ASROCK H310D4-P1 User Manual page 12

No. Description
1 Clear CMOS Jumper (CLRMOS1)
2 2 x 260-pin DDR4 SO-DIMM Slots (DDR4_A1, DDR4_B1)
3 CPU Fan Connector (CPU_FAN1)
4 2.5W Mono Out Speaker Header (MONO1)
5 SATA3 Connector (SATA0)
6 ROM Recovery Header (ROM_R)
7 Chassis Intrusion Header (CI1)
8 COM Port Header (COM1)
H310D4-P1
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