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5.1, MMDriver.inf and Machine check error

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I have been having a load of (non) fun over the last couple of days,
just when I thought I had this second re-build working it turns out
it's not.

I've just bought the Emu 1820m Sound-Card and wanted to test getting
a 5.1 output from Windows Media Player (WMP). While following the
instructions found in the forums =
Tools/Options/Devices/Speakers/Properties and make sure that
DirectSound is selected (though I'm not sure at this point as that I
have two DirectSound choices - as well as the default there is an
E-DSP Wave [BCE0] version. (I've tried both) , anyways, when I
clicked on advanced it came up that the MMDriver.inf file was missing,
yet I could see it clear as day sitting in my system32 directory -
where it was supposed to be. So I searched this fault and found many
people had posted copies in the groups, which I copied into my system32
folder after changing the name of the original .inf to .old.
I even put a copy into my WOW64 directory.
Nothing seemed to be working, so I went into Programs (rightclick) My
Computer/manage/eventviewer/system and found a WMIxWDM Errors 120, 122,
123, Machine Check Event reported is a fatal bus or interconnect error.
So off I went down this road and read how many people said memory is
bad or CPU is bad. My ram is brand new Corsair - the stuff that they
So I started poking around in my bios, tried turning ECC on again,
turned chipkill off and searched to find out what the 4 or 8 beat burst
was all about. The side panel in my bios said that 64 bit Dq must use 4
beats - and I had it on the 4 because (in my mind) I was running 64
bit. It turns out that 64 bit Dq is single channel memory, so I changed
my bios to 8 beats and rebooted and no more WMIxWDM errors.
It also turns out that this error is the machine saying it found a
problem, but it has fixed it.
I notice today that it is still happening at boot, but not on warm

Back to the MMDriver issue, at Free I found a tute telling
how to load the MMDriver.inf, titled "How to (re)install Default Codecs
in Windows XP/2000. "

1. Choose Start > Control Panel and click Add hardware, then click Next
from Add Hardware Wizard.
Click "Yes, I have already connected the hardware" then click Next
button, again.

2. Choose Add a new hardware device at the bottom of the list and click
Select "Install the hardware that I manually select from a list
(Advanced)", and click Next.

3. Select "Sound, video and game controllers" from "Common hardware
types" list and click Next.
Select "(Standard system devices)" from "Manufacturer" and click Have
Disk... button.

4. Click Browse in the Install From Disk dialog box and open the folder
Find mmdriver.inf file, select it and click Open then click OK in the
Install From Disk dialog box. If you see a warning about logo
compatibility, just click "Continue Anyway".

5. Now you should finally see a list of audio codecs.

But I didn't, I got a new error message, "The specified location does
not contain a compatible software driver for your device. If the
location contains a driver, make sure it is designed to work with
windows for x64based systems."
I got to thinking that maybe this copy of XP 64bit that I bought from
an online retailer who I had dealt with many times had sold me a
pirated copy.
So I dug deeper on this MMDriver thing, turning up at Microsoft to read

"Microsoft Windows Server 2003 x64 editions and Microsoft Windows XP
Professional x64 Edition require that OEM device driver .inf files
specify a TargetOsVersion entry in the [Manufacturer] section and in
the [Models] section for the following 64-bit computer platforms "

"Note The .NTamd64 decoration in the following .inf file excerpt is
used for all AMD64 or EM64T platforms. Conversely, the .NTia64
decoration is used for Intel Itanium platforms.
%mycompany% = MyCompanyModels, NTamd64

%MyDev% = mydevInstall, mydevHwid "

Now if you look at the MMDriver.inf you will see no decorations like
above, which makes me suspicious about my copy of x64, or that
Microsoft don't do what they say needs to be done.

Further down the page I found

"Installing Undecorated INFs on X64-based Systems
The following workarounds can be used to install undecorated INFs on
x64-based systems. These workarounds are intended only for use on test
systems and are not recommended for production drivers.
Method 1. Turn off the undecorated models check for AMD64. To turn off
the undecorated models check for AMD64-based systems only, create the
following non-zero numeric registry value:

HKLM\Software\Microsoft\Windows\CurrentVersion\Set up:
REG_DWORD: DisableDecoratedModelsRequirement

Set the key to a non-zero value (such as 1) and restart the system,
then install the driver. "

Now running the free-codecs install worked, but what do I need to load?

[note: I just installed Microsoft ADPCM CODEC, but SiSandra still only
shows 1 channel]
choices are
[MCI] CD Audio
[MCI] Microsoft Video for Windows
[MCI] Midi Sequencer
[MCI] Sound
Cinepak Codec by Radius Inc
DSP Group TrueSpeech Audio Codec
IMA ADPCM Audio codec
Microsoft ADPCM Audio Codec
Microsoft Audio Compression Manager
Microsoft CCIT G.711 Audio Codec
Microsoft GSM 6.10 Audio Codec
Microsoft RLE Codec
Microsoft Video 1
Midi Mapper

On this OS install I did not load the AMD Driver Pack, it seems that I
have to load the setup_8131.exe first to get the amdpci64 filter
loaded, because the driver pack asks for this sys file which is not
anywhere else in the machine.
I've tried loading the amdapic64 but I get an error that I have no
supported hardware.

