For Dell Optiplex 790 & 990 and Precision T1600 Front Panel Header Adapter Kit | eBay
Dell Optiplex 790 Front Panel Pinout - CPUs, Motherboards, and Memory - Linus Tech Tips
Dell optiex 790 front panel pinouts - New Builds and Planning - Linus Tech Tips
DELL OPTIPLEX 990
OptiPlex 990 Service Manual (Mini-Tower)
Dell 5/6 Pin Power Button/LED Front Panel Adapter For Dell Motherboards | eBay
SOLVED: Need the motherboard layout for the front panel - Fixya
Dell optiex 790 front panel pinouts - New Builds and Planning - Linus Tech Tips
How to connect a 5 pin power switch to a motherboard that uses 2 pin? - Dell Community
Years too late: Everything about Dell front panel connectors from the BTX era that nobody really wanted to know (plus converting an XPS 700 with factory Dell parts). : r/pcmods
SOLVED: Need the motherboard layout for the front panel - Fixya
How to connect a 5 pin power switch to a motherboard that uses 2 pin? - Dell Community