请将下图所圈出来的「八」个螺丝孔位对准主机机箱内相对位置的螺丝孔，然后再一一锁上螺丝固定主板。

    请勿将螺丝锁得太紧！否则容易导致主板的印刷电路板生成龟裂。

   

    主板的各项元件

    跳线

    1. clear rtc ram (clrtc1)

    2. lan bandwidth setting (3-pin lan_bw1)

    3. usb device wake-up (3-pin usbpw12, usbpw34)

    4. keyboard power (3-pin kbpwr1)

    5. vga controller setting (3-pin vga_en1)

    6. onboard storage setting (3-pin sas_en1)

    7. force bios recovery setting (3-pin recovery1)

    开关

    1. dip switch (dip_sw1)

    内部插座/接针

    1. floppy disk drive connector (34-1 pin floppy1)

    2. ide connector (40-1 pin pri_ide)

    3. serial ata connectors(7-pin sata1, sata2, sata3, sata4, sata5, sata6)

    4. hard disk activity led connector (4-pin hdled1)

    5. mini-sas connectors

    6. usb connector (10-1 pin usb34)

    7. serial port connector (10-1 pin com2)

    8. cpu and system fan connectors(4-pin cpu_fan1/2, rear_fan1/2, frnt_fan1/2/3/4, fbd_fan1/2)

    9. power supply smbus connector (5-pin psusmb1)

    10. ssi power connectors(24-pin atxpwr1, 8-pin atx12v1, 4-pin atx12v2)

    11. parallel port connector (26-1 pin lpt1)

    12. backplane smbus connector (7-1 pin bpsmb1)

    13. sas lsi1068 ports led connector (18-1 pin sasled1)

    14. serial general purpose input/output connector (6-1 pinsgpio1)

    15. system panel connector (20-1 pin panel1)

    16. system panel auxiliary connector (20-2 pin aux_panel1)

    17. trusted platform module connector (20-1 pin tpm1)

    18. lpc connector for lpc debug card (14-1 pin lpc1)