IBM 867282X Installation Guide - Page 40

Table 3. Troubleshooting charts. Device Suggested action Serial port The number of serial ports identified by the operating system is less than the number of serial ports installed. Verify that: 1. Each port is assigned a unique address by the Configuration/Setup Utility program and none of the serial ports are disabled. 2. The serial-port adapter, if you installed one, is seated properly. If the problem remains, call for service. A serial device does not work. Verify that: 1. The device is compatible with the server. 2. The serial port is enabled and is assigned a unique address. Software Suspected software problem. If the problem remains, call for service. To determine if problems are caused by the software, verify that: 1. Your system has the minimum memory requirements needed to use the software. For memory requirements, refer to the information that comes with the software. Note: If you have just installed an adapter or memory, you might have a memory address conflict. 2. The software is designed to operate on your system. 3. Other software works on your system. 4. The software that you are trying to use works on another system. If you received any error messages when using the software program, refer to the information that comes with the software for a description of the messages and solutions to the problem. Universal Serial Bus (USB) ports A USB device does not work. If the items above are correct and the problem remains, contact your place of purchase. Verify that: 1. You are not trying to use a USB device during POST, if you have a standard (nonUSB) keyboard attached to the keyboard port. Note: If a standard (non-USB) keyboard is attached to the keyboard port, then the USB is disabled and the USB device might not work during POST. 2. The correct USB device driver is installed. 3. Your operating system supports USB devices. If the problem remains, call for service. 28 xSeries 300: Installation Guide