Buses Flashcards
The external bus that allows additional components to be connected to the computer.
expansion bus
The internal bus that links components directly to the processor resulting in the highest speeds as required by components
local bus
Connection between components on the motherboard and peripheral devices attached to computer
bus
1995 Connects CPU, memory and peripherals Supports bus mastering, IRQ steering, and PnP Supports up to 5 devices Plug n' play Shared bandwith supports bus mastering
PCI bus
Peripheral Component Interconnect Bus
Also PCIe
What speed does a 32 bit PCI bus run at?
33 Mhz
133 or 266 MBps
What speed does a 34 bit PCI bus run at?
66MHz
266 or 533 MBps
How much power does a PCI slot deliver?
Up to 25W
How many pins for 5V PCI cards?
50 or 51
How many pins for a 3.5V PCI card?
12 or 13
How many pins do PCI 64 bit adaptors have?
60 more
Point to point serial communication for dedicated links to all components
Switches make connections and provide QoS
Lanes are two sets of wires - 1 transmit, 1 receive
PCIe
How much power does a PCIe bus have?
Up to 75W via motherboard, + 75W via PCIe connector
Which provides hot swap and hot plug adaptors? PCI or PCIe?
PCIe
500 MBps transfer power rates
PCIe2
250 MBps transfer power rates
PCIe
