OmniTurn   CNC Lathes Made in Oregon
 Fast... Precise... Affordable... Home Contact

The World’s Most Cost-Effective Turning Machines

To Restore BIOS Settings to Factory Default (ML Motherboard)

ML motherboards were shipped from 2008 until 2011
If the motherboard battery should fail, the BIOS settings which are stored in CMOS memory will have to be reset to insure proper operation. If the CMOS setup screens on your OmniTurn don't match these, then select either M830 BIOS or VB7009 BIOS

NOTE: Click on brown textThe Oregon Coast to show picture; click anywhere else to hide picture. (Apple IOS: refresh page)


To Replace the Motherboard Battery

The Battery is a CR2032 coin-type cell, which is available anywhere batteries are sold.

Before replacing the battery, turn off the CNC control, and shut down the OmniTurn with the disconnectImage of disconnect
Located on the left side of the GT75 at the spindle drive cabinet.

OmniTurn G4 CNC

If you are familiar with BIOS setting, the instructions are as follows:

  1. Power up or reboot the CNC, then press Del key to enter CMOS menu.
  2. Select Standard CMOS Features, then press Enter to open CMOS Features screen.
    • Arrow down to Date and Time and set to current date and time.
    • Press Esc to return to BIOS Main screen
  3. Select Load Optimized Defaults, then press Enter to apply.
  4. Select Advanced BIOS Features, and set the following:
    • 1st Boot Device: USB-HDD
    • 2nd Boot Device: HDD-0
    • 3d Boot Device: USB-FDD
    • Bootup Numlock Status: Off
    • Typematic rate: 6
    • Typematic delay: 1000
  5. Select Integrated peripherals, and DISABLE Onboard LAN Boot ROM.
  6. Verify that VIA OnChip LAN is ENABLED.
  7. Save and exit CMOS

If you NOT are familiar with BIOS setting, screen shots and explanations follow:

Epia ML motherboard BIOS screens: Restore settings to factory default:

BIOS Main Screen:

Power up or reboot the CNC, then press Del key to enter CMOS menu.

Verify "Standard CMOS Features" is highligted, then press Enter to open Standard CMOS Features screen.

Image of Epia ML Motherboard BIOS Main Screen: Standard CMOS Features

Standard CMOS Features screen:

Arrow down to Date and Time and set to current date and time.

Press Esc to return to BIOS Main screen

Image of Epia ML Motherboard Standard CMOS Features
BIOS Main Screen:

Use arrow keys to highlight "Load Optimized Defaults", then press Enter.
Then press "Y".
Then press Enter again.
Epia ML Motherboard BIOS Main Screen: Load Optimized Defaults
BIOS Main Screen:
Use down arrow to highlight "Advanced BIOS", then press Enter. Advanced BIOS Features screen should appear.
Epia ML Motherboard BIOS Main Screen: Advanced BIOS Settings
Advanced BIOS Features:
Use arrow keys to highlight each of the following six items. Use the "+" or "-" keys (or Page Up or Page Down keys) to change each value to match the list. Then press Esc key to return to Main Menu.
Epia ML Motherboard BIOS: Advanced BIOS Features
BIOS Main Screen:
Use arrow keys to highlight "Integrated Peripherals", then press Enter. Integrated Peripherals screen should appear.
Epia ML motherboard BIOS Main Scree: Integrated Peripherals
Integrated Peripherals screen:
Use arrow keys to highlight "Onboard LAN Boot ROM. Use the "+" or "-" keys (or Page Up or Page Down keys) to set it to Disabled.

Verify "VIA OnChip LAN is Enabled.

Press Esc to return to Main Menu.
Epia ML motherboard BIOS Integrated Peripherals
BIOS Main Screen:
Press F10 to save and exit, then press Enter. CNC will reboot with the factory default settings.
Epia ML motherboard BIOS Save and Exit
Back to Top