[rescue] SS5 mobo

Janet L. Campbell janet at foonly.com
Tue Mar 2 13:59:58 CST 2004

On Tue, 2 Mar 2004, Nadine Miller wrote:

> Dunno.  There's no mbus-type module in the right
> hand slot (viewing from the back), but I've never
> worked on SS5's.  Is the CPU soldered on the mobo
> on SS5's?
> There is a big chip with a round heatsink on the
> left hand side of the board:
> STP1012PGA
> MB86904
> F Japan
> 9423 Y03F
> -85

That's an 85MHz microSparc.

That slot isn't an Mbus slot, it's for the AFX bus S24 framebuffer.  SS5s
have their CPUs either soldered to the mainboards or socketed.

Both the 160MHz and 170MHz TurboSparcs have CPU fans.


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