 Acer File Extensions |
Acer V75M Motherboard
Jumper and Connector Layout
Note - The blackened pin of a jumper represents pin 1.
Jumpers
| Jumper | Setting | Function |
|---|---|---|
| JP1, JP2 | 1-2, 4-5 | Speaker Type: Speaker Out* |
| 2-3, 5-6 | Speaker Type: Line Out | |
| JP4 | 1-2 | Password Function: Bypass |
| 2-3 | Password Function: Check* |
| Switch SW1 | Bus Clock Ratio | |||
|---|---|---|---|---|
| 1 | 2 | 3 | M2 | K6 |
| Off* | Off* | Off* | 3.5* | 3.5* |
| On | Off | On | 2.0 | 4.0 |
| Off | On | Off | 3.0 | 3.0 |
| On | On | Off | 2.5 | 2.5 |
| On | On | On | -- | 4.5 |
| On | Off | Off | -- | 2.0 |
| Off | On | On | -- | 5.0 |
| Off | Off | On | -- | 5.5 |
| Switch SW1 | CPU Core Voltage | ||||
|---|---|---|---|---|---|
| 4 | 5 | 6 | 7 | 8 | |
| Off | On | On | Off | On | 3.3v |
| Off | On | Off | Off | On | 2.9v |
| Off | On | Off | Off | Off | 2.8v |
| Off | Off | On | Off | On | 2.5v |
| Off | Off | On | Off | Off | 2.4v |
| Off | Off | Off | On | On | 2.3v |
| Off | Off | Off | On | Off | 2.2v* |
| Switch SW3 | Frequency(MHz) | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | CPU | SDRAM | PCI |
| Off | On | On | On | 66.6 | 66.6 | 33.3 |
| On | On | Off | Off | 66.6 | 100 | 33.3 |
| Off | On | Off | On | 83.3 | 83.3 | 33.3 |
| On | On | On | On | 90 | 90 | 30 |
| Off | On | Off | Off | 95 | 95 | 31.7 |
| Off | Off | On | On | 100 | 100 | 33.3* |
* Default
Connector Functions
| Connector | Function | Connect To... |
|---|---|---|
| CN1 | Universal Serial Bus Connector | USB Device |
| CN2 | USB HUB connector | USB HUB device |
| CN3 | Upper: PS/2 Mouse Port Lower: PS/2 Keyboard Port | PS/2 Pointing Device PS/2 Keyboard |
| CN4 | ATX Power Supply connector | Power supply |
| CN5 | Upper: Printer port Lower-right: VGA port Lower-left: Serial port | Printer or parallel device Monitor Serial device |
| CN6 | HDD LED connector | HDD LED |
| CN7 | COM1 | Serial device |
| CN9 | Reset button | Reset button |
| CN10 | Floppy diskette drive connector | Flopy diskette drive |
| CN11 | Primary IDE Channel | IDE drive |
| CN12 | Secondary IDE Channel | IDE drive |
| CN15 | Upper: Game port (15-pin female) Lower: (R-to-L) - Microphone-in, Line-In, Line-Out | Joystick Microphone, audio input device, Speaker |
| CN16 | Power LED connector | Power LED |
| CN17 | Power Button Connector | Power Button |
| CN18 | Wake-up on LAN connector | LAN adapter card |
| CN19 | Modem Ring-In connector | Modem adapter card |
| CN20 | CD/DVD audio input connector | CD/DVD-ROM drive |
| CN21 | Fax-voice modem connector | Modem card |
| FN2 | Fan connector | Processor fan |
DIMM Configurations
A maximum of 256MB memory may be installed. You can install 16MB, 32MB, 64MB, or 128MB PC-100 DIMM with gold contacts (64-bit, non-ECC, 100MHz, 3.3 volt) in any socket and with any combination.