This is yet another pretty unknown Transputer module. The silkscreen print says “PARADICO – beheer submodule – BOP 1990”. Well, beheer is Dutch for management, so it was the management submodule for… something.
I got myself 4 of those from my Transputer-Bro’ Mike and after a good year of lying in my cupboard it was overdue to do something with them.
Mike was kind enough to do the basic deciphering of all the traces, links and stuff, so it was basically just building & wireing a front- and back-plane to get them working.
This is how one PARADICO looks like:
Not everthing is readable here but it does the job because the PARADICO is a pretty standard Transputer design. More or less a huge TRAM. So nothing fancy about it:
- One T800-25 Transputer
- 4MB DRAM (4×256)
- Some PALs for the memory decoding
- Buffers for the links
- A 5MHz oscillator
- A fuse… just to be safe 😉
- Handy jumpers for LinkSpeed and CPUSpeed
IMHO this is actually quite a waste of space but in these days you have to take what you get, right? 😉
Ok, so I ordered 8 DIN41612 sockets and after a day worth of soldering “The Cube” was finished:
“The Cube? It’s not square at all!” you might say. Yes, true, but the specs are all nicely squared so here’s the proof. The Cube has: 2² Transputers running at 5² Mhz, each has its own 2²MB RAM. Voilà, a cube 😉
For the convenience of connecting the cube to more or less any other system, I’ve added a hex-inverter so notAnalyse, notReset & notError can be converted into their “positive” counterparts (in the upper left corner of the picture, next to 3 red jumpers).
This is the ispy output connected to the “Gerlach Card“:
Using 150 ispy 3.23 | mtest 3.22
# Part rate Link# [ Link0 Link1 Link2 Link3 ] RAM,cycle
0 T800d-24 240k 0 [ HOST 1:0 … … ] 4K,1 1024K,3;
1 T800d-25 1.8M 0 [ 0:1 2:0 3:0 4:0 ] 4K,1 4096K,4;
2 T800d-25 1.8M 0 [ 1:1 … … … ] 4K,1 4096K,4;
3 T800d-24 1.8M 0 [ 1:2 … … … ] 4K,1 4096K,4;
4 T800d-24 1.8M 0 [ 1:3 … … … ] 4K,1 4096K,4;
And if you happen to stumble over a Pradico yourself, here’s the pinout of the front DIN41612 connectors:
X A32 C32 X GND A31 C31 GND UpNotError A30 C30 DownNotError UpNotAnaly A29 C29 DownNotAnaly UpNotReset A28 C28 DownNotError GND A27 C27 GND X A26 C26 X LinkOut0 A25 C25 LinkOut1 LinkIn0 A24 C24 LinkIn1 GND A23 C23 GND GND A22 C22 GND X A21 C21 X LinkOut2 A20 C20 LinkOut3 LinkIn2 A19 C19 LinkIn3 GND A18 C18 GND X A17 C17 X GND A16 C16 VCC GND A15 C15 VCC X A14 C14 X X A13 C13 X X A12 C12 X
Next up: The Cube moves into the Tower of Power… when other more important things are done.