> States this: > > Main processor(s)- seems the main processOr is made by Texas Instruments but does > have Williams Electronics on it. 5410-12862-00 > > Only other notable processor is Texas Instruments TMS34010FNL-50 Use is still unknown > due to lack of Schematics. > > > The 5410-12862-00 chip was used in other Williams boards and is listed in the T Unit > CPU Addendum as being a DMA2 (Direct Memory Access) controller. > > If you look at the T unit schematics on page 3-14, CPU Sheet 8/22, or page 50/74 as > listed in Adobe Acrobat, you'll see the pinout for the chip. > > I have had a board on my bench with graphic corruption which was caused by popped > solder connections on the pins of this DMA2 controller. It did not cause any crashes. > > Also, check page 43/74, CPU Sheet 1/22, to see how they used the 34010 chip on the T > unit. Data sheets on the TMS34010 can be found out at http://www.datasheetarchive.com > > RJ
Thanks.
Actually, I think this is one of those cases where the knowledge of the system and how it worked outpaced comments in the source: in other words, that is actually known, just not commented upon.
Still, I'll prod someone to update the sourcecode comments
- Stiletto
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