6. SYSTEM MOTHERBOARD & I/O BOARD........ 6-75
6.1. APOLLO III MOTHERBOARD..........................6-76
6.1.1. General Information .............................6-76
6.1.2. Specifications.......................................6-77
6.1.3. Locating Jumpers & Connectors..............6-79
6.1.4. Jumpers & Jumper Setting.....................6-80
6.1.4.1. DOC 2000 Address Setting (JP1).......6-81
6.1.4.2. Clear CMOS (JP2) ...........................6-81
6.1.4.3. 232/485 Setting (JP5,6,7,8,9 & 10) ..6-81
6.1.5. Connectors & Pin Assignment.................6-82
6.1.5.1. PWR3: ATX Power connector ............6-83
6.1.5.2. J2: CD Audio IN.............................6-84
6.1.5.3. J7: HDD LED & ACPI LED & SMI........6-84
6.1.5.4. J8: IR / CIR Connector ....................6-84
6.1.5.5. J9: Power LED & KB ........................6-85
6.1.5.6. SW1: ATX Power ON/OFF & Reset .....6-85
6.1.5.7. COM3............................................6-85
6.1.5.8. LCD1: LCD Connector......................6-86
6.1.5.9. INV1: LCD Inverter Connector.........6-87
6.1.5.10. FDD1: FDD connector.....................6-87
6.1.5.11. IDE1/IDE2: Primary/Secondary HDD.6-88
6.1.5.12. SCSI 1: PRT Port/Serial Port/DIO Port6-89
6.1.5.13. SCSI 2: KB/MS/VGA/LAN USB/FDD...6-90
6.1.5.14. CN4: PCI/ISA Expansion Slot............6-91
6.2. APOLLO III I/O BOARD ..............................6-94
6.2.1. Locating Jumpers & Connectors..............6-94
6.2.2. Jumpers & Jumper Setting.....................6-95
6.2.2.1. JP1: Keyboard Power Select ............6-95
6.2.2.2. COM port Power Selection................6-95
6.2.3. Connectors & Pin Assignment.................6-96
6.2.3.1. KB1: PS/2 Keyboard Connector ........6-97
6.2.3.2. KBMS: PS/2 Mouse .........................6-97
6.2.3.3. COM1, COM2, COM4: DB-9 .............6-97
6.2.3.4. CN1: DC Power Output...................6-98
6.2.3.5. LPT1: D-SUB-25 Parallel Port............6-98
6.2.3.6. CRT1: VGA (D-SUB 15 Pin) ..............6-98
6.2.3.7. FDD1: External FDD Connector.......6-99
6.2.3.8. J11: USB 1 , USB2 Connector.........6-99