Aug 02, 2020 Alternatively known as a bus slot or expansion port, an expansion slot is a connection or port inside a computer on the motherboard or riser card. It provides an installation point for a hardware expansion card to be connected. A short term solution of the missing expresscard slot would be to take a HP ZBook G1 systemboard and replace the TB1 chip with a TB2 chip; assuming they are pin compatible. There would gain the expresscard slot functionality but lose the Z Turbo drive functionality. Another quick fix would be to wire the expresscard slot.
PC/SC (short for 'Personal Computer/Smart Card') is a specification for smart-card integration into computing environments.
Microsoft has implemented PC/SC in Microsoft Windows 200x/XP and makes it available under Microsoft Windows NT/9x.A free implementation of PC/SC, PC/SC Lite, is available for Linux and other Unixes; a forked version comes bundled with Mac OS X.
Work group[edit]
Core members[edit]
Associate members[edit]
Advanced Card Systems • Alcor Micro • Athena Smartcard Solutions • Bloombase • C3PO S.L. • Cherry Electrical Products • Cross S&T Inc. • Dai Nippon Printing Co., Ltd. • Feitian Technologies • Kobil Systems GmbH • Silitek • Nidec Sankyo Corporation • O2Micro, Inc. • OMNIKEY (HID Global) • Precise Biometrics • Realtek Semiconductor Corp. • Research In Motion • Sagem Orga • SCM Microsystems • Siemens • Teridian Semiconductor Corp.
See also[edit]
- CT-API, an alternative API
External links[edit]
- pcsc-tools free commandline tools for PC/SC
- Winscard Smart Card API functions in Microsoft Windows XP/2000
- SMACADU open source smart card analyzing tools
- PC/SC Reader List PC/SC-standard readers
Alternatively known as a bus slot or expansion port, an expansion slot is a connection or port inside a computer on the motherboard or riser card. It provides an installation point for a hardware expansion card to be connected. For example, if you wanted to install a new video card in the computer, you'd purchase a video expansion card and install that card into the compatible expansion slot.
Computer expansion slots
Below is a listing of expansion slots commonly found in a computer and the devices associated with those slots. Clicking on any of the links below provide you with additional details.
- AGP - Video card.
- AMR - Modem, sound card.
- CNR - Modem, network card, sound card.
- EISA - SCSI, network card, video card.
- ISA - Network card, sound card, video card.
- PCI - Network card, SCSI, sound card, video card.
- PCI Express - Video card, modem, sound card, network card.
- VESA - Video card.
Many of the above expansion card slots are obsolete. You're most likely only going to encounter AGP, PCI, and PCI Express when working with computers today. In the picture below is an example of what expansion slots may look like on a motherboard. In this picture, there are three different types of expansion slots: PCI Express, PCI, and AGP.
How many expansion slots does my computer have?
Every computer motherboard is different, to determine how many expansion slots are on your computer motherboard identify the manufacturer and model of the motherboard. Once you've identified the model of motherboard, you can find complete information about the motherboard in its manual.
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Adding additional expansion slots for older motherboards could be accomplished by using a riser board, which would add several ISA or PCI slots. Today, riser boards are rarely used with motherboards, as there is limited need for additional expansion slots with modern motherboards.
What type of expansion slots are on my motherboard?
As mentioned above, every motherboard model is unique, so to determine the type of expansion slots on the motherboard, consult the board's specifications and owner's manual. You can also open the computer case and visually examine the motherboard.
Why do computers have expansion slots?
Computers have expansion slots to give the user the ability to add new devices to their computer. For example, a computer gamer may upgrade their video card to get better performance in their games. An expansion slot allows them to remove the old video card and add a new video card without replacing the motherboard.
What is the most common expansion slot today?
Today, the most commonly used expansion slot used and found on computer motherboards is the PCI Express expansion slot.
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Does a laptop have an expansion slot?
Laptops do not have expansion slots like a desktop computer. However, some laptops do have PC Cards that can be inserted into the side of the laptop. They may also have a Cardbus slot for an ExpressCard to be added.
Related expansion slot pages
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Expansion, Expansion card, Motherboard terms, Seated