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Acer V70MA Motherboard

Jumper and Connector Layout

v70ma board diagram

Jumper and Switch settings

Switch / JumperSettingFunction
JP11-2*
2-3		VGA Interrupt Enabled
VGA Interrupt Disabled
JP21-2
2-3*		Wake-on LAN Active low
Wake-on LAN Active high
JP41-2, 4-5
2-3, 5-6*		Audio Line-in Source - AMC connector
Audio Line-in Source - Line-in connector
JPX11-2
2-3*		CPU Type - AMD K6S-300
CPU Type - Other CPUs
SW3-B1On*
OFF		AMD K65-300 Voltage Select 3.45 V
AMD K65-300 Voltage Select - 3.60 V
SW3-B2On
OFF*		Check password
Bypass password
SW3-B3, SW3-B4Off, Off
On, Off
On, Off
On*, On*		M1542 Bus Frequency - 66
M1542 Bus Frequency - 75
M1542 Bus Frequency - 95
M1542 Bus Frequency - 100


SW2 Settings
CPU Core Clock Multiplier
B1B2B3K6
OffOffOff3.5
OnOffOn4.0
Off*On*Off*3.0*
OnOnOff2.5
OnOnOn4.5
OnOffOff2.0
OffOnOn5.0
OffOffOn5.5


SW2 Settings
CPU Core Voltage
B4B5B6B7B8Voltage
OffOnOnOffOn3.3
OffOnOnOffOff3.2
OffOnOffOffOn2.9
OffOnOffOffOff2.8
OffOffOffOnOn2.3
Off*Off*Off*On*Off*2.2*

Connector Functions

ConnectorFunction
CN1USB port
CN2Power LED (pins 1-3)
HDD LED (pins 4-7)
Reset button (pins 8-9)
Power button (pins 10, 20)
IrDA connector (pins 14-19)
Turbo LED (pins 11-13)
CN3Upper: PS/2 mouse port
Lower: PS/2 keyboard port
CN4ATX power connector
CN5ATI AMC feature connector
CN6Upper: Parallel port
Lower: VGA port (right), COM2 port (left)
CN7Wake-on LAN connector
CN8COM1 port
CN9Modem ring-in connector
CN10IDE2 connector
CN11IDE1 connector
CN12Floppy disk drive connector
CN13Upper: Game/MIDI port
Lower: (R-to-L) - Microphone-in port, Stereo line-in port, Stereo line-out port
CN14 Fax/voice connector
CN15 CD-in connector
CN16 Volume control connector
CN17External CS4610 connector
FN12-pin CPU fan connector
FN25-pin CPU fan connector

Memory

The system memory is upgradable to a maximum of 256MB via two 168-pin DIMM sockets on board. These DIMM sockets accept 8-, 16-, 32-, 64-, and 128-MB standard DRAMs with Parity Check or Error Correction Code (ECC) feature at the 66MHz bus speed and 16-, 32-, 64-, and 128-MB PC100 SDRAM at the 100MHz bus speed. The additional RAM should be 168-pin, 10ns, and 3.3V DIMMs. Use normal SDRAMs (PC-66) for 333MHz CPU´s and below, while using PC100 SDRAMs for 350MHz CPU´s and above. When installing DIMMS, ensure that you install only one type of DIMM. Do not combine PC-66 and PC-100 DIMMs.


Enabling USB

To enable the USB ports follow these steps:

  • To access the CMOS Setup Utility

    Press [Ctrl] + [Alt] + [Esc] early in the boot-up process, after the first beep but before the operating system loads. It may be necessary to hold down the [Ctrl] + [Alt] keys while repeatedly tapping the [Esc] key in order to get the timing right.

  • Select Onboard Peripheral Configuration
  • Page down to Page 2
  • Change USB Host Controller to [Enabled]
  • Save and Exit the Setup Utility

How do I access my BIOS?

Resolution: You can access the BIOS by pressing CTRL+ALT+ESC as the system is booting. At the bottom of the second start up screen you should see "To enter setup, press CTRL_ALT_ESC".

Note: If the system displays the Acer Splash Screen, once you hear the beep, you should begin pressing CTRL+ALT+ESC. You may need to press CTRL+ALT+ESC continuously until you access the BIOS setup screen.

How do I disable the onboard video?

To disable the onboard video for this system, please follow the steps below:

  • Press Ctrl+Alt+Esc to enter BIOS Setup Utility during system boot and before the operating system starts.
  • Press Alt+F4 when the Setup Utility menus appears.
  • Select Boot Options.
  • Change Primary Display Driver to Auto
  • Press Esc three times and choose yes to save CMOS changes.