[rescue] Sun2: Looking for the 1.X Boot PROMs

Steve Piette steve at simon.chi.il.us
Wed May 9 12:18:40 CDT 2018


Ryan Eisworth wrote:
> On Apr 10, 2018, at 1:20 PM, Steve Piette <steve at simon.chi.il.us> wrote:
>
>   
>> Anyone have the 1.X.X version of the Sun2 boot PROMs that came out with/after 4.0? I have the Rev N and Rev R PROMs.
>>
>>     
>
>
> Just tonight I came into possession of a basket case 2/120 as a disassembled
> pile of parts. I have two CPU boards. Thanks to the help of a few friends, one
> has been identified as Rev N, and the other as Rev 1.0f. They are imaged
> here:
>
> <https://diskfutility.com/files/sun/rom/Sun2-120-revN-IC1.BIN>
> <https://diskfutility.com/files/sun/rom/Sun2-120-revN-IC2.BIN>
>
> <https://diskfutility.com/files/sun/rom/Sun2-120-rev1.0f-IC1.BIN>
> <https://diskfutility.com/files/sun/rom/Sun2-120-rev1.0f-IC2.BIN>
>
> IC2 is the chip nearest the CPU. Hopefully this is helpful to someone.
>
> Best regards,
> Ryan
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
>   

The rev N images look like the standard version for the Sun-2 keyboard 
but the rev 1.0f look like it may be a winner. I'll try burning a couple 
of 27256 EPROMs and see if it boots up and what it says it is.

Thanks,

Steve


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