[rescue] Reviewing some of my old Unix and CP/M systems, plus some searchings
Curtis H. Wilbar Jr.
rescue at hawkmountain.net
Fri Oct 19 20:07:22 CDT 2007
Mr Ian Primus wrote:
>> * For a couple of Sun3/60 plus one Sun3/50. All are
>> orphan of (at least) any
>> kind of screen, hard disk, or keyboard
> On these machines, the ECL monochrome monitors are
> unobtainium. I have been searching for one for years
> to no avail. Only recently did I get an analog Sun
> mono monitor. Those are rare too. Analog mono monitors
> aren't compatible with this machine, unless you have a
> color framebuffer, AFAIK.
I have two of these ECL mono monitors... as I recall both are
working.... but one is dimm (may be correctable). Currently
though I have to keep one for sure, for my Sun-2/120 and my
early Sun-3 (/50, /60) kit.
Anyone repair/adjust these... what are the common failure modes ?
> If you're lucky, you have a color framebuffer - this
> can be used with many VGA monitors with the proper
> For the keyboard, the Sun3 keyboard is very rare too.
> But you can use the more common Sun type 4/5/6
> keyboards by making an adapter. The signals are the
> Sun 3 15 pin keyboard connector (at computer) :
> 1 RxD0 (keyboard) 8 GND
> 2 GND 9 GND
> 3 TxD0 (keyboard) 10 VCC
> 4 GND 11 VCC
> 5 RxD1 (mouse) 12 VCC
> 6 GND 14 VCC
> 7 TxD1 (mouse) 15 VCC
> Type 4/5 keyboard connector (at computer) :
> 7 1 GND 5 TxDA (Keyboard)
> 8 6 2 GND 6 RxDA (Keyboard)
> 5 4 3 3 Vcc 7 TxDB (Mouse)
> 2 1 4 RxDB (Mouse) 8 Vcc
> (Pinout info from Sun hardware reference)
> These machines take SCSI disks, you just need an
> adapter to go between the 50 pin dsub three row
> connector and something else. The Sun 3/60 even has
> space for an internal disk if you do some board
> hacking. (adding the header connector, etc).
> If no keyboard is connected, the first serial port is
> used as the console. A terminal connected to port A
> (9600/8/n/1) will work.
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
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