The OSBiz motherboard does not start and the front panel LED keeps red 60 seconds after power up
While the system is on stock, the battery may reach low voltage levels, which invalidate the processor CMOS boot area. The CMOS memory must be cleared to allow the processor to recover the ability to boot.
On these motherboards, there is a recover mechanism which tries to automatically clear the CMOS memory 30s after power up if the system did not boot. However, in some cases this recover mechanism may not correctly detect that the system is halted, and the recover fails.
We are working on a fix to the recovery mechanism that will make this approach obsolete in the future. Until then, please proceed as follows.
How to clear the CMOS memory from HW release 15 and newer
OCCMAR: S30810-K2965-R200-15 and newer
OCCMBR: S30810-K2965-R100-15 and newer
OCCMA: S30810-K2965-W200-15 and newer
OCCMB: S30810-K2965-W100-15 and newer
OCCSB: S30810-K2965-S-12 and newer
OCCLA: S30810-K2966-x200-15 and newer
For these boards, it is possible to clear the CMOS via reset button, following the instructions below:
1) With the system turned off, press the reset button.
2) Turn on the system, still with the reset button pressed.
3) Release the reset button after 5s. Both frontal LEDs should blink white, indicating the process as successful.
How to clear the CMOS memory from HW release 14 and older in wall mount systems
OCCMA: S30810-K2965-W200-14 and older
OCCMB: S30810-K2965-W100-14 and older
OCCSB: S30810-K2965-S-11 and older
OCCLA: S30810-K2966-x200-14 and older
For these boards, the reset button cannot clear the CMOS. The clear CMOS procedure happens via jumper X56:
To clear CMOS via jumper, follow the instructions below:
For OCCLA, OCCMA, OCCMB and OCCSB:
- With the system turned off, insert the jumper on X56 position 2-3.
- Turn on the system.
- Wait 5s and move the jumper to position 1-2. The system should continue the boot process.
Figure 1- OCCLA x56 jumper position
Figure 2- OCCMA X56 jumper position
How to clear the CMOS memory from HW release 14 and older in rack mount systems
OCCMAR: S30810-K2965-R200-14 and older
OCCMBR: S30810-K2965-R100-14 and older
For OCCMAR and OCCMBR, it is not possible to remove the jumper while system in turned on, due the front panel presence. In this case, the clear CMOS needs to happen with the system offline.
1) With the system turned off, insert the jumper on X56 position 2-3.
2) Wait 5s and move the jumper to position 1-2.
3) Turn on the system.
Figure 3- OCCMBR X56 jumper position
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