I recently enountered a problem where a Dell Inspiron 6400 displayed three base system devices after installing Windows XP onto the machine. It originally had Vista installed, so I only had Vista drivers, which didn’t work with Window XP.
About a year ago, someone I know purchased an Inspiron 6400 laptop from Dell and tried to get XP installed on it instead of Vista. They had no luck and ended up with Vista. Recently, they have decided to remove Vista and install XP on that same laptop, and asked me to do it. No problem, at least until I ended up with three devices that weren’t recognized by XP.
If you have an Inspiron 6400 and have noticed three base system devices in the device manager, then I will explain how to correct that issue in this post.
Hardware and Windows XP
As I mentioned above, I recently was tasked with installing Windows XP on a Dell Inspiron 6400 that once had Vista installed. The one problem I encountered was that all the hardware installed was new, so XP didn’t have any drivers included.

I went onto the Dell support Web site and downloaded the drivers to the local hard drive. I installed the chipset, video, sound, network adapter and wireless drivers without any issues. After I rebooted I noticed that I still had three unknown devices in the device manager.
Unknown devices in the device manager means that I still need to install some drivers. Unfortunately, the devices were listed as a “Base System Device”, so it wasn’t very descriptive to help determine what I was missing.
After a quick search on the Internet, I read that there was an additional set of drivers for the card reader that was included in the laptop.
I went to the Dell support site once again and expanded the “Chipset” drivers. One of the items in the list was called “Ricoh – Driver”, which I promptly downloaded and installed. After installing the drivers I checked the device manager and noticed that the three unknown devices were now gone. I also had three new card reader devices installed, which were the three unknown devices.
As a side note the Dell Inspiron 6400 is also known as the E1505.
Summary
After installing XP on a Dell Inspiron 6400 I noticed that there were three unknown “Base System Device” entries in the device manager. After some quick research I learned that these devices were the Ricoh card readers. I downloaded the driver from the Dell support Web site and the three unknown devices disappeared and were replaced by the actual devices.
Related Posts
What is a Device Driver?
Vista Power Saving Settings – Increase Laptop Battery Life










that was the ticket! got the driver here
http://download.cnet.com/Chip-Set-Ricoh-R5C832-R5C843-Driver-Version-A00/3000-2122_4-108138.html?tag=mncol
Brilliant, easy fix, many thanks
Just leaves you wondering why the hell does the Dell install process / CDs not do this, pretty okay with Dell in general, but this is poor, cheers
I tried the CDs but they contained only the Vista drivers, and they weren’t very well laid out so finding any useful information on the CDs was a waste of time. It was much easier to go online, enter the service tag and get the XP drivers.
Thanks very nice….. Its yes worked
thanx man that was really helpful i was going crazy cause if this problem
thanx again
thumbs up!!! very helpful…thanks a lot
Nice!!That was a big headache fix..Thanks
Great work dude! Exactly what I needed!
thanks!!! My hard drive died so I had to buy a new one and start from scratch. I had to download all the drivers but I kept getting those 3 missing “base system device”.
Followed your directions and there it was on the dell website:
http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=dhs&appIndex=dellspct&os=WW1&osl=en&servicetag=259Z9C1
Thanks again!! It’s all fixed!
that’s my service tag up there but it was an easy find under drives & downloads.
Thank you!