[SunRescue] OT: RS/6000s

[Sheldon T. Hall]

On Tuesday, April 04, 2000 8:44 PM, emp7 at cornell.edu wrote:

> A friend of mine acquired a pair of old RS/6000s (one 250 and one 410 (I
> think)).  Unfortunately they came with no keyboards, no monitors, and no
> RAM.  I searched the net and the references I found said that some
> RS/6000s used PS/2 RAM.  How is this different from normal 72 pin RAM?

I believe the IBM PS/2 SIMMs have special resistors across normally-unused 
pins, and the value of the resistance tells the CPU (or the chipset, or 
something) the size of the SIMMs.

What resistance, or what pins, I know not, though I have seen the 
information in the far-diatant past.

-Shel