IBM xSeries 342 2RX Maintenance Manual

Contents

2. When the message Press F1 for Configuration/Setup appears, press F1.3. From the main menu, select Devices and I/O Ports; then, press Enter.Note: The Device and I/O Ports choice appears only on the full configurationmenu. If you set two levels of passwords, you must enter theadministrator password to access the full configuration menu.4. Select the serial port; then, use the arrow keys to advance through the settingsavailable.5. Select Save Settings; then, select Exit Setup to exit from theConfiguration/Setup Utility main menu.Serial-port connectorsThe following table shows the pin-number assignments for the 9-pin, male D-shellserial-port connectors on the rear of your server. These pin-number assignmentsconform to the industry standard.1 56 9Table 8. Serial-port connectors pin-number assignmentsPin Signal Pin Signal1 Data carrier detect 6 Data set ready2 Receive data 7 Request to send3 Transmit data 8 Clear to send4 Data terminal ready 9 Ring indicator5 Signal groundUniversal Serial Bus portsYour server has two Universal Serial Bus (USB) ports, which configureautomatically. USB is an emerging serial interface standard for telephony andmultimedia devices. It uses Plug and Play technology to determine the type ofdevice attached to the connector.Notes:1. If you attach a standard (non-USB) keyboard to the keyboard connector, theUSB ports and devices will be disabled during the power-on self-test (POST).2. If you install a USB keyboard that has a mouse port, the USB keyboardemulates a mouse and you will not be able to disable the mouse settings in theConfiguration/Setup Utility program.USB cables and hubsYou need a 4-pin cable to connect devices to USB 1 or USB 2. If you plan to attachmore than two USB devices, you must use a hub to connect the devices. The hubprovides multiple connectors for attaching additional external USB devices.USB technology provides 12 megabits-per-second (Mbps) speed with a maximumof 127 external devices and a maximum signal distance of five meters (16 ft.) persegment.68 Hardware Maintenance Manual: xSeries 342 Model 1RX, 2RX, 1TG, 2TG