2021-02-08 Class Meeting Flashcards
Northbridge AKA
MCH
MCH AKA
memory control hub
Northbridge is responsible for what?
managing the high-speed communications within computers
FSB AKA
front-side bus
what is FSB?
FSB determines the overall clock speed of the computer and connects the Northbridge and CPU.
Memory Controller is connected to…
FSB
Memory Controller is responsible for…
the very fast things
FSB vs ___
backside bus
what is the backside bus?
sometimes connects the cache memory
cache is faster than…
regular RAM, but glacial compared to CPU
What adapters are connected to Northbridge?
Graphic adapters like PCIe Controller or AGP Controller
Southbridge is responsible for…
…management of slower onboard peripherals
Southbridge AKA
I/O Control Hub (ICH)
What onboard peripherals is/might connected to the Southbridge?
USB, Serial & Parallel, ATA, PS/2, parallel ports, serial ports etc.(taken over by USB)
PCI Expansion Bus is responsible for…
slower items for the graphics
What goes through onboard LAN/Southbridge?
Wireless and Wired connections
Succinctly, what’s connected to Southbridge?
ATA interfaces, Serial ATA, Onboard Audio, PCI Expansion Bus, Onboard USB, Onboard LAN
Volatile Data:
Once power is removed the data is gone.
Non-Volatile Data:
Stored on system drives and is not impacted by power.
RAM:
temporary holding area for both data and instructions.
RAM AKA
Random Access Memory OR Main Memory
ROM AKA
Read-Only Memory
ROM:
type of non-volatile memory that cannot be modified
EEPROM AKA
Electrically Erasble PROM
EEPROM:
can be erased electrically and reprogrammed
Latency:
Specifically, delay between when memory receives request for data and retrieves the data
Latency AKA
Access time
Latency measured in…
nanoseconds, billionths of a second
Expansion Card:
EC go in Expansion slots. EC is a circuit board installs in a computer to increase capabilities.
Types fo Expansion cards:
video, multimedia, communications, input/output