[rescue] Re: Ultra 1 memory

[nick at snowman.net]

One of SGI's proprietary dimms is probably 200pin.  GRR.
	Nick

On Wed, 13 Feb 2002, Robert Novak wrote:

> On Wed, 13 Feb 2002, Eric Dittman wrote:
> 
> > What kind of memory does a Sun Ultra 1 use?
> 
> Ultra 1 memory. :-)
> 
> Seriously, it's a 200-pin 5V ECC 60n DIMM, mostly the same used in SS10,
> SS20, Ultra 1/2/30/60/80/220/250/420/450, Netra T1125, and probably some
> others. 
> 
> Ultra 1 will take 16/32/64/128MB sticks in pairs. Other models in that
> list have other limitations and may have other bank sizes (SS10/SS20 have
> banks of 1, limit of 32MB or 64MB sticks... my 450 at work has 4 banks of
> 4 256MB sticks each)..
> 
> http://sunsolve.sun.com/handbook_pub/Devices/Memory/MEM_Ultra_1.html
> 
> Apparently you can use 256MB sticks if you have them, but half of them 
> will be ignored. The above url notes: "Each bank addresses 256MB of
> memory. Unused memory is mapped out by the memory management hardware."
> 
> I don't know offhand of any other brand of computer that uses 200pin
> DIMMs. Most of the other Suns with SIMM/DIMM/SODIMM memory have at least
> one cousin in the outside world that uses them. For example, the Ultra 5
> memory can be used in many PPro server or high end workstation boards
> (W6Li, PR440FX).
> 
> Rob
> 
> -- 
> Robert Novak, Indyramp Consulting * rnovak at indyramp.com * indyramp.com/~rnovak
> 	"I don't want to doubt you, Know everything about you
>       I don't want to sit Across the table from you Wishing I could run."
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue