Winmate IA71 User Manual page 63

LBA/Large Mode
Enabling LBA causes Logical Block Addressing to be used in place of Cylinders,
Heads and Sectors. The options: [Disabled], [Auto].
Block (Multi-Sector Transfer)
"Controls" are enabled of multi-sector transferring, if supported. The options:
[Disabled],[Auto].
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IA71 Motherboard User Manual V1.0