I bought a Dell Precision 620 from a guy mainly because it had 1 1/2 GB rdram Samsung and I bought mainly to retain 1 GB for future systems. Another individual offered to buy this from me with 512 mb installed. I pulled the ram from the machine and replaced slot A1 with a crimm and placed the single stick of 256 mb in slot A2, and left slots B1 and B2 empty in both the top and bottom of each ram expansion card in my Dell 620. This seems to be Dells recommended settings. I also pulled a pci video card out and installed an ATI fire GL2 video card and added an 80 GB Maxtor ide HDD (new). The system has an 18GB Quantum SCSI drive installed and an Adaptec pci card w/64mb memory installed (Micron) and I think this is a raid card of some type? I put a 56K v92 modem into a pci slot. I had fdisked the scsi drive and removed all partitions on the SCSI drive before making all of these changes. Now I turn on the computer and get a yellow flashing light on the front panel but the system will not start. Oh, I also put a new battery on the MB. Can you tell me where to start troubleshooting this problem? I am sure the rdram and expansion cards are properly seated in the slots.
greywolf01 at EE