Pci communications controllers

if you have problem with installed driver. you can use driver pack solution to find any driver on your computer. it easy to results your problem. good luck my friend.
this mian board support windows xp & vista
you can download all drivers for m661 from this link below.
http://www.acer.co.th/ac/th/th/content/drivers

Click start control panel administration tools computer management device manager scroll through all of your devices

or for windows 7 click start right click on computer select properties in the left pane device manager scroll through all of your devices.

If you see a yellow question or exclamation mark ? ! or a red X you will need to update the drivers for this device right click select update driver/reinstall driver software.

If you can see your usb device but its not working scroll to Ports(Com&Ltd) right click to update driver

If you computer came with a motherboard disk the drivers could be on it

or you might have to download them

Rather doing a driver hunt which can take hours.

http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html

Windows XP/Vista/7/8

This might take some time being a freeware driver solution

Note: The Driver program will find all of your outdated drivers

This will automatically search for and find the correct driver you will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point.

Click no to both of these then continue updating each driver free then restart once all of the drivers have been updated.

also at cnet

http://download.cnet.com/2000-20_4.html

on the home page you should see a search tab just type in what you are looking for

IE: Motherboard name sound drivers.

Place a tick in either windows software or all software box.

You might have to try a few times to get it right.

http://download.cnet.com/drivermax/3000-18513_4-10572602.html

Windows 2000/XP/Vista/7/8 free driver program

http://download.cnet.com/drivers-for-free/3000-18512_4-75548155.html

Windows XP/2003/Vista/Server 2008/7/8 free drivers

http://www.downloadcollection.com/device_doctor.htm

Device Doctor is a freeware Windows application that scans your computer hardware and checks to see if there are new driver updates available for your devices. It also locates drivers for Unidentified Devices in the Windows Device Manager. This tool was designed to be very simple and easy to use

http://www.innovative-sol.com/drivermax/

free program, paid update available

Hope this helps.

You can download the PCI device drivers from the Compaq/HP WEBsupport/download page. Make sure you select your model laptop and the Windowsdrivers you require and install them. Click on this link to download thedrivers: -
www.compaq.com/country/cpq_support.html

that would be the Intel Management Engine Interface

Here is a link to the driver's page for Windows Vista. I know you said you have Windows 7, but run the drivers in compatibility mode and you should be well on your way!
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=447348&prodTypeId=321957&prodSeriesId=447371&swLang=8&taskId=135&swEnvOID=2096

If you have windows Vista simply Right Click on the entry in device manager and choose Update driver (Requires working internet connection)

Else use the following drivers (Works on XP and vista)
ftp://ftp.us.dell.com/network/R64645.EXE

Go to the Sharp WEB site to download the Windows XP or Vista driver for the device you require. If you have problems identifying the driver you require, send an e-mail to their support. Use this link to get to Sharp support. http://www.sharpusa.com/products/support/0,2309,,00.html

I will give you a alternate and easy way for your problem.Just download this software named driver magician and install it.It will search for the drivers for all your hardwares and components that doesnt have proper drivers and will download it.It will make your problem easy

http://www.ziddu.com/download/4569239/Driver_Magician_3.42.zip.html

The reason for these 2 big question marks is that Windows device drivers for the sound card & modem are not installed.
If you don't have the drivers for these 2 cards, let me now the make & model, & I can find them for you.