CHI-2130 anyone ?

[RolexTM]

Good day folks,

Is here anybody with experience on a CHI-2130?

We acquired two systems, one complete and one for spares and the system is not turning on. Only the relay that is triggered directly by the power power button klicks but nothing else. (Power control K11)

The switched contacts on it do not seem to get power.

The machine is wired for single phase 220v

We needed to bridge the 4 big input filter things that posed a big enough capacitance to protective earth that the fuse triggered, should not be a problem at least for testing (?)

Anybody with ideas is welcome.


Btw we also acquired a ibm1130 system, but we first want to get the chi going.


Regards
Alex

 

[Al Kossow]

that is quite the unicorn you have there
CHI was a company out of Sacramento that built peripherals for the 1130, and eventually what you have, the 2130

Index of /pdf/chi

http://bitsavers.org/pdf/chi/2130_Annoucement_Jan74.jpg

https://groups.google.com/g/ibm1130 would be the best place to ask. There is at least one CHI employee on there that posted in 2020

 

[RolexTM]

Thank you!

Will head over there immediately.

We noticed that there is bare to none documentation on bitsavers, and we have lots of schematics. Scanner go brrrt

 

[Al Kossow]

That would be great, along with pictures of the insides and boards.
The 2130 was a little too new for what we found from CHI back in the 90s
Did the punched cards come with it as well?

 

[RolexTM]

The punched cards belong to the 1130 system.

We also have a crt terminal that belongs to the machine and a documation card device.


The 1130 is complete with puncher, reader, sorter, lots of disk platters and a printer.

 

[RolexTM]

Scanning our Documents is coming along. I modified the CHI with a modded version of Carl Claunchs 1130 Loader to easily load the Diagnostic Cards into it.
The CPU has at least 1 problem, this will make it easier to switch between software for debugging.

The 1130 saw power for the first time. No big fire but the status lamps shined much too bright for my liking and after some seconds there was minor smoke out of the CPU cabinet.
Ouch. All voltages are okay though, only +12V was more like +17.