Intel D845PT Intel Desktop Board D845PT/D845BG Product Guide - Page 19

RJ-45 LAN Connector LEDs, Speaker, Battery, Power Management Features, ACPI - ram

Get Intel D845PT PDF manuals and user guides View all Intel D845PT manuals
Add to My Manuals
Save this manual to your list of manuals

Page 19 highlights

Desktop Board Features RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector. Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3. RJ-45 LAN Connector LEDs LED Color Green Yellow LED State Off On Off On (steady state) On (brighter and pulsing) Indicates 10 Mbit/sec data rate is selected. 100 Mbit/sec data rate is selected. LAN link is not established. LAN link is established. The computer is communicating with another computer on the LAN. Speaker A 47 Ω inductive 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 board keeps the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 starting on page 23 for instructions on how to replace the battery. Power Management Features • Advanced Configuration and Power Interface (ACPI) • Hardware:  Power connectors  Fan connectors  Resume on Ring  Instantly Available PC technology  Wake from USB  Wake from PS/2 keyboard/mouse  PME# wakeup support ACPI ACPI gives the operating system direct control over the power management and Plug & Play functions of a computer. The use of ACPI with the D845PT or D845BG board requires an operating system that provides full ACPI support. 19

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
Desktop Board Features
19
RJ-45 LAN Connector LEDs
Two LEDs are built into the RJ-45 LAN connector.
Table 3 describes the LED states when the
board is powered up and the LAN subsystem is operating.
Table 3.
RJ-45 LAN Connector LEDs
LED Color
LED State
Indicates
Off
10 Mbit/sec data rate is selected.
Green
On
100 Mbit/sec data rate is selected.
Off
LAN link is not established.
On (steady state)
LAN link is established.
Yellow
On (brighter and pulsing)
The computer is communicating with another computer on the
LAN.
Speaker
A 47
Ω
inductive 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 board keeps the values in CMOS RAM and the clock current when the computer
is turned off.
See Chapter 2 starting on page 23 for instructions on how to replace the battery.
Power Management Features
•
Advanced Configuration and Power Interface (ACPI)
•
Hardware:
Power connectors
Fan connectors
Resume on Ring
Instantly Available PC technology
Wake from USB
Wake from PS/2 keyboard/mouse
PME# wakeup support
ACPI
ACPI gives the operating system direct control over the power management and Plug & Play
functions of a computer.
The use of ACPI with the D845PT or D845BG board requires an
operating system that provides full ACPI support.