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Intel® Server Board SE7501WV2 TPS Server Management
Revision 1.0
Intel reference number C25653-001
69
Diagnostic LED
Decoder
G=Green, R=Red,
A=Amber
Hi Low
Description
68h G R R Off Activate ADM: The display mode is set. Displaying the power-on message next.
6Ah G R A Off Initialize language module. Display splash logo.
6Ch G A R Off
Display Sign on message, BIOS ID and processor information.
6Eh G A A Off Detect USB devices
70h Off R R R Reset IDE Controllers
72h Off R A R Displaying bus initialization error messages.
74h Off A R R
Display Setup Message: The new cursor position has been read and saved.
Displaying the Hit Setup message next.
76h Off A A R Ensure Timer Keyboard Interrupts are on.
78h G R R R Extended background memory test start
7Ah G R A R Disable parity and NMI reporting.
7Ch G A R R
Test 8237 DMA Controller: The DMA page register test passed. Performing the
DMA Controller 1 base register test next
7Eh G A A R
Init 8237 DMA Controller: The DMA controller 2 base register test passed.
Programming DMA controllers 1 and 2 next.
80h R Off Off Off
Enable Mouse and Keyboard: The keyboard test has started. Clearing the
output buffer and checking for stuck keys. Issuing the keyboard reset command
next
82h R Off G Off
Keyboard Interface Test: A keyboard reset error or stuck key was found. Issuing
the keyboard controller interface test command next.
84h R G Off Off
Check Stuck Key Enable Keyboard: The keyboard controller interface test
completed. Writing the command byte and initializing the circular buffer next.
86h R G G Off
Disable parity NMI: The command byte was written and global data initialization
has completed. Checking for a locked key next
88h A Off Off Off Display USB devices
8Ah A Off G Off
Verify RAM Size: Checking for a memory size mismatch with CMOS RAM data
next
8Ch A G Off Off Lock out PS/2 keyboard/mouse if unattended start is enabled.
8Eh A G G Off
Init Boot Devices: The adapter ROM had control and has now returned control
to BIOS POST. Performing any required processing after the option ROM
returned control.
90h R Off Off R Display IDE mass storage devices.
92h R Off G R Display USB mass storage devices.
94h R G Off R Report the first set of POST Errors To Error Manager.
96h R G G R
Boot Password Check: The password was checked. Performing any required
programming before Setup next.
98h A Off Off R
Float Processor Initialize: Performing any required initialization before the
coprocessor test next.
9Ah A Off G R
Enable Interrupts 0,1,2: Checking the extended keyboard, keyboard ID, and
NUM Lock key next. Issuing the keyboard ID command next
9Ch A G Off R Init FDD Devices. Report second set of POST errors To Error messager
9Eh A G G R Extended background memory test end
A0h R Off R Off
Prepare And Run Setup: Error manager displays and logs POST errors. Waits
for user input for certain errors. Execute setup.