Panasonic CF-18 Series Reference Manual

Also see for Toughbook CF-18 Series: Precautions for Installing Precautions for Installing Operating instructions Supplementary instructions Supplementary instructions

119Dealing with Problems (Advanced)USB floppy disk drives do not work asa boot drivez Only the Panasonic CF-VFDU03 USB floppy disk drive (optional) can be used.z Do not connect the floppy disk drive to the USB hub or the USB connector ofthe port replicator for this computer.z Make sure [Legacy USB Support] is set to [Enable] in the [Advanced] menu ofthe Setup Utility.z If two or more devices are displayed at [Floppy Drive] in the [Boot] menu of theSetup Utility, make sure the USB floppy disk drive is at the top of the [Boot]menu (Î page 96)z After powering off the computer, connect the USB floppy disk drive and restartthe computer.You do not know the available RAMmoduleÎ page 63Cannot tell whether the RAM modulehas been correctly installedz If the RAM module is recognized correctly, the total size of the main unitmemory and RAM module memory is displayed on the [Information] menu ofthe Setup Utility (Î page 90).If the RAM module is not recognized, turn the computer off and reinsert theRAM module.The RAM module has not beenrecognizedz Make sure the RAM module has been properly inserted.z Use the RAM module that supports the recommended specifications (Î page63).The address map for IRQ, I/O portaddress, etc. is unclearz The current address map can be displayed with the following procedure.[start] - [Control Panel] - [Performance and Maintenance] - [System] -[Hardware] - [Device Manager] - [View] - [Resources by type].The device connected to the serialport does not workz Check the connection.z Confirm that the device driver for the serial port works. Refer to the operatinginstructions of the device. Confirm that two mouse devices are not connected,one through the external keyboard/mouse port of the port replicator and theother through the serial port.z Try setting [Touch Pad] and [Touchscreen] to [Disable] in the Setup Utility.z Confirm that [Serial Port A] (or [Serial Port B]) has not been set to [Disable].z Depending on the device, the operable I/O and IRQ may be limited. Trydifferent I/O and IRQ settings in the Setup Utility. Connecting Peripherals