[rescue] Looking for broken IPX system board or chips

[Michael Dombrowski]

 My understanding is that the Weitek PowerUP CPUs are the same between the SS2 and IPXmike

    On Saturday, January 4, 2025 at 10:28:30 AM CST, Dave McGuire via rescue <rescue at sunhelp.org> wrote:  
 
 
  Are you certain the pinout etc is the same?  I'd definitely not risk 
it without hard info like datasheets or a schematic.

  I think if one could drop a 16-context SS2 IU into an IPX, a lot of 
us would've done it back in the day, but it's not something I've ever 
heard of.

                -Dave

On 1/4/25 11:18, Ethan Hawke via rescue wrote:
> There were several compatible CPUs shared among the SS2/IPX systems 
> (LSI, Cypress, Fujitsu and Weitek), the IPX had a slightly downgraded 
> MMU (8 contexts vs 16) but is more or less the same, there shouldn't be 
> any issue swapping CPUs between them.
> 
> -Ethan
> 
> 
> On 5 January 2025 2:42:39 am AEDT, Dave McGuire via rescue 
> <rescue at sunhelp.org> wrote:
> 
> 
>    The SS2 and the IPX do not use the same CPU.
> 
>    -Dave
> 
>    On January 4, 2025 9:57:22 AM Todd Vernon via rescue
>    <rescue at sunhelp.org> wrote:
> 
>        I believe I have a spare SS2 board I bought just to harvest a
>        PowerUp CPU from and I have the CPU from another SS2 that I put
>        PowerUp chip into. Not sure they are same as the IPX.
> 
>        If you determine they are I could sell you that bundle. Let me know.
> 
>        -t
>        ------------------------------------------------------------------------
>        Todd Vernon
>        Entrepreneur | Investor
>        Email: todd at toddvernon.com
>        LinkedIn: toddvernon
>        On Jan 4, 2025 at 5:30 AM -0700, Michael Dombrowski via rescue
>        <rescue at sunhelp.org>, wrote:
> 
>            I gambled and lost on an IPX with a low buy-it-now price:
>            the three main chips (GPU, Sparc, cache) have all been
>            pulled and I assume sold for $0.25 of gold. The rest of the
>            system seems to be in decent shape and I'm loath to just
>            throw this away. Anyone happen to have these three chips, or
>            more likely, an otherwise broken IPX system board that I
>            could harvest them from?
> 
>            mike
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> 
> 
>    --
>    Dave McGuire, AK4HZ
>    New Kensington, PA
>    ------------------------------------------------------------------------
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> 
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-- 
Dave McGuire, AK4HZ
New Kensington, PA

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