ECS Z270-LIGHTSABER, User Manual, Page: 15 / 91

Chapter 1
8
Z270-LIGHTSABER USER MANUAL
Item name PCB mark Function
BIOS Update:
1. Update SPIROM_A: ensure that SPIROM_SW is
on the side A after disconnecting AC for more
than 30s, then connect AC PWR, boot the
computer to enter BIOS Disable Eup Function,
Disable ME Control, the computer will reboot
automatically after saving the setup, then
update BIOS according to normal process.
2. Update SPIROM_B: ensure that SPIROM_SW is
on the side B after disconnecting AC for more
than 30s, then connect AC PWR, boot the
computer to enter BIOS Disable Eup Function,
Disable ME Control, the computer will reboot
automatically after saving the setup, then
update BIOS according to normal process.
EZ SPIROM Switch SPIROM_SW
SPIROM_A: Default BIOS
SPIROM_B: Backup BIOS
BIOS Backup:
1. Disconnect AC PWR for more than 30s and
push the SPIROM_SW to side B, then connect AC
PWR, if the ROM_LED remains on, it shows that
SPIROM_B is selected. Boot the computer to
enter BIOS Disable Eup Function, the computer
will reboot automatically after saving the setup,
then press the POWER button to turn off the
computer. And then press ROM_BACKUP for
more than 4s, if ROM_LED blinks continually, it
shows that F75223 is backuping the file from
SPIROM_B into SPIROM_A. Backup is finished if
ROM_LED returns to remain on after 30s.
2. Disconnect AC for more than 30s, then push
SPIROM_SW to side A, system will return to
default state.
Confirmation of SPIROM_A and SPIROM_B BIOS
version:
Ensure that SPIROM_SW is on the side A/B after
disconnecting AC for more than 30s, and press
CLR_CMOS_BTN button, then to confirm it after
booting the computer.
EZ RESET RESET
Your computer will fast reset after pressing this
button.
EZ POWER POWER This is power button.
EZ Clear CMOS CLR_CMOS_BTN
This button is used to clear CMOS. Please
perform this operation after disconnecting the
AC PWR for more than 30s.