ASRock B75M-ITX User Manual - Page 27
Onboard Headers and Connectors
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2.10 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard! Serial ATA2 Connectors (SATA_1: see p.13, No. 2) (SATA_2: see p.13, No. 4) (SATA_3: see p.13, No. 5) SATA_2 SATA_1 SATA_3 These three Serial ATA2 (SATA2) connectors support SATA data cables for internal storage devices. The current SATA2 interface allows up to 3.0 Gb/s data transfer rate. Serial ATA3 Connector (SATA_0: see p.13, No. 3) SATA_0 This Serial ATA3 (SATA3) connector supports SATA data cables for internal storage devices. The current SATA3 interface allows up to 6.0 Gb/s data transfer rate. Serial ATA (SATA) Data Cable (Optional) USB 2.0 Headers (9-pin USB4_5) (see p.13, No. 7) Either end of the SATA data cable can be connected to the SATA / SATA2 / SATA3 hard disk or the SATA2 / SATA3 connector on this motherboard. Besides four default USB 2.0 ports on the I/O panel, there is one USB 2.0 header on this motherboard. This USB 2.0 header can support two USB 2.0 ports. 27