UP-X500 (serv.man15). Procedure for updating Bios to Version C to cope with a system reset error - Sharp EPOS Technical Bulletin (repair manual). Page 3

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6)  Ensure your Floppy disk is inserted into the drive.  If the disk is not formatted click
on the format button to format the disk.
7)  Once formatted, select “Save Image to Diskette” from the Image menu.  This will
now copy the diskimage.img file onto the floppy disk ready for installing onto the
X300/X500.
7)  To install onto X500 simply turn off X500 and plug Usb Floppy into Usb port.
Power on the X500 and upgrade will be performed automatically.
8)  When, “Press any key” is shown on the screen, unplug the Usb Floppy drive
and and press a key on your keyboard. The machine will now reboot (If not,
power off and then on again).
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