Prescott Socket T

GH035 Prescott P4 64bit Kit, 551, 3.4G, 800FSB, 1MB, Socket-T
YH063 Processor, Pentium 4 Prescott Dt, 650, 3.4, LGA, R0
W9855  Processor Unit P4 640, 3.2Ghz, 800FSB, 2MB, Socket-T
DD518  Processor Unit P4 64bit 531, 3.0Ghz, 800FSB, 1MB, Socket-T

will a pentium d not work?

also what does bios revison a02 add support for?

will a pentium d not work?   also what does bios revison a02 add support for?

No it wont work ever.

Dell doesnt list release notes for bios anymore.

Pentium D would require newer GX620 or better Optiplex.