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48 Cards in this Set

  • Front
  • Back
______ has replaced IDE as the standard drive connection
SATA
CMOS
complimentary metal-oxide-semiconductor
Most popular motherboards are:
AT
ATX - has more poweer management features;
- supports faster systems
- easier to install
The selection of motherboard determines:
the capabilities and limitations of the system
The chipset controls:
all buses
Motherboard components:
CPU and accompanying chipsets:
ROM BIOS
RAM
Buses and expansion slots
Components used to change hardware config settings
Basic components of CPU:
I/O unit
ALU - Arithmetic Logic Unit
Control unit
Temporary storage in CPU:
Registers
Pentiums:
2 ALU's:
64 bit eternal path size
2 32 bit internal paths (one for each ALU)
speed measured in MegaHertz that determines how fast the memory and CPU run:
bus speed
clock speed (cycles per second):
processor speed
Ratio between the CPU and FSB:
Multiplier
Temporary high speed storage mechanism
memory cache
CPU slots and sockets
CPU and motherboard must match
Slots 1 & 2 are Intel proprietary slots
Slot A and Socket A are AMD proprietary connectors
Raised CPU sockets help with ______
cooling
typical voltage:
3.3 volts is most common but not all components use 3.3 v so voltage regulators are used to step down the voltage.
less voltage =
less heat
Controls the amount of voltage to the CPU:
VRM (Voltage Regulator Module)
Rom should only be updated when:
when there is an issue with the motherboard
or
There is a feature you want to use
Bios for most manufacturers can be updated at:
unicore.com
Buses evolved around what 2 things?
Speed and data path
Local bus (system:
high speed data connection directly linking peripheral devices to the processor and memory, allowing activities that require high data transmission rates (video display)
External Bus (ISA):
allows expansion of computer
buses carry:
control signals
electrical power
memory address
data
Onboard ports, risers, and connectors are:
buses and expansion slots
Buses and expansion slots:
evolved around speed and data path
local bus (system)
expansion bus (ISA)
buses carry elect pwr, cntrl signals, mem add, & data
onboard ports, risers, and connectors
Components used to change hardware settings:
* jumpers
* DIP Switches
* CMOS -also called real-time clock/nonvolatile RAM chip (RTC/NVRC)
Form factor defines
– Size of the motherboard
– General location of components and parts
Chipset defines
– Type of processor and RAM supported
Built-in components determine
– The core functions of the system
Categories of CMOS settings:
*Standard
* BIOS Features menu
* Advanced Chip Set Setup
* IDE HDD Auto-Detect
* Hardwre Device Settings
Attributes Used to Rate CPUs:
* Processor core speed (GHz)
* Word size and Data path
* Efficiency/special functionality of prog code
* System bus speeds the processor supports
* Amount of memory included w/CPU (int/ext cache)
* Type of RAM, MB, and Chipset the CPU supports
* Multiprocessor abilty
Setup Data stored in CMOS Memory:
* retains data when pc is off
*Setup cannot be changed unintentionally, but disk drive must be working before you can change setup
Steps to Building a Computer
1. Verify you have all parts to be installed
2. Prepare case
3. Install drives
4. Determine proper setup config settings for MB
5. Set jumpers or switches on MB
6. Install CPU and CPU cooler
7. Install RAM
8. Install MB and attach cabling
9. Install video card
10. Plug in PC and attach monitor/keyboard
11. Boot system & enter CMOS setup
12. Insure settings set to default
13. Insert bootable setup disk (if booting from floppy)
14. Observe POST
15. Prepare HD for OS
16. Reboot and run ScanDisk on C:
17. Connect mouse
18. Install OS
19. Change boot order in CMOS
20. Check for system resource conflicts
21. Install other Expansion cards and/or drives
22. Verify Operation; make final OS and/or CMOS adjustments
Before Installing Motherboard in case:
* Prepare MB to go in case
- set jumpers
- Add CPU, fan and heat sink
Installing Motherboard in case:
***PREPARE MB BY SETTING JUMPERS; ADDING CPU, HEAT SINK, AND FAN***
1. Install faceplate
2. Install standoffs
3. Attach MB to case
4. Connect PWR to P1 PWR connector on MB
5. Connect front panel leads to MB (reset switch, PWR LED, HDD LED, speaker, and remote switch
Troubleshooting Motherboard and CPU:
* Look for clues from post (Beeps Codes)
* Substitute good hardware for suspect ones
Motherboards - Officially Printed Circuit Boards (PCBs)
– PCBs come in multiple layers with
highways of wires (bus systems)
in the layers
– These highways of wires are
called traces
– Layers enable complexity while
minimizing any interference
Built in components determie:
core functions of PC
Proprietary form factors
– Unique to a specific company
– Don’t follow standards and require
upgrades and service from that
company
– Difficult to support
Chipset defines:
* type of processor
* type and amount of RAM
* What internal/external devices MB will support
Chipset serves as the electronic interface through which the _____, ______, and ______ interact?
CPU, RAM, and I/O devices
Most modern Chipsets have 2 primary chips.
they are:
Northbridge and Southbridge
Super I/O chip:
provides legacy report for parallel ports, serial ports, drives and more
North and Southbridge chips on Intel MBs sometimes called:
NB MCH - (Memory Controller Hub) -

SB ICH - I/O Controller Hub
Chipset chips require _________. Windows has some generic support for these.
Drivers
Installing Motherboard:
1. Install CPU and RAM before putting it in the case
2. Check/adjust standouts
3. Mount MB in case
4. Install HDs, power supply ect.
5. Connect pwr connetions and other leads
6. TEST!!!!
Final step is to connect LEDs, buttons and front-mounted ports such as:
soft power
reset button
speaker
HD activity LED
Power
USB port
Sound