After years of trial and error, the community reverse-engineered the pinout. If you are staring at this board right now, here is the "Rosetta Stone" you need.
: Look for a white square or small "1" printed on the motherboard silkscreen. Power SW (Pins 6 & 8) Reset SW (Pins 5 & 7)
| Pin # | Signal Name | Description | |-------|-------------|-------------------| | 1 | SW_PW | Power Switch | | 2 | GND | Ground | | 3 | SW_RST | Reset Switch | | 4 | GND | Ground | | 5 | LED_PWR | Power LED | | 6 | GND | Ground | | 7 | LED_HDD | HDD LED | | 8 | GND | Ground | acer ipisb-vr rev 1.01 front panel
(Empty - No Pin) | [PLED+ ][PLED- ][PWR_SW][PWR_SW][RESET] [HDD+ ][HDD- ][GND ][GND ][+5V_DUAL] ^ ^ | | Row 1 (5 pins) Row 2 (4 pins - note the missing pin at top right)
If you're having trouble getting the board to post, I can help you or find the latest BIOS update . After years of trial and error, the community
Before we dive into the pinout, here's a quick overview of the board's core specifications, which is useful for compatibility when building or upgrading:
: This is the most common point of confusion due to polarity. Connect the positive (+) wire to Pin 1 and the negative (-) wire to Pin 3 . Power SW (Pins 6 & 8) Reset SW
This article provides an exhaustive breakdown of the connector, including pinout diagrams, voltage readings, adapter wiring, and common troubleshooting steps.
A major part of the "full story" is the Front Panel USB/Audio/Card Reader assembly. On many Acer Aspire cases, the front panel buttons were not separate wires. They were integrated into a PCB that also housed the USB ports and card reader.