I'd want to think that the OS has the chipset drivers etc

My system specs are
MSI 9131
Dual 248
Primary drive is 80GB WD
On PCI-X slot 1 is RocketRaid 2224 with 2xSamsung 250GB SATA-II drives
set in Raid_0
In PCI slot_1 Emu sync card, PCI slot_2 Emu 1010 card, PCI-X slot 2
VisionTek (ATI) X1300 VGA, PCI-X slot 3 VisdionTek Theatre 550
Com and printer ports turned off in BIOS
Enermax Liberty 500w power supply
Antec Titan case
Rounded cables

SiSoftware Sandra


Model : 2x AMD Opteron(tm) Processor 248
Speed : 2.19GHz
Model Number : 3490 (estimated)
Performance Rating : PR7894 (estimated)
Cores per Processor : 1 Unit(s)
Threads per Core : 1 Unit(s)
Internal Data Cache : 64kB Synchronous, Write-Back, 2-way set, 64 byte
line size
L2 On-board Cache : 1MB ECC Synchronous, Write-Back, 16-way set, 64
byte line size

Bus(es) : ISA PCI PCIe IMB USB FireWire/1394 i2c/SMBus
MP Support : 2 Processor(s)
NUMA Support : 2 Node(s)
System BIOS : American Megatrends Inc. 080008
System : MSI MS-9131
Mainboard : MSI MS-9131
Total Memory : 3GB DDR-SDRAM Registered

Chipset 1
Model : Advanced Micro Devices (AMD) Athlon 64 / Opteron HyperTransport
Technology Configuration
Front Side Bus Speed : 2x 796MHz (1592MHz data rate)
Total Memory : 2GB DDR-SDRAM Registered
Memory Bus Speed : 2x 199MHz (398MHz data rate)

Chipset 2
Model : Advanced Micro Devices (AMD) Athlon 64 / Opteron HyperTransport
Technology Configuration
Front Side Bus Speed : 2x 796MHz (1592MHz data rate)
Total Memory : 1GB DDR-SDRAM Registered
Memory Bus Speed : 2x 199MHz (398MHz data rate)

Video System
Monitor/Panel : Plug and Play Monitor
Adapter : Standard VGA Graphics Adapter
Adapter : Radeon X1300 Series
Adapter : Radeon X1300 Series Secondary

Physical Storage Devices
Removable Drive : Floppy disk drive
Hard Disk : WDC WD800JB-00JJC0 (75GB)
Hard Disk : HPT DISK 0_0 SCSI Disk Device (466GB)
CD-ROM/DVD : LITE-ON LTR-52327S (CD 52X Rd, 52X Wr)

Logical Storage Devices
Hard Disk (C : 29GB (23GB, 78% Free Space) (NTFS)
Store (D : 45GB (44GB, 97% Free Space) (NTFS)
Raid Capture (E : 466GB (459GB, 99% Free Space) (NTFS)
my x64 disk
3.5" 1.44MB (A : 1.4MB (1.1MB, 83% Free Space) (FAT)

USB Controller/Hub : AMD PCI to USB Open Host Controller
USB Controller/Hub : AMD PCI to USB Open Host Controller
USB Controller/Hub : USB Root Hub
USB Controller/Hub : USB Root Hub
FireWire/1394 Controller/Hub : OHCI Compliant IEEE 1394 Host Controller

Keyboard : Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse : Microsoft PS/2 Mouse

MultiMedia Device(s)
Device : ATI Unified AVStream Driver
Device : E-MU E-DSP

Power Management
AC Line Status : On-Line

Operating System(s)
Windows System : Microsoft Windows XP/2003 Professional x64 Edition
5.02.3790 (Service Pack 1)

Network Services
Adapter : Broadcom NetXtreme Gigabit Ethernet
Adapter : Broadcom NetXtreme Gigabit Ethernet #2 (not connected)

Any help would be apprechiated, TIA


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Tony Sperling
Posts: n/a
This is much too specific that I can be of any immediate help? Great piece
of investigative work though.

You should try and insert the decorations to the .INF file manually and see
what happens. Somewhere near the top as I remember. Your OS version: It is
hardly a pirated copy, it could be one of the RC's - the decoration
requirement came about rather late, and quite unexpected. If so, it is
hardly completely legal either, as these early versions were not slated for
distribution from non-microsoft sources.

The finished product is an OEM version, by then the requirement was well
established, and this version was not distributed by MS. The opposite goes
for the Beta's and RC's and the Trial version, as those aren't actual
products at all.

Tell your dealer, in the friendliest tone of voice that you can muster, that
if you ever hear from the MS legal department you know where to point your
finger, there's a chance it would trigger some creative thinking?

Tony. . .

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Posts: n/a

I did a what I will call a fake media encoding last night, I encoded a
5.1 channel video sequence and in Windows media player while the video
is playing under file/properties it states 5.1 channels.
Fake= I set the 1820m up with an ADAT in [I have no adat equipment
sending a signal], but the encoder sees the multichannel inputs.

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