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July 13, 2016

How HP's OS's Become Virtually Free

KiteThe 3000 community has been receiving updates for simulator project this year. This isn't the software that virtualizes the PA-RISC servers which were the ultimate boxes in HP's 3000 line. This simulator software is strictly shareware, strictly free, and strictly built to emulate a previous generation's HP 3000s. The SIMH project can turn a PC into a Classic HP 3000, the sort that used MPE III, IV, or V as its operating system.

This is also a project that points to the lifecycle of HP's operating system products in the public domain. A hobbyist -- or a company that could get along with a 3000 with circa 1991 power and OS -- needs a copy of MPE V to make this freeware simulation work. Where you get this software is up to you. But it's not a secret, either. The process to free involves the passage of time, the end of commercial sales, and perhaps HP's tacit approval.

The creators of SIMH are assuming HP won't be reining in the 20-year-old OS built for the previous MPE generation. Dave Bryan, who posted a note about a new version of the SIMH simulator for the 3000, said that the HP Computer Museum in Australia has helped to make MPE V available for simulator use via a website.

I assembled the kit from the tape image in that directory, which was supplied to me by Al Kossow of Bitsavers. Al then posted the kit and tape on his site.

Before undertaking the 3000 simulator project, I verified with Al in 2011 that he would be able to post an MPE image, and he confirmed that he could.

This year marks a milestone in the 3000's Classic generation: a moment to download the needed MPE V OS without a license concern. If Kossow's upload is legal, this version of MPE V has become freeware.

This kind of open source status is what the 3000 community pursued for MPE/iX for the better part of a decade. As the ultimate 3000 OS, MPE/iX hasn't moved into the state of a GPL license (for sharing). Not yet. But there was a time when HP's MPE V was closely guarded and licensed, too. Nowadays, not so much. The transfer to open access for an OS requires time. HP hasn't sold an MPE/iX system in almost 13 years. The company stopped selling MPE V servers 21 years ago. The clock might be running toward an unfettered MPE/iX.

The release of a 3000 OS into the skies of sharing is based on other HP operating system lifespans. More than a decade ago, HP issued a free hobbyist license for OpenVMS. This was possible because the product started its life in DEC. Later on, though, the release of the HP 1000's RTE into the open skies showed how HP could set an older OS free. The HP 1000 was off the HP corporate price list for less than 15 years by the time its OS went native.

Bryan explained how MPE V came to be available as a download from a site called Bitsavers. Al Kosslow's help was important.

Al is also the software curator of the Computer History Museum. I know that the CHM obtained licensing from HP for the HP 1000 Software Collection that Bitsavers hosts, and I know that Al and the CHM were in discussions some time ago with HP regarding their 3000 software. I don't know the content or extent of those discussions.

A visit to the Bitsavers link shows what's available for MPE V. The simulator's software help file reports the following.

A preconfigured MPE-V/R disc image containing the Fundamental   Operating Software (FOS), selected SUBSYS language processors (BASIC, BASICOMP, COBOL, COBOL II, FORTRAN, PASCAL, RPG, and SPL), and example programs is available from Bitsavers. The archive contains instructions and simulator command files that  allow ready-to-run operation.

The disc image is contained in "mpe-vr-software-kit.zip". The directory also contains "32002-11018_Rev-2548.zip", which is the MPE-V/R FOS  tape, if you prefer to generate everything yourself. The software kit includes the console logs from the RELOAD that used the above tape image to produce the disc image.

09:42 PM in History, Homesteading | Permalink

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