Intel Core i7, i5, i3 (Sandy Bridge and Ivy Bridge).
[ 2 ] [ 4 ] [ 6 ] [ 8 ] [10] [12] [14] [ 1 ] [ 3 ] [ 5 ] [ 7 ] [ 9 ] [11] [13] : Hard Drive Activity LED (HDD_LED) Pins 2 & 4 : Power Indicator LED (P_LED) Pins 5 & 7 : Reset Switch (Reset_SW) Pins 6 & 8 : Power Switch Button (Power_SW) Pins 9 & 11 : Reserved / Key Pin (often blank) Pins 13 & 14 : Ground / Chassis Ground Common Troubleshooting & BIOS Updates acer ipimbar rev 102a manual link
However, you can easily access the general desktop user manuals and specific hardware layout breakdowns through alternative methods. 📄 Accessing General Manuals & Specs Intel Core i7, i5, i3 (Sandy Bridge and Ivy Bridge)
4 DIMM slots supporting up to 16GB of DDR3 1333/1600 MHz non-ECC unbuffered memory. Expansion: 1 x PCI Express 3.0 x16 slot. 3 x PCI Express 2.0 x1 slots. Expansion: 1 x PCI Express 3
While these manuals don't provide the deep technical dives found in service manuals (like circuit diagrams), they are the essential starting point for most users.