Intel SCB2 - Server Board Motherboard Product Manual page 94

Table 11. Post Codes (continued)
Diagnostic LED Decoder
Post
G=Green, R=Red, A=Amber
Code
MSB
39h G Off
3Ah G Off
40h Off
4Bh G
57h Off
53h Off
54h Off
60h Off
65h Off
7Fh G
80h R Off
81h R Off
82h R Off
83h R Off
84h R
84h R
84h R
16h Off
17h Off
85h R
86h R
8Dh A
8Dh A
8Dh A
95h R
92h R Off
98h A Off
94
LSB
R A Displaying bus initialization error messages.
Display Setup Message: The new cursor position has been read
A R
and saved. Displaying the Hit Setup message next.
R Off Off Ensure Timer Keyboard Interrupts are on.
Memory Test: The amount of memory above 8 MB has been found
and verified. Checking for a soft reset and clearing the memory
R G G
below 8 MB for the soft reset next. If this is a power-on situation,
going to checkpoint 4Eh next.
A G A Chipset hook after memory size
R A A Display processor cache size.
A Off R Disable parity and nmi reporting.
Test 8237 DMA Controller: The DMA page register test passed.
R R Off
Performing the DMA Controller 1 base register test next
Init 8237 DMA Controller: The DMA controller 2 base register test
A R G
passed. Programming DMA controllers 1 and 2 next.
Extended NMI enable: Extended NMI source enabling is in
A A A
progress.
Enable Mouse and Keyboard: The keyboard test has started.
Off Off Clearing the output buffer and checking for stuck keys. Issuing the
keyboard reset command next
Keyboard Interface Test: A keyboard reset error or stuck key was
Off G
found. Issuing the keyboard controller interface test command next.
Check Stuck Key Enable Keyboard: The keyboard controller
G Off
interface test completed. Writing the command byte and initializing
the circular buffer next.
Disable parity NMI: The command byte was written and global data
G G
initialization has completed. Checking for a locked key next
Verify RAM Size: Checking for a memory size mismatch with
G Off Off
CMOS RAM data next
G Off Off Check ATA Cable Type presence of ATAPI devices
G Off Off Display Keyboard Message
G G R Display IDE mass storage devices.
G G A Display USB mass storage devices.
G Off G Report the first set of POST Errors To Error Manager.
Boot Password Check: The password was checked. Performing any
G G Off
required programming before Setup next.
G Off G OEM Patch 9
G Off G Set Printer RS-232 Timeout
G Off G Init FDD Devices: Resetting the hard disk controller next.
G Off A Lock out PS/2 keyboard/mouse if unattended start is enabled.
G R Option ROM Scan
Init Boot Devices: The adapter ROM had control and has now
Off R returned control to BIOS POST. Performing any required
processing after the option ROM returned control.
Description
Intel Server Board SCB2 Product Guide
continued