Toshiba Tecra A3X - Manual (Page 16)

User’s Manual xvi
PC card overheating
Some PC cards can become hot with prolonged use. Overheating of a
PC card can result in errors or instability in the PC card operation. Also be
careful when you remove a PC card that has been used for a long time.
Mobile phone
Use of mobile phones can interfere with the audio system. Computer
operation is not impaired but it is recommended that a distance of 30 cm be
maintained between the computer and a mobile phone in use.
RTC battery
The following message is displayed on the LCD:
RTC battery is low or CMOS checksum is inconsistent.
Press [F1] key to set Date/Time.
The battery for RTC is wearing. Set the date and time in BIOS setup with
the following steps:
1. Press F1 key. BIOS setup will boot up.
2. Set the date in System Date.
3. Set the time in System Time.
4. Press End key. Confirmation message will appear.
Press Y key. BIOS setup will terminate and the computer will be rebooted.
After configuring the time and date for the Real Time Clock battery, we
recommend that you turn the power status of your computer to "ON" so
that the Real Time Clock battery is charged.