Dell OptiPlex 170L Desktop Motherboard- WC297 – Buffalo Computer Parts
Fit Optiplex 780 MT with a floppy drive? Motherboard has DSKT solder points, but no pins. BIOS has 1.44 floppy on the list of available drive slots. That's q45 chipset. May I
Dell OptiPlex 780 Small Form Factor Repair - iFixit