ASROCK Pro Series User Manual page 69

RTL (B2 Rank1)
Configure round trip latency.
RTL (B2 Rank2)
Configure round trip latency.
IOL Init Value
Configure IO latency init value for IO latency training.
IOL (A1 Rank1)
Configure IO latency.
IOL (A1 Rank2)
Configure IO latency.
IOL (A2 Rank1)
Configure IO latency.
IOL (A2 Rank2)
Configure IO latency.
IOL (B1 Rank1)
Configure IO latency.
IOL (B1 Rank2)
Configure IO latency.
IOL (B2 Rank1)
Configure IO latency.
IOL (B2 Rank2)
Configure IO latency.
IOL Offset (CH A)
Configure IO latency offset for channel A.
IOL Offset (CH B)
Configure IO latency offset for channel B.
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