IBM 83-key questions (repair and color)

[Sridhar Ayengar]

Chuck Guzis wrote:
> I'm typing this on a Model M with Wang branding, Model 1397721.  It's 
> got a molded-in grill on the bottom for a small (maybe 1.5") speaker, 
> but no speaker.  Any idea what this was used for (and can I add a 
> speaker)?  

IBM RS/6000's don't have an internal speaker.  They talk to a speaker in 
RS/6000-specific Model M's by way of the two unused pins in the PS/2 
keyboard connector.  The PS/2 Model M's don't come with a speaker.

Peace...  Sridhar