Resolved Unknown Device - ACPI?

While looking in the device manager I came across an unknown device. The only thing I can find on it is "ACPI\WEC0515\4&398EACD8&0 ". I couldn't find anything on Google that tells me anything. Anyone have any input on this issue?

 

According to Driverguide.com this is associated with a soundmax digital audio. I tried to create a link the search on driverguide but is failed. So, here is the google search I did. It is the 5th item from the bottom of the search page. Hope it helps.

 

Thanks for your time. Maybe it is for my memory stick slot. I have e-mailed Sony to see what they say about it.

 

Please let us know what you find out from Sony.

 

Unknown Device

I e-mailed them about three days ago and have gotten nothing. I am going to try again.

 

This is the reply I got from Sony. Apparently my first e-mail didn't go this reply came within 4 hours. I don't really know what it means because it isn't on a laptop. If you have any input on the subject.

Thank you for contacting Sony Support.

I'm sorry that an unknown device is found in the Device Manager in your VAIO Notebook computer. This is the Advanced Configuration and Power Interface (ACPI), a power management specification developed by Intel, Microsoft, and Toshiba. ACPI, which will be part of the next version of Windows, enables the operating system to control the amount of power given to each device attached to the computer. With ACPI, the operating system can turn off peripheral devices, such as a CD-ROM players, when they're not in use. As another example, ACPI will enable manufacturers to produce computers that automatically power up as soon as you touch the keyboard.

Thank you for choosing Sony.

The Sony Email Response Team
C6Q4
Christopher

 

What are the system specs for your computer? Maybe I can look around and see if I can find something else?

 

Get the chipset driver updates (probably an Intel chipset), from the Sony website for your model.

 

I already have chipset updates. Will get back to Mitch on specs later.

 

EVEREST Home Edition © 2003-2005 Lavalys, Inc.

--------------------------------------------------------------------------------


Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Report Wizard
Computer HOMEBASE (HOME BASE)
Generator Rich&Sheila
Operating System Microsoft Windows XP Home Edition 5.1.2600 (WinXP Retail)
Date 2008-11-14
Time 16:00


Summary

--------------------------------------------------------------------------------


Computer:
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 3
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name HOMEBASE (HOME BASE)
User Name Rich&Sheila

Motherboard:
CPU Type Intel Pentium 4, 2400 MHz (18 x 133)
Motherboard Name Asus P4S533-VX
Motherboard Chipset SiS 651
System Memory 1504 MB (DDR SDRAM)
BIOS Type Award Medallion (08/20/02)
Communication Port Printer Port (LPT1)

Display:
Video Adapter SiS 650_651_740 (32 MB)
3D Accelerator SiS 315 Integrated
Monitor Plug and Play Monitor [NoDB] (L800C0504031)

Multimedia:
Audio Adapter SiS 7012 Audio Device

Storage:
IDE Controller SiS PCI IDE Controller
Floppy Drive Floppy disk drive
Disk Drive Maxtor 4D080H4 (80 GB, 5400 RPM, Ultra-ATA/100)
Optical Drive HL-DT-ST CD-RW GCE-8320B (32x/10x/40x CD-RW)
Optical Drive MATSHITA DVD-ROM SR-8588 (16x/48x DVD-ROM)
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 16386 MB (5673 MB free)
D: (NTFS) 61773 MB (59331 MB free)
Total Size 76.3 GB (63.5 GB free)

Input:
Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse Microsoft PS/2 Port Mouse (IntelliPoint)

Network:
Network Adapter Realtek RTL8139/810x Family Fast Ethernet NIC (192.168.2.2)
Modem Agere Systems AC'97 Modem

Peripherals:
Printer KODAK 5100 AiO
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB2 Controller SiS 7002 USB 2.0 Enhanced Host Controller
USB Device EasyShare AiO
USB Device KODAK 5100 AiO
USB Device USB Composite Device
USB Device USB Printing Support


Debug - PCI

--------------------------------------------------------------------------------

 

They can get "jammed" sometimes. I usually find that uninstalling the driver in Device Manager and restarting will often let it install correctly.

If you are stuck, boot into Safe Mode and do any uninstalling there. Look in Add or Remove programs if there is a listing for the SIS chipset drivers, uninstall those, reboot and run the installer for updated version again. The uninstaller could be bundled with the installer package.

You have SP3 installed, if the version of the SIS chipset drivers from the Sony website pre-dates SP3, you may want see if there are newer versions at the SIS website.

Matt

 

Kiaville, I would stick with Matt's advice. I was googling your problem yesterday and came across this page where a user had nearly the same problem and he re-installed his drivers and "fixed" the problem.

Mitch

 

Unknown Device

The only SiS I have in add & remove is SiS VGA Utilities, SiS AGP Driver, SiS Compatible VGA V2.09a. I ran driver update programs again and everything is still up to date. The updates I have came from the SiS website.

 

I googled the mobo model number and found it is installed in the Sony VAIO PCV-RXG408 PC. Is that your model number?

The only references to this PC I could find were at Sony UK

At the SIS website, all I could find were pre-SP3 drivers.

You may want to check the Sony UK web site for possible drivers for your memory stick (if that is what is failing).

One thing I don't see in this thread is this: (if you have already done this just tell me)

Go to the device manager, right click on the device and uninstall. OK you way out. Reboot and see if XP finds a suitable driver for it.

Post back when you can

Mitch

 

ACPI is the "interface" with the BIOS to control low power settings. It will rely on the chipset drivers. I have just been looking at SiS website in another thread and I expect the main chipset drivers are installed by Windows.

You don't say that you uninstalled the ACPI driver in Device Manager. You should see it listed with a yellow exclamation mark. The exclamation mark means that the driver is not working, I just highlight/select those and uninstall them. They may be reinstalled correctly on reboot. If the Add New Hardware wizard runs when you reboot, try directing it to the Windows installation CD.

My interpretation of the problem is that the drivers for the ACPI were installed in the wrong order with other chipset drivers.

Don't be afraid to uninstall the problem driver and reboot (it may take several goes). Also look at what selections you make if the Add New Hardware wizard runs at startup.

You can try right-clicking on the problem driver in Device Manager and selecting "Update driver ". You may be lucky

Matt

 

Unknown Device

Hi! My model is PCV-RX850. Nothing is failing. I was just trying to find out what this unknown device is. I also have a camera driver installed. Maybe it's that. According to the manager it does not have a driver installed for it. I did the uninstall driver and it disappeared but came back after a reboot. Its location is "on PCI standard ISA bridge ". Means nothing to me. Thanks.

 

Have you tried uninstalling the device in device manager then rebooting and letting the hardware wizard find the driver?

 

Are you refering to the ACPI Uniprocessor PC? That is the only one listed and there is no yellow exclamation mark. There is one on the unknown device and that is all. I did update on this but nothing new came up. Thanks.

 

Yes. As i said I did that and it disappeared but came back after reboot.

 

Sorry, didn't see that - I'll read more closely next time