1x PCIe x16, 1x PCIe x1, and 2x standard PCI slots. Where to Find the Official Manual
This is typically a 13-pin or 14-pin proprietary header. A common pin mapping for Lenovo ThinkCentre boards includes: Pins 1-2: HDD LED Pins 6-8: Power LED Pins 10-12: Power Switch lenovo is7xm rev 1.0 motherboard manual
Vision It Lenovo Small Form Factor Motherboard 64Y9769 - Lga1155 Socket, Intel Q77 Chipset, Ddr3 Support 1x PCIe x16, 1x PCIe x1, and 2x standard PCI slots
1x 9-Pin Serial (COM) port and an internal header for a Parallel (LPT) port. 1x PCIe x16
