Intel SCB2 Product Guide - Page 94

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