Expansion Slot, Agp, Agp Pro, Pci, Pci Express
Expansion slot, AGP, AGP pro, PCI, PCI express
What is Expansion Slot mean?
An expansion slot is a socket on the motherboard that is used to insert an expansion bill of fare (or circuit board), which provides additional features to a figurer such equally video, sound, advanced graphics, Ethernet or memory.
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The expansion bill of fare has an border connector that fits exactly into the expansion slot equally good equally a row of contacts that is designed to found an electrical connexion betwixt the motherboard in addition to the electronics on the card, which are mostly integrated circuits. Depending on the shape component of the instance in addition to motherboard, a figurer organisation mostly tin accept anywhere from 1 to vii expansion slots. With a backplane system, upwards to xix expansion cards tin locomote installed.
Expansion cards tin render diverse functions including:
- Sound
- Modems
- Network
- Interface adapters
- TV in addition to radio tuning
- Video processing
- Host adapting such equally redundant array of independent disks or pocket-size figurer organisation interface
- Solid-state drive
- Power-on self-test
- Advanced multirate codec
- Basic input/output organisation (BIOS)
- Expansion read-only retention (ROM)
- Security devices
- RAM memory
Older expansion cards also included retention expansion cards, clock/calendar cards, difficult disk cards, compatibility cards for hardware emulation, in addition to disk controller cards. The Altair 8800 was the kickoff slot-type expansion bill of fare jitney added to a microcomputer. It was developed inward 1974-1975 yesteryear IBM Corp.
The expansion slot opening is mostly located on the dorsum of a PC in addition to provides an electrical connexion to the motherboard for an expansion card. Screws are in addition to thus used to attach the bill of fare to the slot for added security.
AGP
AGP :- short for Accelerated graphic port, AGP is an advance port designed for video bill of fare in addition to 3D accelerators. Developed yesteryear Intel in addition to introduced inward August 1997. AGP introduces a dedicated indicate to-point channel that allows the graphic controller right away access to the organisation memory. Below is an example of what the AGP slot may await similar on our motherboard.
AGP SLOT
The AGP channel is 32-bits broad in addition to runs at 66 MHz, which is a full bandwidth of 266 MBps in addition to much greater than the PCI bandwidth of upwards to 133 MBps. AGP also back upwards 2 optional faster modes, alongside a through pose of 533 MBps in addition to 1.07 GBps. It also allows 3-D textures to locomote stored inward top dog retention rather than video memory. AGP is available inward 3 unlike version, the master copy AGP version mentioned above, AGP 2.0 that was introduced inward may 1998, in addition to AGP 3.0 (AGP 8x) that was introduced inward Nov 2000. AGP2.0 added 4x signalling in addition to was capable of operating at 1.5v, in addition to AGP 3.0 was capable of double the transfer speeds.
NOTE :- Now a days, AGP has been replaced yesteryear PCI Express.
A figurer alongside AGP has 1 AGP slot adjacent to all other expansion slot or an on-board AGP video. If you lot needed to a greater extent than than 1 video bill of fare inward the computer, you lot tin accept 1 AGP video bill of fare in addition to 1 PCI video bill of fare or work a motherboard that supports SLI.
SLI :- short for scalable link interface, SLI is a NVIDIA applied scientific discipline that allows 2 video cards that back upwards SLI, to percentage the workload, that back upwards SLI video cards run on certified motherboard over PCI Express.
What is AGP Pro?
AGP PRO is an AGP interface extension specification for advance workstation. This specification delivers additional mightiness to video card, includes an extended connector, thermal envelope, mechanical specification, I/O bracket
What is PCI Slot mean?
A Peripheral Component Interconnect (PCI) slot is a connecting apparatus for a 32-bit figurer bus. These tools are built into the motherboards of computers in addition to devices inward club to let for the add-on of PCI devices similar modems, network hardware or audio in addition to video cards.
In older personal computers, users oft took wages of PCI slots to integrate relatively primitive modems equally good equally video in addition to graphics capacity into the hardware setup, or to "expand computing." Some referred to these slots inward the motherboard equally connectors for internal devices, equally opposed to external additions. Generally, these kinds of connections are non plug-and-play, but require the work of specific drivers for the key computing systems to recognize whatever is connected to the PCI slot.
As computing applied scientific discipline has evolved, inward many cases the to a greater extent than sophisticated PCI limited (PCI-E) slots accept replaced the older PCI slots. However, many devices withal accept the mightiness to connect to peripherals through these kinds of ports in addition to connections.
What is PCI Express mean?
Peripheral Component Interconnect Express, ameliorate known equally PCI Express (and abbreviated PCIe or PCI-E) in addition to is a figurer expansion bill of fare standard. PCI-E is used inward motherboard-level connections in addition to equally an expansion bill of fare interface. The novel criterion for personal computers is called PCIe 3.0. One of the improvements of PCI-E over its predecessors is a novel topology allowing for the faster telephone substitution of data.
The novel PCI-E 3.0 applied scientific discipline is unlike from the old PCI, PCI-X in addition to AGP boards inward many ways:
- Communication consists of information in addition to status-message traffic existence packetized in addition to depacketized.
- Data is sent via paired point-to-point series links, called lanes, allowing information displace inward both directions simultaneously in addition to allowing to a greater extent than than 1 span of devices to communicate simultaneously.
- PCI-E slots incorporate from 1 to 32 lanes inward powers of 2 (1, 2,4, 8 etc.). Each “lane” is a span of information transfer lines, 1 for transmitting in addition to 1 for receiving, in addition to is composed of iv wires. The discover of lanes inward a slot is denoted yesteryear an x earlier it, e.g. x16 designates a 16-lane PCI-E card.
- Higher bandwidth is provided yesteryear channel grouping – using multiple lanes for a unmarried device.
- Serial buses transmit information faster than parallel buses due to the latter’s limitation requiring information to brand it simultaneously at their finish (This has to produce alongside the frequency in addition to wavelength of a unmarried bit). With series buses at that spot is no requirement for signals to brand it simultaneously.
- PCI-E follows a layered protocol composed of 3 layers: a transaction layer, a information link layer, in addition to a physical layer.
The next are the rates of transmission in addition to bandwidth for the diverse PCI-E busses. These rates are for full transmission inward both directions, 50% existence inward either direction:
- PCI Express 1x 500 MB/s
- PCI Express 2x grand MB/s
- PCI Express 4x 2000 MB/s
- PCI Express 8x 4000 MB/s
- PCI Express 16x 8000 MB/s (x16 cards are the largest size inward mutual use.)
- PCI Express 32x 16000 MB/s
By comparing a PCI bill of fare has bandwidth of 132 MB/s; AGP 8x: 2,100 MB/s; USB 2.0: lx MB/s; IDE: 100 to 133 MB/s; SATA: 150 MB/s; SATA II: 300 MB/s; Gigabit Ethernet: 125 MB/s; in addition to Firewire 800: approx. 100 MB/s.
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