ROM)
Modern motherboards use a type of ROM called
Flash ROM
What does a ROM chip store
Basic programs for the CPU to communicate with devices Ex. BIOS
What type of chip uses firmware
ROM
Where is the CMOS located
On the southbridge
the CMOS stores what
Data that is read by BIOS
Upping the CPUs clock and bus speed is referred to what
Over clocking
What does the power-on self test do
Check all of the PC components
One long beep followed by two or three short beeps
Bad or missing video
A single beep that repeats indefinitely
Bad or missing RAM
To wake the CPU a singular must travel through
The power good wire
What is a boot strap loader
Reads CMOS info which tells it where to look for the OS
Installing firmware upgrades is also referred to as
Flashing the BIOS/CMOS
What is an option ROM
Option ROM comes installed on an expansion card
What does an option ROM do
Provide it’s own BIOS
