Intel D845GLLY D845GL_Boards_TechProdSpec - Page 36

V Standby Power Indicator LED

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Technical Product Specification for Intel Desktop Boards using the Intel 845GL Chipset 1.12.2.5 +5 V Standby Power Indicator LED The +5 V standby power indicator LED15 shows that power is still present even when the computer appears to be off. CAUTION If AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices. 1.12.2.6 Resume on Ring The operation of Resume on Ring can be summarized as follows: • Resumes operation from ACPI S1 or S3 states • Detects incoming call similarly for external and internal modems • Requires modem interrupt be unmasked for correct operation 1.12.2.7 Wake from USB USB bus activity wakes the computer from ACPI S1 or S3 states. ✏ NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB. 1.12.2.8 Wake from PS/2 Devices PS/2 device activity wakes the computer from ACPI S1 or S3 states. 1.12.2.9 PME# Signal Wake-up Support When the PME# signal on the PCI bus is asserted, the computer wakes from ACPI S1, S3, S4, or S5 states (with Wake on PME enabled in BIOS). 15 The location of the standby power indicator LED is product dependent. For information, refer to the Product Supplement Document for your Desktop Board. 36

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Technical Product Specification for Intel Desktop Boards using the Intel 845GL Chipset
36
1.12.2.5
+5 V Standby Power Indicator LED
The +5 V standby power indicator LED
15
shows that power is still present even when the computer
appears to be off.
CAUTION
If AC power has been switched off and the standby power indicator is still lit, disconnect the power
cord before installing or removing any devices connected to the board.
Failure to do so could
damage the board and any attached devices.
1.12.2.6
Resume on Ring
The operation of Resume on Ring can be summarized as follows:
•
Resumes operation from ACPI S1 or S3 states
•
Detects incoming call similarly for external and internal modems
•
Requires modem interrupt be unmasked for correct operation
1.12.2.7
Wake from USB
USB bus activity wakes the computer from ACPI S1 or S3 states.
✏
NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB.
1.12.2.8
Wake from PS/2 Devices
PS/2 device activity wakes the computer from ACPI S1 or S3 states.
1.12.2.9
PME# Signal Wake-up Support
When the PME# signal on the PCI bus is asserted, the computer wakes from ACPI S1, S3, S4, or
S5 states (with Wake on PME enabled in BIOS).
15
The location of the standby power indicator LED is product dependent.
For information, refer to the
Product Supplement Document for your Desktop Board.