IBM @server xSeries 343 Product Manual page 84

Table 22. POST Codes (continued)
Diagnostic LED Decoder
Post
G=Green, R=Red, A=Amber
Code
MSB
82h R
83h R
84h R
84h R
84h R
16h Off
17h Off
85h R
86h R
8Dh A
8Dh A
8Dh A
95h R
92h R
98h A
9Bh A
9Eh A
A2h R
86h R
8Bh A
8Ch A
A5h R
A7h R
A7h R
A7h R
A7h R
A7h R
72
Description
LSB
Off G Off Check Stuck Key Enable Keyboard: The keyboard controller
interface test completed. Writing the command byte and initializing
the circular buffer next.
Off G G Disable parity NMI: The command byte was written and global
data initialization has completed. Checking for a locked key next.
G Off Off Verify RAM Size: Checking for a memory size mismatch with
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.
G G Off Boot Password Check: The password was checked. Performing
any 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.
Off G R Option ROM Scan.
Off Off R 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.
Off G A Float Processor Initialize: Performing any required initialization
before the coprocessor test next.
G G R Enable Interrupts 0,1,2: Checking the extended keyboard,
keyboard ID, and NUM Lock key next. Issuing the keyboard ID
command next.
Off A Off Report second set of POST errors to Error Manager.
G G Off Prepare And Run Setup: Error manager displays and logs POST
errors. Waits for user input for certain errors. Execute setup.
Off G G Set Base Expansion Memory Size.
G Off Off Adjust Setup: Programming the Setup options next.
G R G Set Display Mode.
G A G OEM Patch 12.
G A G Build SMBIOS table and MP tables.
G A G Program hotkey and timeout settings in keyboard controller.
G A G Processor initialization before boot.
G A G Copy required language strings to shadow RAM.
continued
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