Like mentioned above, these expansion ports are used to add various hardware components to the computer, like a new video card, network card, modem, sound card, etc.
This method, however, is not as reliable as checking the motherboard itself since your computer case might not correspond directly with your motherboard.
IBM introduced the XT bus, with the first IBM PC in 1981; it was then called the PC bus, as the IBM XT, using the same bus (with slight exception was not to be introduced until 1983.
In the case of expansion of on-board capability, a motherboard may provide a single serial RS232 port or Ethernet port.
Example Sentences: 'the PC had three slots for additional memory'.
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Laptops do not have expansion slots like desktop computers.However, short of opening your computer and checking manually, there are computer programs that can identify which slots are available and which are used.Home, dictionary, expansion Slot, definition of, expansion Slot in English : see synonyms of expansion slot.Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.You can buy an ExpressCard from various online retailers like Newegg and Amazon.In the case of a backplane system, up to 19 expansion cards can be installed.Based on WordNet.0, Princeton University.8-bit ISA or XT-ISA a passive adapter can be made to connect XT cards to a plus expansion connector.This may have been electrically the same as or similar to the XT bus; it most certainly had some similarities since both essentially exposed the 8088 CPU's address and data buses, with some buffering and latching, the addition of interrupts and DMA makarov komplex bonus ep provided by Intel.Since a PCIe expansion port can have 1, 2, 4, 8, 12, 16, or 32 lanes, they're written with an "x like "x16" to indicate that the slot has 16 lanes.Another feature of plus cards is that they are stackable.
Different Kinds of Expansion Slots, there have been several types of expansion slots over the years, including PCI, AGP, AMR, CNR, ISA, eisa, and vesa, but the most popular one used today.
There are also other factors involved in expansion card capacity.
For example, the original IBM PC did not provide graphics or hard drive capability as the technology for providing that on the motherboard did not exist.