Not sure how to install the ATX power connection.
Not sure how to install the ATX power connection.
I have an Intel i9-9900k chipset, a Maximus XI Hero board, and an EVGA 750 GQ power supply. I connected the 24-pin EATXPWR cable from my PSU to the motherboard. The MOBO lists both an EATX12V_1 (8-pin) and an EATX12V_2 (4-pin) socket. Do I also need cables for these from the PSU? My PSU didn’t come with compatible connectors, but I saw advice suggesting compatibility for overclocking. Any suggestions?
According to what I understand, you only require an 8-pin connector. Adding a 4-pin is typically unnecessary.
It seems unclear why your power supply isn't providing the expected cables despite compatibility listings online. The issue might be with the specific model or configuration of your PSU, or there could be a mismatch in pin configurations. Mainstream PSUs often omit certain connectors for simplicity or cost reasons.
Observe the two wires labeled CPU. These are the ones required: Source: https://www.evga.com/products/product.as...GQ-0750-V1
You mentioned missing the 8-pin EPS cable with the PSU. That seems unlikely, but if it did occur, reach out to EVGA—they’ll provide the cable—or initiate a return or replacement. On the image, the EPS wires are labeled "CPU."
Both of your CPU cables and the MOBO connectors are designed for female connections, so they should fit together without issues.
It wouldn't begin with only the 24-pin cable; adding an extra 4-pin (later an 8-pin) became the norm over fifteen years ago. Verify the cables included with the PSU—they should match. Even though both connectors appear female, the mainboard connector is male.
Examine the 4/8pin socket on the motherboard carefully. Notice the pins on the male side. Then inspect the PSU connector closely—it has hollow pins on the female side.