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To Restore BIOS Settings to Factory Default (ZF‑Micro Motherboard)

If the motherboard battery should fail, the BIOS settings which are stored in CMOS memory will have to be reset to insure proper operation. (BIOS is acronym for Basic In/Out Settings, and CMOS is acronym for Complementary Metal Oxide Semiconductor memory)

ZF Micro Splash

ZF Micro Motherboard Splash
If you are familiar with BIOS setting, the instructions are as follows:
  1. Power up or reboot the CNC, then press the F2 key to enter CMOS menu.
  2. Press F9 key for Setup Defaults, then press Enter for Yes.
  3. Arrow down to Legacy Diskette B:, and set to 1.44/1.25 MB 3½".
  4. Arrow right to highlight Advanced, then arrow down to highlight I/O Device Configuration; press Enter to open menu.
    • Set Serial port A and Serial port B to Enable.
      Press Esc to return to Advanced.
  5. Arrow down to highlight Console Redirection; press Enter to open menu.
    • Set Con Port Address to Disabled.
  6. Press F10 to save and exit CMOS.

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

Epia ZF-Micro motherboard BIOS screens: Restore settings to factory default:

BIOS Main Screen:
Power up or reboot the CNC, then press F2 key to enter CMOS menu.

Press F9 key for Setup Defaults, then press Enter for Yes to confirm.
ZF Micro Motherboard BIOS Main Screen: Load Setup Defaults
Press F9 key for Setup Defaults, then press Enter for Yes to confirm.
ZF Micro Motherboard BIOS Main Screen: Confirm Setup
Arrow down to Legacy Diskette B:, and set to 1.44/1.25 MB 3½".
ZF Micro Motherboard BIOS Main Screen: Legacy Diskettes
Arrow right to highlight Advanced, then arrow down to highlight I/O Device Configuration; press Enter to open menu.
ZF Micro Motherboard BIOS Advanced Screen: I/O Device Configuration
Set Serial port A and Serial port B to Enable. Press Esc to return to Advanced.
ZF Micro Motherboard BIOS Advanced Screen: I/O Device Configuration
Arrow down to highlight I/O Device Configuration; press Enter to open menu.
ZF Micro Motherboard BIOS Advanced Screen: Console Redirect
Set Con Port Address to Disabled.
ZF Micro Motherboard BIOS Advanced Screen: Console Redirect
Press F10 to save and exit CMOS.
ZF Micro Motherboard BIOS Advanced Screen: Save & Exit
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