Acer Veriton 5800 Veriton 5800/6800/7800 Service Guide (MSI MB) - Page 94

16 1 3 2 6 5 4 BATT + 14 7 15 8 9 10 12 11 1317 Clear CMOS Jumper (No.15) Jumper Symbol Description 321 1-2 closed 3- pin 2-3 closed Function Normal (Default) Clear CMOS M/B onboard connectors No. Connector Marking Description 1 JPW1(12V) CPU power connector 2 ATX1(Power Connector) M/B main power connector 3 CPU_F2 CPU fan power connector 4 SYS_F1 System fan connector 5 FDD1 FDD data transfer channel 6 IDE1 Parallel ATA IDE channel 7 SATA1-SATA4 SATA HDD data transfer connectors 8 F_PANEL1 Front panel connector 9 JAUD1 Front panel audio connector 10 JCD1 CD-IN audio connector 11 JUSB1-JUSB2 Front panel USB connectors 12 COM2 Serial port connector 13 JOBR Recovery pin 14 BAT Battery 15 JBAT1(Clear CMOS) Clear CMOS jumper 16 BIOS_WP BIOS write protect 17 JCO Case open pin ATX 24-Pin Power Connector:ATX1 This connector allows you to connect an ATX 24-pin power supply. To connect the ATX 24-pin power supply, make sure the plug of the power supply is inserted in the proper orientation and the pins are aligned. Then push down the power supply firmly into the connector.You may use the 20-pin ATX power supply as you like if you'd like to use the 20-pin ATX power supply, please plug your power supply along with pin 1& pin 13(refer to the image below). There is also a foolproof design on pin 11, 12, 23 & 24 to avoid wrong installation. 92 Chapter 5