AT&T 3B1 Boot PROM and system software images?

Steven Hirsch snhirsch at
Mon Oct 18 07:14:16 CDT 2010

On Mon, 18 Oct 2010, Michael Lee wrote:

> On 10/17/2010 5:55 PM, Dave McGuire wrote:
>>   I've not imaged the ROMs, but will do so if they're socketed, after our 
>> big yard sale this weekend.  (I should be able to reach my 3B1 then)  That 
>> is, if nobody else has gotten to it by then.
> I don't have the means to image them, but I do have a pile of 3b1/Unix PC 
> motherboards laying in a pile if anyone is willing to do it, I'll just send 
> the whole board over.  Not sure anymore, but I do recall a PAL or two and a 
> ROM.  Most were socketed if I recall.

The PAL equations are in the the tech manual.


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