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Card Slot Types

Posted By On November 18, 2004 @ 1:27 PM In Hardware & Peripherals,Uncategorized | No Comments

Q:
I was looking inside my computer and I noticed that I have several types of card slots. Some are short white ones, some are longer black ones.What’s the difference?

A:
The short white ones are PCI slots and the black ones are ISA slots. You may even encounter an AGP slot (usually looks like a displaced PCI slot, brown in color)

What’s the difference? Here’s a run down:

ISA (Industry Standard Adapter) – These are the long black slots. They are the oldest and slowest of the bunch. They support 8 and 16 bit cards (usually stuff like sound cards and modems). You usually won’t even find these on newer computers.

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PCI (Peripheral Connect Interface) – These are the current “standard” expansion slot. They support 32 bit cards, transfer data quickly, and take up less space on the motherboard. Usually white in color.

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AGP (Accelerated Graphics Port ) – This is a newer type of slot and it’s designed for video cards. It bypasses the slower PCI & ISA slots and provides better / faster 3D video.

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Other types have come and gone—and more are sure to follow—but these are the most common types found inside the typical PC.

~ Steve


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