P35 NEO-2 FR won't boot. One beep every few seconds.
Hello, I hope someone can help me
Out of the nothing my computer crashed. There was a blue screen, but only for a split second, so I couldn’t get any information from that. After I tried to turn it back on I only got a black screen.
Messages from my PC:
One beep every few seconds. -- Means: DRAM refresh failure.
The LEDs on the board have the combination red-red-green-green. -- Means: Decompressing BIOS Image to RAM for fast booting.
Obviously I tried another RAM module. But it didn’t help. I don’t know what I should do, because I can’t even get to the BIOS. The screen just stays black.
PS: I didn’t OC or try to flash a new Bios version.
My system:
P35 NEO-2 FR, BIOS v. 1.8, S/N: 601-7345-100B0805092463
Intel Q9300
G.Skill 2 GB DDR2 PC2-6400 CL5-5-5-15 (also tried brand new Corsair XMS2 DDR2 800 MHz CL5-5-5-18)
MSI N460GTX Hawk
beQuit Straight Power 600W
Okay, please have a look at this document:
http://www.ami.com/support/doc/AMIBIOS8_Checkpoint_and_Beep_Code_List_PUB.pdf
As you can see, there are two main routines going on after you hit the power-on button:
1. Bootblock Initialization
__ and __
2. POST Code
Your problem description ...
Quote
The LEDs on the board have the combination red-red-green-green. -- Means: Decompressing BIOS Image to RAM for fast booting.
... indicates that your system halts in the first of the two main routines I just mentioned. To be more precise, it hangs at Bootblock Initialization Checkpoint D5, which is defined as follows:
Quote
Bootblock code is copied from ROM to lower system memory and control is given to it. BIOS now executes out of RAM. Copies compressed boot block code to memory in right segments. Copies BIOS from ROM to RAM for faster access. Performs main BIOS checksum and updates recovery status accordingly.
In the last two phases of this checkpoint:
Quote
Copies BIOS from ROM to RAM for faster access. Performs main BIOS checksum and updates recovery status accordingly.
The actual BIOS Code is copied into RAM and checked for integrity. When BIOS corruption is detected (=wrong BIOS checksum), the system will automatically jump into BIOS Recovery Mode (which is a sub-routine of the Bootblock Initialization routine).
Now, this brings us to the actual meaning of the beep(s) you hear:
Quote
One beep every few seconds. -- Means: DRAM refresh failure.
The BIOS Recovery mode (which is not part of the actual P.O.S.T. Routine, but a sub-routine of the Bootblick Intialization Routine) has its own set of Beep Code definitions which are described on page 15 of the document I linked you to:
Quote
Boot Block Beep Codes
Number of Beeps -- Description
1 -- No media present. (Insert diskette in floppy drive A:)
2 -- ‘AMIBOOT.ROM’ file not found in root directory of diskette in A:
3 -- Insert next diskette if multiple diskettes are used for recovery
4 -- Flash Programming successful
5 -- File read error
7 -- No Flash EPROM detected
10 -- Flash Erase error
11 -- Flash Program error
12 --‘AMIBOOT.ROM’ file size error
13 -- BIOS ROM image mismatch (file layout does not match image present in flash device)
Consequently, the meaning of that single beep, that repeats every few settings is not "DRAM refresh failure" (this would be its meaning in the P.O.S.T. Routine, but we are looking at the Recovery Routine), but it actually means:
Quote
1 -- No media present. (Insert diskette in floppy drive A:)
What you have to do is this:
1. Hook up an internal (!!) floppy drive to your mainboard
2. Prepare an AMI BIOS Recovery disk:
--> Download the latest BIOS Archive for your board from the product site
--> Extract the actual BIOS File and rename it to AMIBOOT.ROM
--> Copy the renamed BIOS File to an empty & formated floppy disk
3. Put the disk that contains the AMIBOOT.ROM file into the internal floppy drive that you connected to the mainboard.
4. Pray that the system finds the disk, reads the file on it and performs a recovery flash
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