ASRock H55M-GE R2.0 User Manual - Page 21

If you clear the CMOS, the case open may be detected. Please adjust the BIOS option "Clear Status" to clear the record of previous chassis intrusion status. 2.8 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 ATAII Connectors (SATAII_1: see p.11, No. 15) (SATAII_2: see p.11, No. 14) (SATAII_3: see p.11, No. 12) (SATAII_4: see p.11, No. 16) (SATAII_5: see p.11, No. 17) (SATAII_6: see p.11, No. 19) SATAII_6 SATAII_3 SATAII_5 SATAII_2 SATAII_4 SATAII_1 These six Serial ATAII (SATAII) connectors support SATA data cables for internal storage devices. The current SATAII interface allows up to 3.0 Gb/s data transfer rate. Serial ATA (SATA) Data Cable (Optional) USB 2.0 Headers (9-pin USB10_11) (see p.11 No. 25) (9-pin USB8_9) (see p.11 No. 24) (9-pin USB6_7) (see p.11 No. 22) USB_PWR P-11 P+11 GND DUMMY 1 GND P+10 P-10 USB_PWR USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR USB_PWR P-7 P+7 GND DUMMY 1 GND P+6 P-6 USB_PWR Either end of the SATA data cable can be connected to the SATA / SATAII hard disk or the SATAII connector on this motherboard. Besides six default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. 21