1. Presented by… Patrick Curtin James Dieteman Christopher Sanford
The AGP Slot
Presented by…
Patrick Curtin
James Dieteman
Christopher Sanford 1

2. History of the AGP Slot Developed by Intel
Began twice as fast as previously used PCI slot
First released in 1997
PCI cards are still available, but AGP is the current standard 2

3. What the AGP Slot Does
Specifically designed for 3D video acceleration and video playback
Communicates directly with processor and main memory
Has access to main memory 3

4. How the AGP Slot Works
Transfers data on both the rising and falling edges of a clock pulse
No need to pre-cache data into the card’s local memory
Accesses main memory using both pipelining and sideband addressing 4

5. Evolution of the AGP Slot
Mode
Clock Rate
Transfer Rate 1x
66 MHz
266 MB/s 2x
133 MHz
533 MB/s 4x
266 MHz
1066 MB/s 8x
533 MHz
2133 MB/s 5

6. End of the AGP Slot? 8x is the last AGP improvement
Intel plans to phase the AGP slot out starting in 2005
To be replaced by “PCI Express” 6

7. Presentation brought to you by…
The End
Presentation brought to you by…
James Dieteman
Patrick Curtin
Christopher Sanford 7