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The MOBO is a....
Communication path-A city of technology.
...Has also...Internal independent Pathways.
+ Additional capabilities - Expansion Slots.
The Expansion Bus
width in bits(also changing to bandwidth).
data/clock cycle-Clock Speed of the Bus.
-1MHz=1 million cycles/second, 1GHz=1000 MHz.
- The expansion bus gets its own clock.
Clock Speed does not equal Transfer Rate in PC.
PCI SLOT
Peripheral Component Interconnect.
Created 1994, term not used regularly.
32-bit and 64-bit bus width.
133 MBs 32 bit at 33MHz.
266-533 32/64 at 66MHz.
MINI PCI for laptops, mobile use, but no acces to the card.
PCI-X(eXtended)
Designed for servers. / higher bandwidth. /
4x Clock Speed. / 1064 MBs capacity. /
PCI-X not= PCI Express. /
PCI Express is not a bus...Unidirectional Serial Lanes(1,2,4,8,16,32)
PCI Express Throughput
Version 1 x 250 MBs
Version 2 x 500 MBs
Version 3 x 1000 MBs = 1 GBs
Version 4 x 2GBs
CNR
Communications and Networking Riser./
Modular riser for networking, modem, audio etc.
Not used anymore.
AGP
Accelerated Graphics Port. /
Designed to cover gap between PCI and PCI Express (difficult to find today).
AGP 1x 266 MBs 3.3 V
AGP 4x 1.07 GBs 1.5 V
AGP 8x 2.1 GBs 0.8 V
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