[rescue] Sun Ultra 2 series PROMs

Jim Hickstein jxh at jxh.com
Thu Jan 2 21:15:50 CST 2014

On 1/2/14 8:47 PM, Jonathan Katz wrote:
> http://pdf1.alldatasheet.com/datasheet-pdf/view/394698/STMICROELECTRONICS/M48T59Y-70PC1.html
> It looks like the + of my battery (3x 1.5V AAAs for right now... should
> give me 4.5vdc) will go to pin # 28, while the - will go to pin 14. This
> are at the complete opposite ends of the chip, a little different than the
> various tutorials for the sun4c and sun4m class hardware that are out there.

Every DIP I've ever seen had Vcc and GND on those respective corners. 
Hallowed by tradition, if nothing else.

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