> hmmm... When I upgraded my 345, I ordered the bootrom that Dave
> mentioned... it was a J-lead (can't remember the right name for
> the packaging) part.  However, when I upgraded my 400s, the part I
> used was a 40pin dip 2MB part. (27c022 I think)... I have here
> somewhere a file of S-records for that part that I saved "just in
> case" I ever needed it. I believe someone has already taken the
> Srecords and toasted a PROM of their own to upgrade their 400.
> 

Okay, so if I could get one those S-records, then I could make my own 
PROM? How would I go about doing this, or would it make more sense to 
just continue to search for one from HP. Herb was right, my ROM is a 
40-pin. Thanks!

Kyle