Because this is an OEM board, it uses proprietary headers for front panel components: Front Panel Header:
: 3-port audio jack (Line-in, Line-out, Mic) powered by the Realtek ALC662 codec Maintenance and Troubleshooting For users seeking the , Lenovo typically includes these details within the Hardware Maintenance Manual (HMM) lenovo is7xm rev 10 motherboard manual
| Feature | Details | |---------|---------| | | Core i7-3770 (recommended), i5-3470, i3-3220, Xeon E3-12xx v2 | | RAM | 4x DDR3 DIMMs, up to 32GB, 1600 MHz, dual-channel | | SATA ports | Ports 0 & 1 (gray) = SATA 3.0; Ports 2 & 3 (black) = SATA 2.0 | | Front panel header | Non-standard (pin 1 = HDD LED+, pin 3 = PWR LED+, pin 7 = PWR SW, etc.) | | BIOS reset | Move jumper J11 from 1-2 to 2-3 for 10 seconds | | Special note | No M.2 slot, no USB 3.0 header (only rear ports) | Because this is an OEM board, it uses