How do I fit a memory stick to a Satellite pro A 40 laptop.this item is not listedin the product list

you can buy a All in one USB Card reader/Writer and then insert the memory stick pro duo card in it and plug in the USB Card reader/ writer
to the USB port on your laptop and you should find the same listed under removable devices under my computer. good luck

According to the manufacture web site that model has a - • 4-in-1 Bridge Media Adapter,with Secure Digital, Secure Digital High Capacity, Memory Stick™, Memory Stick PRO™, Multi Media Card™ [shared slots]
So basically you need to look for just one slot, and you have to use one of those memory formats, If your using something else then it wouldn't work, You'll need a USB adapter that will read your type of media, The slot looks like its on the front edge of the laptop. It'll be a pretty small slot across the front, about where your left thumb would be. Its possible you have a model that didnt have one. The Bridge Media Adapter slot (available on certain models) supports the use of Memory Stick,, Memory Stick™ PRO, Secure Digital™ (SD™), MMC™ (MultiMediaCard™), or xD-Picture Card™ media. These media can be used with a variety of digital products: digital music players, cellular phones, PDAs, digital cameras, digital video camcorders, etc.
Lots of good info and owners manual at. http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=SB&os=&category=&moid=2221250&rpn=PSLB8U&modelFilter=L300-ST3502&selCategory=2756709&selFamily=1073768663
hopefully you can just click on all that,,,,,,

find your link for up great memory details

http://www.crucial.com/upgrade/compatible-memory-for/Toshiba/Satellite+Pro+490CDT/list.html

Memory Upgrade for Toshiba Satellite Pro 4600 800 Laptop, the Toshiba Satellite Pro 4600 800 Laptop takes the PC100 SDRAM SODIMMs. 256MB module must be 1" in height or less Memory Type, and comes installed with 128 MB (removable) of Memory. You can upgrade your Toshiba Satellite Pro 4600 800 Laptop to up to a maximum of 512 MB Memory, the system has 2 sockets to install Memory, already with 128 MB (removable) standard Memory installed. For best Laptop performance use the maximum amount of allowed Memory per slot for your Laptop.

You can obtain your models service manual with instructions for how to replace and upgrade memory from this link. http://www.givemefile.net/smanuals/notebooks/toshiba/file/31033.html

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I advise buying an inexpensive card reader, that accepts different forms of USB flash drives, including yours.

You just plug the USB cable of this card reader into your computer, and insert your Sony memory stick.

How about this one for an example?
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1187796&CatId=942
(Scroll down the page a little, and view the animation)

your memory stick should have came with its own card reader, which is a small device that the card fits into, on the end of that device is a plug to plug into any of you USB ports on your laptop.. If it did not come with a reader device you will have to purchase one.
Hope this helps

You can find drivers for Sony's Microvault product line at http://www.sony.net/Products/Media/Microvault/support/index.html

Most older digital cameras do not work when you try to use a memory stick adapter and the newer, smaller size memory sticks. Because this memory format is so old that it is no longer sold in retail stores, your best option is to buy a memory stick online. You can find these memory sticks on eBay.

To find more eBay auctions for these memory sticks, go to the Memory Cards category on eBay. Then, on the left side select Format = Memory Stick, and Storage Capacity = 64MB and under.

In the resulting search, only look at the auctions that are actually for 64MB and under Memory Sticks - you will find a lot of mis-classified memory in the search results - items that are the wrong format (not memory sticks) or too large to work in your camera.

well if you got the money to spend then you can probably stick at least a 250 gig (probably even more than that) hard drive in it. Reason i say 250 gig, cause i noticed this here - http://www.newegg.com/Product/Product.aspx?Item=N82E16822136159 - if that's too pricey then almost half that price will get you 120 gigs here - http://www.newegg.com/Product/Product.aspx?Item=N82E16822136130 - but whatever you get you should be good to go with as long as it's ATA and not SATA cause your laptop works with ATA only. And go with 5400 rpm's for sure (if you can find you a 7200 rpm then your really in business) I would go with a Western Digital or Seagate because they are more reliable. Hope this helps you and good luck.

Downloads for the satellite A135 S4427 can be found here