IBM channel-attached DASD emulation

Hi Mike, Here are the options to attach 3340 DASD emulation to an IBM System/3 1) direct connect to the internal channel of the S/3. Some disk OEM's did this. Requires a FPGA with at one side MST-1 interface logic and at the other side IDE or SCSI interface. The availabe IBM documentation is comp

re: IBM channel-attached DASD emulation

vers.org/pdf/ibm/370/fe/3125/SY3 3-1063-1_3125_Processing_Unit_Input_Output_Processor_Nov73.pdf Regards Henk ~ On Sun, Dec 27, 2015 at 10:29 PM, Henk Stegeman wrote: > Hi Mike, > > Here are the options to atta

IBM 9335 doc needed.

Hi, I am currently restoring an IBM 9370. The IPL drive needs to be re-initted. (The diag track fails.) How to do this I need the IBM 9335-A01 SERVICE GUIDE (probably SY33-0113, but not sure) Who can help me with a copy of this manual ? Regards Henk

IBM 2501 + doc + spares available in EU.

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

Fwd: IBM MST extender cards

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

Wanted: listing RIPL ROS IBM3705 or Amdahl4705

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

IBM 4700 question

Hi, Does anyone known which processor IBM used in the IBM 4701 — Branch Controller (8″ floppy disc) ? Regards Henk

[cctalk] Re: Looking for IBM System/3 BASIC book

A few corrections: The BASIC on the S/3 model 6 was a "boot to BASIC" system. You could IPL BASIC from R1 or business SCP from F1. This BASIC system had virtual memory implemented. Real storage was 8 or 16k but in the BASIC environment approximately 54KB was available during execution. Only

[cctalk] Re: Looking for IBM System/3 BASIC book

Hi Steve, ...does that imply there was never a variation of BASIC written for the IBM 360/370? There is a VS BASIC, pgm-nr 5748-XX1, avail round 1976 OS/360 TSO BASIC, pgm-nr 5734-RC2 round 1971 A general BASIC language reference manual GC28-6837 pub date June 1970. What are your plans/proj

[cctalk] IBM SMS cards

Hi all, I just spotted an auction on eBay for 40 IBM SMS cards. It sold for over $2,000 (!) Does anyone know if this reflects collector value or the value of the gold content? Also, what’s the current value of a set of SMS cold contacts? Thanks, Henk www.ibmsystem3.nl