Intel D845GRG Intel Desktop Boards D845RG/D845BV Product Guide English - Page 20
Wake from PS/2 Keyboard/Mouse, PME# Wakeup Support, Speaker, Battery, Real-Time Clock - beep codes
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Intel Desktop Boards D845GRG and D845GBV Product Guide Wake from PS/2 Keyboard/Mouse PS/2 keyboard/mouse activity wakes the computer from an ACPI S1 or S3 state. PME# Wakeup Support When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S1, S3, or S5 state. Speaker A speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST). Battery A battery on the Intel desktop board keeps the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 starting on page 21 for instructions on how to replace the battery. Real-Time Clock Desktop Boards D845GRG and D845GBV have a time-of-day clock and 100-year calendar. A battery on the desktop board keeps the clock current when the computer is turned off. 20