Need USB card with enough power for external hard drive
in [Laptops]
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From: Paul on 24 May 2010 14:58 Carl wrote: >>> It's a 2.5" USB drive enclosure. It doesn't have a plug for a power >>> adapter. >> In that case move the hdd to an external drive case that has an additional >> power plug recepticle on it. Make sure you find out what the internal >> connector is for your 2.5" hdd (IDE or SATA) >> >> As an example. With these drives you would need to purchase an additional >> power to USB cable, but it should certainly work if you have two USB ports >> available and one to use for a mouse. This one has an internal SATA >> connection. >> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16817145329 >> >> -- >> Jan Alter >> bear...(a)verizon.net > > That page says "There's no external power necessary either, since the > drive gets its power from your computer." I already have an external > drive case - that's how I'm accessing my 2.5 " IDE drive via a USB > port. > > I don't see any listing on E-Bay matching "wall wart USB socket" as > someone else here suggested (0 listings), and I don't see anything > relevant when searching for "power usb cable." What EXACTLY is it > called - a transformer you plug in the wall, and it has a cable with a > USB socket on the end of it. Thanks. There are other ways to get power to the drive. And you have to be careful with the various adapter routes, because some of them are *still* using the USB cable for power. To start with, I think this adapter is key to success. It converts IDE 2.5" 44 pin, to a separate 40 pin IDE and a power connector. $8 This allows you to *prove* how the drive is getting power. http://www.newegg.com/Product/Product.aspx?Item=N82E16812203012 Once you're using that adapter, the resulting interface looks like a 3.5" drive. The purpose of me converting to 3.5" drive format, is to guarantee the wall wart adapter is used to power the drive. Now, buy one of these kits. Plug the Kinamax Molex plug, into the AC adapter in this kit. Connect the Kinamax 40 pin data, to the Vantec adapter dongle 40 pin (3.5") interface. VANTEC CB-ISATAU2 SATA/IDE to USB 2.0 Adapter $20 http://www.newegg.com/Product/Product.aspx?Item=N82E16812232002 The reason that song and dance is necessary, is because the Vantec is set up to power 2.5" drives via the USB bus (which you don't want, since you've already proved the laptop doesn't have the power). By converting the drive interface to 3.5" IDE style connector, there is an opportunity to power from the AC adapter. ******* Another alternative, is to combine the 2.5" IDE drive, the Kinamax 44 pin to 40 pin adapter, plus a larger enclosure. The enclosure should be large enough to completely contain the goods inside. The only thing missing, is a method to fasten the drive to the housing. If you want a method of doing that, you can buy small adapter "sleds", to convert from one drive format to another. I use one of these for my DVD burner. I share it via USB, so that it can be connected to any of my USB2 computers, without having to fit every computer with its own new burner. This has IDE 3.5" interface, so the Kinamax adapter can be used to allow connecting a 44 pin 2.5" drive. This has a power switch on it as well, which I find convenient. http://www.newegg.com/Product/Product.aspx?Item=N82E16817604006 View of back, showing barrel power input http://images17.newegg.com/is/image/newegg/17-604-006-S03?$S640W$ Paul
From: Jan Alter on 24 May 2010 16:26 Here is a macally 2.5" external enclosure. It comes with the power cable I mentioned in the first post. http://www.newegg.com/Product/Product.aspx?Item=N82E16817347013 The link below will show you a picture of the cables that come with it. Looking at the center cable is the one you would want for power to the external enclosure from the USB to computer end http://www.newegg.com/Product/ImageGallery.aspx?CurImage=17-347-013-S05&SCList=17-347-013-S01%2c17-347-013-S02%2c17-347-013-S03%2c17-347-013-S04%2c17-347-013-S05%2c17-347-013-S06%2c17-347-013-S07&S7ImageFlag=2&Item=N82E16817347013&Depa=0&WaterMark=1&Description=macally%20PHRS250CC%202.5%22%20USB%202.0%20%26%201394%20External%20Enclosure Looking up the name of this cable in one of their manuals they call it a 'USB power cable'. By the way, the Macally enclosure I used as an example is for a SATA hdd, and you would need an IDE internal connector enclosure. -- Jan Alter bearpuf(a)verizon.net "Carl" <carl33(a)mailinator.com> wrote in message news:2cdb618a-cf07-42a9-9fcd-3442d5873389(a)o15g2000vbb.googlegroups.com... >> >It's a 2.5" USB drive enclosure. It doesn't have a plug for a power >> >adapter. >> >> In that case move the hdd to an external drive case that has an >> additional >> power plug recepticle on it. Make sure you find out what the internal >> connector is for your 2.5" hdd (IDE or SATA) >> >> As an example. With these drives you would need to purchase an additional >> power to USB cable, but it should certainly work if you have two USB >> ports >> available and one to use for a mouse. This one has an internal SATA >> connection. >> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16817145329 >> >> -- >> Jan Alter >> bear...(a)verizon.net > > That page says "There's no external power necessary either, since the > drive gets its power from your computer." I already have an external > drive case - that's how I'm accessing my 2.5 " IDE drive via a USB > port. > > I don't see any listing on E-Bay matching "wall wart USB socket" as > someone else here suggested (0 listings), and I don't see anything > relevant when searching for "power usb cable." What EXACTLY is it > called - a transformer you plug in the wall, and it has a cable with a > USB socket on the end of it. Thanks.
