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Naming and Numbering Decisions, as of Dec. 13, 2006

Tim asked me to write up the the decisions that have been reached to date, resulting from discussion on the mailing list.

Names

OGA:
Open Graphics Architecture
Primary trade name for the architecture to be implemented in the ASIC, the ASIC as a product, and board-level products containing the ASIC. Used as a descriptive term for all these items for maximum product family recognition. Also used as a descriptive term for the abstract architecture and the specs and standards which document it. Jul 9 J. Carroll: an OGA number refers to a
whole architecture, which may require multiple documents to describe it.

OGP:
Open Graphics Project
The group of people developing OGA, its written documentation, and its products

Traversal Technology:
Start-up company organized to design the OGA ASICs, and make and market OGA hardware products. Closely linked with OGP.

Numbers

OGA-1, etc.:
Different major generations of the OGA can be distinguished by adding a dash and a number. (Still open to discussion.)

OGC1P-???:
Open Graphics Card, first production family, PCI board
Traversal part number format for the first generation of board products containing an OGA ASIC. Characters following the dash will be coded mnemonically to identify the factory-installed options. Available features and dash number coding TBD. The letter before the dash identifies the bus type; P means PCI, A means AGP, E means PCI-e. Board families will be developed much more frequently than ASIC families, so the digit in the root number will not relate to the OGA generation.

OGD1P-???:
Open Graphics Development board, first production family, PCI board
Traversal part number format for the first FPGA development board. This is used to develop and test OGA-1 before ASIC implementation. Characters following the dash will be coded mnemonically to identify the factory-installed options (details in table below).

OGP-1-A or OGP-1-1-A:
Open Graphics Project standard 1 or 1-1, Revision A
Proposed document numbering format for released specifications and other standardization documents published by OGP. This follows document numbering practice typical in the standards community, where a document number begins with the organization's abbreviated name, followed by a sequentially assigned integer, and finally the revision letter. All fields are separated by dashes. When a group of related documents is grouped together under the same number, a dash number is added to identify each document uniquely. It's been suggested that OGP-1 through OGP-9 be pre-reserved for OGA-1 through OGA-9, which should be enough. Other OGP document numbers would start at OGP-10. Released versions of standards documents typically don't have decimal points in their numbers, and unreleased versions are typically called drafts; for example, OGP-1-1 Draft 6. First releases don't have a revision letter.

OGPN??:
Open Graphics Project Newsletter
Digits after OGPN identify the issue.

TRV10??:
Traversal part number format for the first OGA-1 ASIC
Characters after TRV10 will mnemonically encode the operating temperature range and IC package type, and possibly a performance grade. TRV will be the part number prefix for all Traversal ICs, and basic chip designs will be numbered sequentially starting at 10 (2 digits minimum). This format is in line with typical IC industry part numbering, and TRV as a company prefix appears to be free of conflicts, following research at Partminer and ICmaster.com.
An upgrade or redesign without significant architecture change could be called TRV10A??, again in line with part number practice typical in the industry.

It's intended that the data sheet for each product should cite which Open Graphics Architecture it implements, and exactly which OGP documents and revision levels it conforms to.

-- Jack Carroll

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Update Dec 2006:

OGD1 Development Board Part Numbers

{Root Number} – {Video Memory}{Video Output Interfaces}{Special Options eg: -A1 (OGA1 Firmware installed)}

Jack explained the naming conventions

Field	Example Value	Example Description
Root number	OGD1P	OGD1 board with PCI bus
Fixed delimiter	-	Start of dash number
Video memory	256	256 MiB
Video outputs, in order, skip any not installed
First interface	D	Dual-link DVI
Second interface	D	Dual-link DVI
Third interface	A	Analog video, 75 ohm, VGA compatible
Fourth interface	V	TV video
Special options, in alphanumeric order, each preceded by a dash
Factory firmware-RTL	A1	OGA1 Firmware

All OGD1 boards have DVI and analog video on connector #1 and DVI on connector #2. These are standard features. The numbers make it explicit that they're in the base product. Field separators in customer part numbers are '-'; the slash is reserved for internal part numbers based on the same root number. Customers are more used to the dash, and this distinction makes a clean format separation between product part numbers and piece part numbers.


The Prototype which has been undergoing testing is known as an OGD1P-256DD.

Expected Product Models
OGD1P-256DDAV will be the OGD1 PCB, 256MiB of RAM, two dual-link DVI transmitters, analog (VGA) output, and TV. (The A and the V aren't on the current prototype).
OGD1P-256DDAV-A1 is expected to come with the OGA1 GPU logic in it. Source OGPN17