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Installing and Replacing Desktop Board Components
43
Replacing the Battery
A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer
is not plugged into a wall socket, the battery has an estimated life of three years. When the
computer is plugged in, the standby current from the power supply extends the life of the battery.
The clock is accurate to ± 13 minutes/year at 25 ºC with 3.3 VSB applied.
• Figure 23 on page 45 for the D815EEA2 and D815EPEA2 boards
• Figure 24 on page 46 for the D815EFV and D815EPFV boards
When the voltage drops below a certain level, the BIOS Setup program settings stored in CMOS
RAM (for example, the date and time) might not be accurate. Replace the battery with an
equivalent one.
CAUTION
Refer to technically qualified persons only for replacement of battery.
CAUTION
Risk of explosion if the battery is replaced with an incorrect type. Batteries should be recycled
where possible. Disposal of used batteries must be in accordance with local environmental
regulations.
PRÉCAUTION
Risque d'explosion si la pile usagée est remplacée par une pile de type incorrect. Les piles
usagées doivent être recyclées dans la mesure du possible. La mise au rebut des piles usagées doit
respecter les réglementations locales en vigueur en matière de protection de l'environnement.
(French)
FORHOLDSREGEL
Eksplosionsfare, hvis batteriet erstattes med et batteri af en forkert type. Batterier bør om muligt
genbruges. Bortskaffelse af brugte batterier bør foregå i overensstemmelse med gældende
miljølovgivning.
(Danish)
OBS!
Det kan oppstå eksplosjonsfare hvis batteriet skiftes ut med feil type. Batterier bør sendes til
gjenvinning hvis det er mulig. Brukte batterier bør kastes i henhold til gjeldende miljølovgivning.
(Norwegian)
VIKTIGT!
Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier bör om möjligt
återvinnas. Batterier ska kasseras enligt de lokala miljövårdsbestämmelserna.
(Swedish)