X58B-A2(V1.0/1.1) (no longer for sale)
X58B-A2(V1.0/1.1)
(no longer for sale)help_outline
The ECS X58B-A2 motherboard is unable to boot. And the screen is black, debug code keep running.
This symptom might be caused by the RAM configuration. There is a suggestion for this question, please refer to the X58B-A2's manual (P12, P13) to install the RAM modules again.
On page 12:
Due to Intel CPU spec definition, the system will not boot if only one DIMM is installed in DDR3_1, DDR3_3, or DDR3_5. Follow the table above for recommended memory configuration.
On page 13:
For best performance and compatibility, we recommend that users give priority to the yellow DIMMs (DDR3_2/DDR3_4/DDR3_6) when installing DIMMs.

On page 12:
Due to Intel CPU spec definition, the system will not boot if only one DIMM is installed in DDR3_1, DDR3_3, or DDR3_5. Follow the table above for recommended memory configuration.
On page 13:
For best performance and compatibility, we recommend that users give priority to the yellow DIMMs (DDR3_2/DDR3_4/DDR3_6) when installing DIMMs.