Acer ASX1200, ASX3200 manual Post Error and Beep Codes, Post Code Hex Post Routine Description

POST Error and Beep Codes

NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the computer. Do not replace a non-defective FRU.

The error messages in the following table indicate the BIOS signals on the screen and the error symptoms classified by functions. If the symptom is not included on the list, please refer to “Undetermined Problems”.

NOTE: Most of the error messages occur during POST. Some of them display information about a hardware device, e.g., the amount of memory installed. Others may indicate a problem with a device, such as the way it has been configured.

NOTE: If the system fails after you make changes in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error.

POST Code (Hex)		POST Routine Description
CFh	Test CMOS R/W functionality
C0h	Early chipset initialization
		Disable shadow RAM
		Disable L2 cache (socket 7 or below)
		Program basic chipset registers
C1h	Detect memory
		Auto-detection of DRAM size, type, and ECC
		Auto-detection of L2 cache (socket 7 or below)
C3h	Expand compressed BIOS code to DRAM
C5h	Call chipset hook to copy BIOS back to E000 and F000 shadow RAM
01h	Expand the X group codes locating in physical address 1000:0
02h	Reserved
03h	Initial Superio_Earl_Init switch
04h	Reserved
05h	1	Blank out screen
	2	Clear CMOS error flag
06h	Reserved
07h	1	Clear 8042 interface
	2	Initialize 8042 self-test
08h	1	Test special keyboard controller for Winbond 977 series Super I/O chips
	2	Enabled keyboard interface
09h	Reserved
0Ah	1	Disable PS/2 mouse interface (optional)
	2	Auto detect ports for keyboard and mouse followed by a port and interface swap
		(optional)
	3	Reset keyboard for Winbond 977 series Super I/O chops
0Bh	Reserved
0Ch	Reserved
0Dh	Reserved
0Eh	Test F000h segment shadow to see whether it is rewritable or not. If test fails, keep
	beeping the speaker.
0Fh	Reserved
10h	Auto detect flash type to load appropriate flash rewritable codes into the run time
	area in F000 for ESCD & DMI support.
11h	Reserved

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