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- Path: sparky!uunet!newsgate.watson.ibm.com!news.ans.net!cmcl2!psinntp!psinntp!execnet![jeff.zeitlin@execnet.com]
- From: "jeff zeitlin" <jeff.zeitlin@execnet.com>
- Newsgroups: alt.folklore.computers
- Subject: burroughs b20
- Message-ID: <1992Nov19.337.14473@execnet>
- Date: 19 Nov 92 00:48:47 EST
- Reply-To: "jeff zeitlin" <jeff.zeitlin@execnet.com>
- Distribution: alt
- Organization: Executive Networks Information
- Lines: 60
-
- MC::>In article <cf16naP0Bwx25HbsAe#transarc.com> Pat_Barron@transarc.com write
- ::>>So, I seem to have aquired a Burroughs B20. Looks like it was meant
- ::>>to be used as a word processing system. It's running an operating
- ::>>system called BTOS.
- ::>>
- ::>>What else is there to know about this system? Can it run any sort of
- ::>>"real" operating system? Anyone have any software for it that they no
- ::>>longer want...?
-
- BTOS _IS_ a "real" operating system. It is a multi-tasking,
- networked operating system that runs on Intel 8086-series machines.
- If running the protected mode version of BTOS on a 286, 386, or
- 486 machine (the architecture is proprietary; not just any
- 286/386/486 will do), you get access to all of the memory that is
- installed in the machine, which can be at least 12MB. It is the
- first (and so far only) non-UNIX OS to be certified POSIX.1
- compliant. It can emulate a PC, with performance generally as good
- as the PC it is emulating. Compilers for all major programming
- languages are available. The rest of the information posted in MC's
- article is correct except for
-
- ::>I think the B20 used a Z80 or similar 8-bit microprocessor.
-
- No, the first CTOS machine was based on the 8086. Burroughs
- requested (for cost reasons) an 8088-based machine, but to the best
- of my knowledge, the OS was identical.
-
- The currently sold line of BTOS machines (it's now back to being
- called CTOS) consists of the B28 (286 processor), B38 (386), B39
- (386 with integrated SCSI disk controller) and SuperGen (486).
-
- From the B26 on, the hardware was designed so that add-ons and
- upgrades could be done without even needing a screwdriver. This
- applied to almost everything - memory, disk, additional RS232 ports,
- Ethernet, video controller, early versions of PC emulation (current
- versions of PC emulation are for 386 and later only, and 100%
- software), and so on.
-
- The company I work for specializes in hardware and software support
- and maintenance for this line of machines. We also do consulting.
- If you are interested in these services, contact me via PRIVATE MAIL
- at the address in the signature, and I'll be happy to give you the
- contact information you will need.
-
- MC::>That's all I know, sorry. Maybe you would get a better
- ::>response in the unisys newsgroup, which is "comp.sys.unisys"
- ::>(not surprisingly).
-
- Alternatively, post a message to the attention of
- dick.zeitlin%acc1bbs@ssr.com. Mr. Zeitlin will be able to clarify
- anything I said above, and give you even more information.
- Regrettable, c.s.u is _not_ a high-traffic news group.
-
- J/
- jeff.zeitlin@execnet.com
-
- * QMPro 1.0 30-0183 * Can I yell "movie" in a crowded firehouse??
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