The front panel pinout on the Dell MIH61R motherboard consists of several headers, which are usually located on the bottom-right corner of the motherboard. The pinout is as follows:
Mark grabbed his multimeter. He needed to be sure. He set it to continuity mode. He touched the black probe to a known ground on the chassis and the red probe to the pins he suspected were ground. dell mih61r mb front panel pinout
: Standard 9-pin USB 2.0 headers are usually present for front-panel USB ports Front Audio The front panel pinout on the Dell MIH61R
| Signal | Description | |-----------------|--------------------------------------------------| | AUD_MIC_IN | Microphone input (mono) | | AUD_MIC_BIAS | 3.3V bias for electret mic | | AUD_FPOUT_L | Left channel audio output to front panel | | AUD_FPOUT_R | Right channel audio output to front panel | | AUD_RET_L | Return from front panel jack (for sensing) | | AUD_RET_R | Return from front panel jack (for sensing) | | AUD_GND | Analog ground (pins 14 & 20) | He set it to continuity mode
Are you , or just troubleshooting a power-on issue? Dell OptiPlex 390 Desktop Owner's Manual
: These are standard 9-pin headers located elsewhere on the board and are usually compatible with aftermarket case cables. Inspiron 620 Service Manual - Download.dell.com
Used in some Dell configurations to bypass front panel errors Unused / Reserved Additional Motherboard Headers