On Sat, Dec 12, 2020 at 11:30 PM Josh Dersch via cctalk <cctalk@classiccmp.org> wrote:
> > Question: Do the card cages and stuff come off the later Perqs as well? > > > > Not as easily. They can all be disassembled to a point but it's not nearly > as simple as the PERQ 1/1A. > > If you pull the side, front, and rear panels off (be careful there -- the > drives are mounted to the rear, and there are cables to deal with), and > pull the boards, it should be significantly lighter. After removing the above, you can remove the floppy drive (the normal 3 cable to an 8" drive and I think 3 screws) and the power supply (under the floppy drive, there are 3 output cables with in-line plugs and sockets, an IEC type main input on the back of the PSU chassis, and 2 screws at the front). The fan tray can come out too, but it's not worth doing. The empty chassis (no drives, boards, or PSU) is just about liftable. > > Question: What does a Perq mouse look like? > > > > It varies. See the Digibarn T2 pictures for one example; the Summagraphics > Bit Pad One was another common option -- big white tablet about 15" square > with a 4-button wired puck. GPIB interface. There was also the Kriz > tablet which was smaller and had three buttons. The original mouse for the PERQ 1 (covered in the schematics book) is very rare and I don't think Bob had one. Most PERQ 1s and 1As used the Sumagraphics bit bad one, as you say with a GPIB interface. The PERQ 2 mouse is a smaller tablet with a normal mouse-shaped thing (3 buttons) wired to it. There are 2 versions, for portrait and landscape machines. The cable ends in a DIN plug that goes into a socket on the monitor. The PERQ 2 keyboard is connected in the same way. A PERQ 1 keyboard has a DA15 plug on the end that goes into the back of the processor box. A PERQ 1 monitor has IIRC a DC37 plug carrying power, sync and video A PERQ 2 montor has a DA15 cable for syncs and keyboard/mouse signals. A BNC cable for video. Portrait monitors have a power cable from the back of the processor box too. Landscape monitors have an IEC mains input connector, sometimes there's a cable to the power output socket on the PERQ, this operates a relay in the monitor to power the monitor up when you turn the system on. Others just have a power switch on the monitor. -tony
