In this case you should buy a CR2032 holder, a CR2032 lithium battery and a diode. You can replace it with either an original part, or alternatively, you can replace it with a 3.0V CR2032 coin cell battery. The correct voltage for the battery is 3.6V. Q: How do I replace the computer BIOS battery? A: The BIOS battery is located on the system board. You can still use your computer by going into BIOS settings and accepting the defaults (see above). When the battery runs out, the information will be lost. The battery holds volatile information in a CMOS chip like information about your BIOS settings and system time. Q: My computer does not hold settings or time A: You probably have an empty BIOS battery. Please refer to How do I boot my T3200SX with an empty CMOS battery The computer will ask the user to review the default settings. Wait for a few minutes and power up the computer again. To force this behavior, disconnect the clock battery entirely. This may be used to your advantage to get into BIOS. A: When the computer BIOS battery runs empty, it will clear all BIOS settings and will prompt you to review the system settings on power-up. See below for files that apply to this type of machine, or view all files at the files and resources section. You might want to include this utility in your computer recovery disk. If this does not work, you may use the TEST3.EXE utility, a little program by Toshiba which will open up the BIOS settings from a DOS environment. Q: How can I access the built-in BIOS ? A: Press CTRL + SHIFT + F10 when the computer powers on. Please refer to instructions here: How do I boot my T3200SX with an empty CMOS battery Invalid configuration information - please run SETUP program Q: My computer gives me a configuration error when I turn it on A: If the CMOS battery is empty, you will be prompted with the following error when you power on the machine. Unless you have the Toshiba external floppy – always set this to PRN. Setting it to A would allow you to boot 360Kb boot disks. Setting it to B tells the machine there is an external disk drive and you want it to be B drive. Setting the switch to PRN enables the printer port, setting it to A tells the machine there is an external disk drive and you want it to be A drive. This plugs in to the parallel port connector but is not a parallel device. Q: What is the PRN-A-B Switch on the side? A: Toshiba offered an external 360Kb disk drive as an option.
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