DEC Professional 350

Hello list, I've been recently offered a Pro350 unit, depending on whether I can get past my budget and the wife. :-) Said unit has 256kB RAM and a 10MB disk, presumably a RD51. No operating system. 4 SLU async card. VR201 monochrome monitor. F-11 CPU (LSI-11/23). Some questions I have: 1. What OS can I run on this system? (Yes, I've heard the nightmares of the Piece of S* O/S). I was thinking in lines of RT-11...if so possible, then where can I get RT-11 for the Pro350? Is RSX-11 available for the Pro350? 2. Correct me if I'm wrong: Since it's the F-11 CPU, then it'll be limited to 18-bit addressing, therefore maximum RAM supported is 256kB, right? 3. Can I "upgrade" the RD51 with a RD54? Perhaps that depends of the bootROM and O/S support, right? Thanks. /wai-sun -- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm