Select a model of ML400 from the contents pane on the right to view the technical resources. The model number can be found on the bottom of the unit.
Internal Access
The ML400 can be opened by the user. This does not void the warranty, however, any damage caused by doing so will not be covered.
Required tools: P2 Phillips screwdriver, long flathead screwdriver, 5mm driver if COM ports installed.
The following are steps to opening your ML400 case:
Remove the 6x Phillips screws from the rear of the unit as shown by the red circles below:
Remove the standoffs from the COM ports as shown below:
Note the ridge between the heat block and the lid:
Insert a Flathead screwdriver into the ridge and pry the lid off by turning the screwdriver as shown below:
Hinge off the lid at a 45 degree angle and remove it:
Model Specific Troubleshooting
The following content outlines common service tasks performed on the ML400 and are broken out by model number. You can find your model number on the silver sticker located on the bottom of your unit.
Locate the AT/ATX jumper.
Move it over by 1 pin.
Auto power on is now enabled
Locate the CLRMOS1 jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
Restore the jumper to its original position. The CMOS is now clear.
Power on the unit and press the Del key repeatedly to access the BIOS.
Navigate to the Chipset tab and open the South Bridge menu:
Change System State after Power Failure to [Always On].
Press Esc to go back.
Save changes and reset from the Save & Exit tab:
Locate the JBAT Jumper.
Short pins 1 and 2.
Wait 30 seconds.
Restore the jumper to its original position. The CMOS is now clear.
ASRock IMB-186 Motherboard
Locate the PWR_JP1 jumper indicated by the orange arrows
Locate the clear CMOS jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
Restore the jumper to its original position. The CMOS is now clear.
Locate the AT/ATX jumper.
Move it over by 1 pin.
Auto power on is now enabled.
Locate the CLRMOS1 jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
Restore the jumper to its original position. The CMOS is now clear.
Mitac PH12SI-I Motherboard
Power on the unit and press the Del key to access the BIOS
Navigate to the Chipset tab
Open the PCH-IO Config menu
Change”State After G3″ to S0
Locate the CLRMOS1 jumper
Move the
jumper over by 1 pin
Wait 30 seconds
For the latest security advisories concerning OnLogic products, including vulnerability disclosures and necessary updates, please refer to our official Security Advisories page. It is recommended to regularly check this resource for critical security information.
Move it over by 1 pin, where pins 1-2 are AT Mode and 2-3 are ATX Mode.
Locate the CLRMOS1 jumper.
Move the jumper over by 1 pin.
ML450 Series
Technical Resources
Internal Access
The ML450 can be opened by the user. This does not void the warranty, however, any damage caused by doing so will not be covered.
Required tools: P2 Phillips screwdriver, long Flathead screwdriver, 5mm driver if COM ports installed.
The following steps walk you through opening your ML450 case:
Ensure your body is discharged of any static electricity by touching a grounded metal surface.
Remove the 6x Phillips screws from the rear of the unit as circled below in red:
Remove the standoffs from the COM ports and the DC jack nut (if applicable) as shown below:
Remove the 2x Phillips screws from the bottom:
Note the ridge between the heat block and the lid:
Insert a Flathead screwdriver into the ridge between the metal block and the lid (the lid is the top piece with the fins). Rotate the screwdriver to break the thermal paste seal and pop them apart.
Lift the lid directly upwards to remove it. You now have access to the internals.
ASRock IMB-154 Motherboard
Locate the PWR_JP1 jumper indicated by the orange circle.
Move PWR_JP1 over by 1 pin.
The unit is now configured for auto power on.
Unplug the system completely – remove power and all peripherals
Locate the clear CMOS jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
ASRock IMB-156 Motherboard
Locate the PWR_JP1 jumper indicated by the orange circle.
Move the PWR_JP1 over by 1 pin.
The unit is now configured for auto power on.
Unplug the system completely – remove power and all peripherals
Locate the clear CMOS jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
ASRock IMB-181 Motherboard
Locate the AT/ATX jumper.
Move it over by 1 pin.
Auto power on is now enabled.
Unplug the system completely – remove power and all peripherals
Locate the CLRMOS1 jumper.
Move the jumper over by 1 pin.
Wait 30 seconds.
ASRock IMB-190 Motherboard
You can find the drivers by clicking on the “Support” tab, then selecting your Operating System from the dropdown list.
Locate the AT/ATX jumper
Move it over by 1 pin
Auto power on is now enabled
Unplug the system completely – remove power and all peripherals
Locate the CLRMOS1 jumper
Move the jumper over by 1 pin
Wait 30 seconds
Mitac PH12SI-I Motherboard
Power on the unit and press the Del key to access the BIOS
Navigate to the Chipset tab
Open the PCH-IO Config menu
Change”State After G3″ to S0
Unplug the system completely – remove power and all peripherals
Locate the CLRMOS1 jumper
Move the jumper over by 1 pin
Wait 30 seconds
For the latest security advisories concerning OnLogic products, including vulnerability disclosures and necessary updates, please refer to our official Security Advisories page. It is recommended to regularly check this resource for critical security information.
Restore the jumper to its original position. The CMOS is now clear.
Restore the jumper to its original position.
The CMOS is now clear.
Restore the jumper to its original position. The CMOS is now clear.