20 Apr
1999
20 Apr
'99
2:11 p.m.
>
> Hi,
>
> I have several B004-style CSA Transputer Education Kits (aka TEKs) that
use
an 8-pin
minidin connector for its link (compatible to apples printer
cables). Is there any way for me to connect these nodes to an inmos B008
motherboard's 37-way external connector?? Thanks.
If they're standard Transputer links, then sure. Have you tried tracing
the pins on the 8 pin miniDINs to see what they're connected to (like
link pins on the transputer)? Reset/error/analyse could be harder to
trace (since they'll possibly go to PALs), but you should be able to
figure something out by which are inputs/outputs.
20 Apr
20 Apr
4:22 p.m.
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21 Apr
21 Apr
9:12 a.m.
A transputer link is a 5*1 connector (with one pin
missing), but there's
also a 5*1 'system' connector (2 pins missing) that carries
reset/error/analyse.
After looking at the specs of the TEK, it turns out I need to connect some
resistors between the two boards. I forgot to bring the specs with me, so
I don't have the diagram.
The B008 (I have one) has (as you know) a DC37 connector on it, but the
signals are just transputer links and 'system' signals. There's a little
board, commonly called a 'hedgehog' that plugs into this DC37 and which
carries the right 5*1 connectors for the links, etc.
I'm pretty sure I have the pinout of the DC37 -- yes, here we are...
THe basic architecture of the board is a 'pipeline' of up to 10 TRAMs.
Link 2 of each TRAM goes to link 1 of the next one along, and link 1 of
the first RAM goes to the on-board T222.
Link 0 of the first TRAM goes to a C012 on the board.
Links 0 and 3 of all the TRAMs (apart from the first TRAM link 0) go to a
C004 linkswitch. And there's also some logic for the system services.
Do you have the development/IQ systems databook? It's all in there..
I have the specs for the B008, but it doesn't mention anything
about the 5*1 connector at all. The pinouts for the DC37 is a bit
different from the TEKs pinouts. I will get more info tonight.
Thanks
Ram
--
,,,,
/'^'\
( o o )
-oOOO--(_)--OOOo-------------------------------------
| Ram Meenakshisundaram
| Senior Software Engineer
| OpenLink Financial Inc
| .oooO Phone: (516) 227-6600 x267
| ( ) Oooo. Email: rmeenaks(a)olf.com
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