The cable for the RX01/02 to the various interfaces is the BC05L-15. Either cable will work on them.
Paul On Wed, Aug 19, 2015 at 4:48 PM, Brent Hilpert <hilp...@cs.ubc.ca> wrote: > On 2015-Aug-19, at 2:17 PM, Ethan Dicks wrote: > > On Wed, Aug 19, 2015 at 5:09 PM, Brent Hilpert <hilp...@cs.ubc.ca> > wrote: > >> Would anyone have a surplus-to-needs, or know of a source for, a VT100 > keyboard? > > > > I have terminals and keyboards, but I don't know that I have more > > working keyboards than working terminals. > > > >> This would actually be for the DECmateI/VT278 I mentioned on the list a > couple weeks ago, Rob and I are looking into doing something with it. > > > > Cool. I have one of those myself - just the basics - no addon cards, > > one set of floppies (room in the pedestal to add more), but I do have > > the "desk" upgrade (a metal clip that mounts where the keyboard tray > > normally goes, and a desk top and left-side leg so you have a > > workspace right in front of you rather than hunching up in front of > > the pedestal). > > > >> Alternatively, does anyone know if there is any degree of signalling > compatibility between the VT100 and VT220/320 keyboards? > > > > None. The VT100 keyboard is 3-wire: power, ground, and bidirectional > > data with a dumb hardware UART in the keyboard; the VT220/320 > > keyboards (LK201 et al.) have a 4-wire interface with power, ground, > > tx, and rx, and a sophisticated (by comparison) character protocol. > > > >> Those RX floppies in the pedestal on ebay mentioned a week > >> or two ago were just what was needed to complete it, > >> as they actually looked like they were part of a 278 > > > > Yes. Except for missing the "wood" top, that did look to me like a > > VT278 floppy pedestal. You don't "need" that if you have room for a > > side-by-side RX01 or RX02. That pedestal is just mounting and > > packaging (along with a passive DB25<->Berg 40 adapter). You could > > use the same floppy cabinet as a MINC-11 with (AFAIK) the same cables. > > I think there is only one DEC standard for running an RX drive over > > DB25. The only part that might matter is RX01 vs RX02 (I _think_ > > MINCs came with either by the end). Either way, the floppy drive guts > > are all the same across all the lines. You can just get them in 3 > > packages (rack-mount, tabletop, or pedestal). It's only about > > mounting (and 40-pin internal vs 25-pin external). > > Thanks, that was a question I had been intending to ask, but to confirm: > If one obtained (as appropriate) bare RX01/2 floppy drive(s), it would > just be a matter of power supply for the floppies, and passive cabling to > interface the drives to the CPU/display? > I actually have the DB25-to-DC37 cable that goes between the disk unit and > the DC37 connector on the CPU/display unit. > > If we move this along we may be asking for system software in the future, > I haven't looked at what may be readily available (i.e. bitsavers) as yet. > >