UniBone: Linux-to-DEC-UNIBUS-bridge, year #1

Stefan Skoglund stefan.skoglund at agj.net
Sat Nov 16 08:52:01 CST 2019


fre 2019-11-15 klockan 14:07 +0100 skrev Jörg Hoppe via cctalk:
> Its been a long time since last public post about UniBone, time for
> a 
> bragging broadcast.
> 
> *What it is:*
> In case you forgot: UniBone is a plugin board to DEC PDP-11 UNIBUS 
> systems containing a BeagleBone Black.
> 
> See http://retrocmp.com/projects/unibone.
> 
> This combo can simulate PDP-11 devices embedded in a physical
> machine.
> So you can operate and repair incomplete UNIBUS PDP-11s and even
> VAXes, 
> just by emulating the missing parts.
> Disk drive emulators accept SimH image files, which can be ftp'd to
> the 
> emulator (no SDcard changing!).
> 
> As UniBone can acquire bus mastership, its also UNIBUS diagnostic 
> console, as well as stimulate individual UNIBUS lines.
> 
> Realtime stuff is implemented on BBB's PRU coprocessors.
> All programming is done in plain C/C++ under mainstream Debian Linux.
> 

Ethernet or FC connection ??
If so it would be possible to build an PDP-11 who is datacenter-
compatible today year 2019 ...

One requirement for todays datacenter (for some owners at least) is the
ability to directly connect the system to the storage system (ie
FC/SCSI or IP/iSCSI.)

Hint: with that requirement as far as i know it an ARM device in the
form of a Samsung S9 can't be data center compatible....



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