Dell Optiplex 390, is there supposed to be a heat sink there? Even one of these boards on eBay was selling used without one. What's the part number/where can I find it? :
Dell Optiplex 390 Will not start - Dell Community
Solved: 390, CPU upgrades? - Dell Community
Optiplex 390 diagnostics error - Dell Community
OptiPlex 390 Small Form Factor Owner's Manual
Dell OptiPlex 390 download instruction manual pdf
Dell OptiPlex 5040 specificații
OptiPlex 390 Mini-Tower Owner's Manual
OptiPlex 390 Small Form Factor Owner's Manual
User manual Dell OptiPlex 790 MT (English - 47 pages)
User manual Dell OptiPlex 390 (English - 92 pages)