IBM 4700 question

2021-05-05 Thread Henk Stegeman via cctalk
Hi, Does anyone known which processor IBM used in the IBM 4701 — Branch Controller (8″ floppy disc) ? Regards Henk

Wanted: listing RIPL ROS IBM3705 or Amdahl4705

2020-11-15 Thread Henk Stegeman via cctalk
Hi all, I searching for a scan or copy of the ROS listing of a IBM 3705 or Amdahl 4705 REMOTE. I all ready have the local single- and multi-channel attached versions, but still missing the remote one. Anyone who can  help me ? Thanks Regards Henk www.ibmsystem3.nl

Fwd: IBM MST extender cards

2019-10-15 Thread Henk Stegeman via cctalk
Hi Al, On the surface 3V & 1.2V is printed. This is a MST-4 card extender. MST-1 & MST-2 are different. I was also interested, but the seller was not willing to ship them to Europe :-( Regards Henk

IBM 2501 + doc + spares available in EU.

2017-11-12 Thread Henk Stegeman via cctalk
Hi, Available in the Netherlands a compleet IBM 2501 punch card reader with all IBM documentation and spares from a scrapped unit. Please contact me off-line if interrested. h.j.stegeman at hccnet dot nl. Regards