HP Workstation x1000 hp workstation x1000 - technical reference guide - Page 42

accessory board slots,

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NOTE system board accessory board slots The AGP 1.5V slot provides graphics performance for high-end graphics cards, combining AGP 4X bandwidth (data transfer rates as fast as 1066MB/sec) with the ability to accept cards drawing as much as 25W of power. You should use standard AGP graphics cards that draw less than 25W of power. Power is provided through 3.3V, 5V, or 12V power rails. AGP graphics cards that draw more than 25W and AGP 3.3V graphics cards cannot be used in the Workstation's AGP slot. The AGP Pro 1.5V slot is backward compatible with both AGP 1x and 2.x modes (using 1.5V signalling) and AGP 4x mode (where 1.5V signalling is necessary). For information about the AGP interface and bus, see page 51. 42 Chapter 2

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system board
accessory board slots
Chapter 2
42
The AGP 1.5V slot provides graphics performance for high-end graphics
cards, combining AGP 4X bandwidth (data transfer rates as fast as
1066MB/sec) with the ability to accept cards drawing as much as 25W of
power.
You should use standard AGP graphics cards that draw less than 25W of
power. Power is provided through 3.3V, 5V, or 12V power rails.
NOTE
AGP graphics cards that draw more than 25W and AGP 3.3V graphics
cards cannot be used in the Workstation’s AGP slot.
The AGP Pro 1.5V slot is backward compatible with both AGP 1x and 2.x
modes (using 1.5V signalling) and AGP 4x mode (where 1.5V signalling
is necessary).
For information about the AGP interface and bus, see page 51.