I'm hoping someone can help before I have to RMA my GA-Z77X-UP5-TH...
The board will not POST or allow access to BIOS (error 51) with memory installed in dual channel config (DDR3_1 + DDR3_2 or DDR3_3 + DDR3_4 populated). It will only boot to BIOS and POST with DDR3_1 or DDR3_1 + DDR3_3 populated. I've tried various memory modules with no success:
Corsair Dominator Platinum CMD16GX3M2A2400C10
Crucial Ballistix Sport BLS2CP4G3D1609DS1S00C
Kingston HyperX T1 KH24C11T1K2/8X
I've also tried BIOS F11, F12e, F12g and F13a with no success yet all the above memory has been installed in a GA-B75M-D3H and boots correctly in dual channel mode. Gigabyte support have asked me to RMA the board after I tried unsuccessfully to reset CMOS and load optimised defaults - but I'd really like to avoid that if possible.
Below is a capture from the BIOS - note there is 1 stick in DDR3_1 and 1 stick in DDR3_3 but only Channel B is showing timing information?
The board will not POST or allow access to BIOS (error 51) with memory installed in dual channel config (DDR3_1 + DDR3_2 or DDR3_3 + DDR3_4 populated). It will only boot to BIOS and POST with DDR3_1 or DDR3_1 + DDR3_3 populated. I've tried various memory modules with no success:
Corsair Dominator Platinum CMD16GX3M2A2400C10
Crucial Ballistix Sport BLS2CP4G3D1609DS1S00C
Kingston HyperX T1 KH24C11T1K2/8X
I've also tried BIOS F11, F12e, F12g and F13a with no success yet all the above memory has been installed in a GA-B75M-D3H and boots correctly in dual channel mode. Gigabyte support have asked me to RMA the board after I tried unsuccessfully to reset CMOS and load optimised defaults - but I'd really like to avoid that if possible.
Below is a capture from the BIOS - note there is 1 stick in DDR3_1 and 1 stick in DDR3_3 but only Channel B is showing timing information?
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