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Article #901

Re: 3/260 workstation help needed

#901
From: Craig Dewick
Date: Mon, 06 May 1996 00:00
88 lines
3077 bytes
In <4m6b9q$t9b@huron.eel.ufl.edu> afn41813@afn.org (Philip B. Beltz) writes:

>I just picked up a sun 3/260 unit. I need a little help with the
>following. I need to figure out the keyboard port (15 pins) what pins go
>to the key board and what pins go to the mouse. 

Ok, with Sun keyboards that I've dealt with (type 3's and type 4's), there
is one cable going between the keyboard and CPU board. There's a seperate 
cable from the keyboard to the mouse.

On type 3 keyboards, the cable from the keyboard to CPU board is fixed to
the keyboard, and has a male 15-pin 'D' plug for the CPU board end. The
mouse connects with a RJ-11 (or similar) phone plug to a special socket 
in the back of the keyboard.

On type4 keyboards, there are two identical 8-pin mini-DIN sockets under
the keyboard. One takes the cable to the CPU board (can have either type
of connector on the CPU board end), and the other takes the mouse cable. 
The CPU board and mouse cables can be plugged in either way around to
facilitate left-hand or right-hand usage. 

The pinouts for the two types of keyboard/mouse connector are:

  Subject: type 4 / type 3 keyboard pinouts

    8 pin socket

	7
    8       6
    5   4   3
      2    1

    1  GND
    2  GND
    3  Vcc
    4  RxDB (Mouse)
    5  TxDA (Keyboard)
    6  RxDA (Keyboard)
    7  TxDB (Mouse)
    8  Vcc

    15 pin socket

    8 - - - 1
     15 - 9

    1  RxDA (Keyboard)
    3  TxDA (Keyboard)
    5  RxDB (Mouse)
    7  TxDB (Mouse)

    2,4,6,8,9 GND
    10-15 Vcc


>Also I need to know what are the lines out on the 9 pin plug for
>the video.

    ECL:

		  Vert
      vid+   Horiz |
       |       |   |
      1o   o   o   o  5o

	6o   o   o  9o
	 |   |   |   |
	 |   +---+---+
	 |       |
	Vid-    gnd


>I also think that there are two and maybe three scsi ports on the machine.

The SCSI port(s) will all be female 50-pin 'D'-type connectors. It's easy
to make a SCSI cable using IDC (crimp-on) connectors by making sure pin 1
of each connector lines up when you crimp them onto the ribbon cable in a
vice. 

Regards,

Craig.
-- 
        Craig Dewick - craig@zeta.org.au - http://www.zeta.org.au/~craig  
                          Located in Sydney, Australia.
          Sun Ripened Kernels - http://www.zeta.org.au/~craig/srk.html
                Surplus and pre-loved Sun Microsystems equipment.
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From: craig@zeta.org.au (Craig Dewick)
Subject: Re: 3/260 workstation help needed
Date: 1996/05/06
Message-ID: <4mkcq9$s7r@godzilla.zeta.org.au>
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references: <4m6b9q$t9b@huron.eel.ufl.edu>
organization: Kralizec Dialup Unix Sydney, +61-2-837-1183 V.32bis
newsgroups: alt.sys.sun,aus.computers.sun,comp.sys.sun.hardware