: 1x Parallel (LPT) port and 1x Serial (COM) port.
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For users moving this board to a new case, the front panel connections typically follow this standard Acer/ECS layout : Connection Description HDD LED Hard drive activity light (Pin 1 is typically positive) 2 & 4 Power LED System power indicator light 5 & 7 Reset SW Reset button connection 6 & 8 Power SW Main power button connection 9 Key Empty/no pin for orientation BIOS and Support
Connects the master chassis power button. Polarity independent. Pin 9 (Reserved): Left empty or unassigned. Power Infrastructure Connectors
LEDs are polarized (positive/negative sides must match), while switches (Power/Reset) are not Acer Community BIOS and Jumper Settings Clear CMOS: To reset BIOS settings, locate the
: Locate the CLR_CMOS jumper (usually near the battery). Move the jumper cap from pins 1-2 to 2-3 for 5-10 seconds, then return it to the original position to reset BIOS settings.
Populate both slots with identical memory modules to enable dual-channel bandwidth mode.
| Pin | Signal | Pin | Signal | | :--- | :--- | :--- | :--- | | 1 | HDD LED (+) | 2 | Power LED (+) | | 3 | HDD LED (-) | 4 | Power LED (-) | | 5 | Ground | 6 | Power Switch | | 7 | Reset Switch | 8 | Power Switch (Ground) | | 9 | N/C (Not connected) | 10 | Key (No pin) |
Locate the 3-pin jumper labeled or JBAT1 near the round silver coin-cell battery.