Intel DZ68ZV Product Guide for Intel Desktop Board DZ68ZV - Page 29

Diagnostic LEDs, Table 5. Diagnostic LEDs

Get Intel DZ68ZV PDF manuals and user guides View all Intel DZ68ZV manuals
Add to My Manuals
Save this manual to your list of manuals

Page 29 highlights

Desktop Board Features Diagnostic LEDs The Desktop Board provides eight LEDs that allow you to monitor the board's progress through the BIOS Power-on Self-Test (see Figure 6). At initial power on, all the LEDs are off. When the BIOS starts an activity such as memory initialization, the corresponding LED starts flashing. Once the activity has completed, the LED will remain on. Table 5. Diagnostic LEDs Item/Callout in Figure 6 A Activity Watch Dog Timer Fire/ Back to BIOS LED Color Red B Processor Initialization Green C Memory Initialization Green D Video Initialization Green E USB Initialization Green F Hard Drive Initialization Green G Option ROM Initialization Green H OS Start Green Description When the watch dog timer fires to reset the board, this LED will flash. In addition, this LED will light and stay on when the Back to BIOS button has been pressed. This LED will flash when the processor initialization activity starts. Then the LED will stay on when processor initialization is complete. This LED will flash when the memory initialization activity starts. Then the LED will stay on when memory initialization is complete. This LED will flash when the video initialization activity starts. Then the LED will stay on when video initialization is complete. This LED will flash when the USB initialization activity starts. Then the LED will stay on when USB initialization is complete. This LED will flash when the hard drive activity starts. Then the LED will stay on when hard drive initialization is complete. This LED will flash when the option ROM activity starts. Then the LED will stay on when option ROM initialization is complete. Just before BIOS transfers control to the operating system, this LED will light and stay on. 29

  • 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
  • 89
  • 90
  • 91
  • 92
Desktop Board Features
29
Diagnostic LEDs
The Desktop Board provides eight LEDs that allow you to monitor the board’s progress
through the BIOS Power-on Self-Test (see Figure 6).
At initial power on, all the LEDs
are off. When the BIOS starts an activity such as memory initialization, the
corresponding LED starts flashing.
Once the activity has completed, the LED will
remain on.
Table 5. Diagnostic LEDs
Item/Callout
in Figure 6
Activity
LED
Color
Description
A
Watch Dog Timer Fire/
Back to BIOS
Red
When the watch dog timer fires to reset
the board, this LED will flash.
In addition, this LED will light and stay
on when the Back to BIOS button has
been pressed.
B
Processor Initialization
Green
This LED will flash when the processor
initialization activity starts.
Then the
LED will stay on when processor
initialization is complete.
C
Memory Initialization
Green
This LED will flash when the memory
initialization activity starts.
Then the
LED will stay on when memory
initialization is complete.
D
Video Initialization
Green
This LED will flash when the video
initialization activity starts.
Then the
LED will stay on when video
initialization is complete.
E
USB Initialization
Green
This LED will flash when the USB
initialization activity starts.
Then the
LED will stay on when USB initialization
is complete.
F
Hard Drive Initialization
Green
This LED will flash when the hard drive
activity starts.
Then the LED will stay
on when hard drive initialization is
complete.
G
Option ROM Initialization
Green
This LED will flash when the option ROM
activity starts.
Then the LED will stay
on when option ROM initialization is
complete.
H
OS Start
Green
Just before BIOS transfers control to
the operating system, this LED will light
and stay on.