ECS B85H3-M5 User Manual page 22

3. COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a serial port to your
system.
4. SATA3_1~5: Serial ATA connectors
SATA3_1~4 connectors are used to support the Serial ATA 6.0Gb/s device, SATA3_5
connector is used to support the Serial ATA 3.0Gb/s device, simpler disk drive cabling
and easier PC assembly. It eliminates limitations of the current Parallel ATA inter-
face. But maintains register compatibility and software compatibility with Parallel
ATA.
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