Rosewill RC-209 User Manual page 9

SATA 4 Port PCI Adaptor with RAID RC209 User Manual
Auto configuration (recommended)
The default chunk size is 64k when selecting Auto configuration.
. As the BIOS boots press Ctrl+S or F4 when prompted to enter the RAID BIOS.
2. At the next screen select Create RAID Set, then press Enter.
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