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A7V333 ® A7V333 Clear RTC RAM CLR_RTC Short solder points to Clear CMOS Chapter 2: Hardware information 2.8 Connectors This section describes and illustrates the internal connectors on the motherboard. WARNING! Some pins are used for connectors or power sources. These are clearly distinguished from jumpers in the Motherboard Layout. Placing jumper caps over these connector pins will cause damage to your motherboard. IMPORTANT! Ribbon cables should always be connected with the red stripe to Pin 1 in the connector scoket. 1) PS/2 Mouse Port (Green 6-pin PS2KBMS) The system automatically directs IRQ12 to the PS/2 mouse if one is detected. If no mouse is detected, IRQ12 become available to expansion cards. See PS/2 Mouse Function Control in 4.4 Advanced Menu. PS/2 Mouse (6-pin Female) 2) PS/2 Keyboard Port (Purple 6-pin PS2KBMS) This connection is for a standard keyboard using an PS/2 plug (mini DIN). This connector does not allow standard AT size (large DIN) keyboard plugs. You may use a DIN to mini DIN adapter on standard AT keyboards. PS/2 Keyboard (6-pin Female) ASUS A7V333 motherboard user guide 30 Chapter 2: Hardware information 3) Universal Serial Bus Ports 0, 1, 2 & 3 (Black two 4-pin USB) Four USB ports are available for connecting USB devices. 5) Serial Ports (Teal/Turquoise 9-pin COM1 / 9-pin COM2) Two serial ports can be used for pointing devices or other serial devices. To enable these ports, see Onboard Serial Port 1 / Onboard Serial Port 2 in 4.4.2 I/O Device Configuration for the settings. 4) Parallel Port (Burgundy 25-pin PRINTER) You can enable the parallel port and choose the IRQ through Onboard Parallel Port (see 4.4.2 I/O Device Configuration). USB 1 (Universal Serial Bus “1.1”) USB 0 USB 1 USB 2 (Universal Serial Bus “2.0”) COM2 COM1 Serial Ports (9-pin Male) Parallel Port (25-pin Female) NOTE! Serial printers must be connected to the serial port. 6) Audio Connectors (Three 1/8” AUDIO) (optional) The Line Out (lime) connects a headphone or speakers. The Line In (light blue) connects a tape players or other audio sources. The Mic (pink) connects a microphone. NOTE! The functions of the audio connectors Line Out, Line In, and Mic change when the 6-channel audio feature is enabled. Refer to Chapter 5. SOFTWARE SETUP. Audio Connectors In Mic Out ASUS A7V333 motherboard user guide 7) IDE Activity LED (2-pin IDELED) This connector supplies power to the cabinet’s IDE activity LED. Read and write activity by devices connected to the Primary or Secondary IDE connectors cause the IDE LED to light up. A7V333 ® A7V333 IDE Activity LED TIP: If the case-mounted LED does not light, try reversing the 2-pin plug. IDELED 8) Floppy Disk Drive Connector (34-1 pin FLOPPY) This connector supports the provided floppy drive ribbon cable. After connecting the single end to the board, connect the two plugs on the other end to the floppy drives. (Pin 5 is removed to prevent inserting in the wrong orientation when using ribbon cables with pin 5 plugged). A7V333 ® NOTE: Orient the red markings on the floppy ribbon cable to PIN 1. PIN 1 FLOPPY A7V333 Floppy Disk Drive Connector Chapter 2: Hardware information 9) Primary (Blue) / Secondary (Black) IDE Connectors (40-1 pin PRIMARY IDE and SECONDARY IDE) (40-1 pin PROMISE IDE1 and PROMISE2 IDE) The Primary and Secondary IDE connectors support the IDE hard disk ribbon cables supplied with the motherboard. Connect the cable’s blue connector to the motherboard’s primary IDE connector (recommended) or the secondary IDE connector. Connect the opposite end of the cable to your UltraDMA133/ 100/66 device (hard disk drive). If a second hard disk drive is connected, you may reset its jumper to Slave or Master/Slave mode. Non-UltraDMA133/ 100/66 devices should be connected to the secondary IDE connector. BIOS supports specific device bootup (see 4.6 Boot Menu.) UltraDMA/133 is backward compatible with DMA100/66/33 and with all with existing DMA devices and systems. ~ The A7V333 motherboard is supplied with two extra onboard IDE connectors: one Promise IDE1 and one Promise IDE2. Use them to setup the RAID 0 or 1 arrays and to support extra ATAPI devices. A total of eight hard-disks, two on each IDE connector, can be connected to the A7V333; but, only two can function in a RAID array. See 5.4 Software Setup for more information about setting up a RAID array. NOTE! For high-performance and RAID 0 or 1 set ups, always setup two hard disks with two separate ribbon cables, one for the primary IDE connector and another for the secondary IDE connector. Usually, both disks must be set to the Master settings. Also, you may install one operating system on an IDE drive and another on a SCSI drive and select the boot disk through BIOS. (See 4.6 Boot Menu.) Do not connect any other types of IDE devices to the Promise IDE connectors; they support hard disk drive devices only. IMPORTANT! UltraDMA100 and UltraDMA133 IDE devices require a 40-pin 80-conductor cable and RAID arrays only operate with s...

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