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| Posted by: Trizt on Tuesday, February 28, 2006 - 14:20 Submitted by Trizt |
| | | | Within the following days the schematic for OGD1 will be made public and the public can give their opinion about the schematic before it's made final.
The official location for the ensuing discussion is the Open Graphics
Project main mailing list.
An abridged list of features:
* 64-bit PCI (66MHz)/PCI-X (133MHz) interface
* 55K Look-Up-Table FPGA
* 256 megabytes of RAM
* Two Dual-link DVI-I outputs (two 330 MP/sec digital, one 330 MP/sec analog, one unpopulated 500 MP/sec analog)
* TV out (PAL, NTSC, SECAM)
* 96 user I/O
The first phase of OGD1's PCB development is the "schematic." The schematic diagram defines only the logical connections between components on the board; pins on chips are identified, and the connections between them are defined, largely independent of physical constraints. This is distinct from "artwork," which defines the physical layout and trace routing; there, we define real, physical positions and orientations of chips, along with how traces are laid out in the different layers of the board. The correctness of the schematic is a necessary (but not sufficient) condition for the correctness of the artwork. We need members of the community to download and review the schematic so that we can more quickly find flaws and correct them. The artwork phase has already been started, with most component positioning completed. Corrections will be made as they are brought to our attention.
The whole post by Timothy Miller can be read at KernelTrap.org
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Open Graphics Project's OGD1 PCB Schematic Completed | Log-in or register a new user account | 0 Comments |
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