From: Carl on 24 May 2010 18:00 On May 24, 2:58 pm, Paul <nos...(a)needed.com> wrote: > Carl wrote: > >>> It's a 2.5" USB drive enclosure. It doesn't have a plug for a power > >>> adapter. > >> In that case move the hdd to an external drive case that has an additional > >> power plug recepticle on it. Make sure you find out what the internal > >> connector is for your 2.5" hdd (IDE or SATA) > > >> As an example. With these drives you would need to purchase an additional > >> power to USB cable, but it should certainly work if you have two USB ports > >> available and one to use for a mouse. This one has an internal SATA > >> connection. > > >>http://www.newegg.com/Product/Product.aspx?Item=N82E16817145329 > > >> -- > >> Jan Alter > >> bear...(a)verizon.net > > > That page says "There's no external power necessary either, since the > > drive gets its power from your computer." I already have an external > > drive case - that's how I'm accessing my 2.5 " IDE drive via a USB > > port. > > > I don't see any listing on E-Bay matching "wall wart USB socket" as > > someone else here suggested (0 listings), and I don't see anything > > relevant when searching for "power usb cable." What EXACTLY is it > > called - a transformer you plug in the wall, and it has a cable with a > > USB socket on the end of it. Thanks. > > There are other ways to get power to the drive. And you have to be > careful with the various adapter routes, because some of them are > *still* using the USB cable for power. > > To start with, I think this adapter is key to success. It converts > IDE 2.5" 44 pin, to a separate 40 pin IDE and a power connector. $8 > This allows you to *prove* how the drive is getting power. > > http://www.newegg.com/Product/Product.aspx?Item=N82E16812203012 > > Once you're using that adapter, the resulting interface looks like > a 3.5" drive. The purpose of me converting to 3.5" drive format, > is to guarantee the wall wart adapter is used to power the drive. > > Now, buy one of these kits. Plug the Kinamax Molex plug, into the > AC adapter in this kit. Connect the Kinamax 40 pin data, to the Vantec > adapter dongle 40 pin (3.5") interface. > > VANTEC CB-ISATAU2 SATA/IDE to USB 2.0 Adapter $20http://www.newegg..com/Product/Product.aspx?Item=N82E16812232002 > > The reason that song and dance is necessary, is because the Vantec > is set up to power 2.5" drives via the USB bus (which you don't want, > since you've already proved the laptop doesn't have the power). > By converting the drive interface to 3.5" IDE style connector, > there is an opportunity to power from the AC adapter. > > ******* > > Another alternative, is to combine the 2.5" IDE drive, the Kinamax > 44 pin to 40 pin adapter, plus a larger enclosure. The enclosure > should be large enough to completely contain the goods inside. > The only thing missing, is a method to fasten the drive to the > housing. If you want a method of doing that, you can buy small > adapter "sleds", to convert from one drive format to another. > > I use one of these for my DVD burner. I share it via USB, so that > it can be connected to any of my USB2 computers, without having > to fit every computer with its own new burner. This has IDE 3.5" > interface, so the Kinamax adapter can be used to allow > connecting a 44 pin 2.5" drive. This has a power switch on > it as well, which I find convenient. > > http://www.newegg.com/Product/Product.aspx?Item=N82E16817604006 > > View of back, showing barrel power input > > http://images17.newegg.com/is/image/newegg/17-604-006-S03?$S640W$ > > Paul Thanks. That's good info. Maybe you know something about this- The reason my drive is external is because my newer Thinkpad has a smaller capacity hard drive than my older Thinkpad. (I upgraded the old one's drive, and it's actually newer than the newer Thinkpad.) The drive doesn't fit it the newer thinkpad - it's the same size, and the pins line up, but there's this piece of plastic/metal just after the end of the pins that keeps it from fitting. (I was thinking - Drimmel tool - but I wouldn't dare.) My DVD-Burner from my older Thinkpad (also an upgrade) won't fit either, it's too big. My newer Thinkpad just has it's CD-Writer/DVD reader. There's a Thinkpad adapter that allows you to plug in the DVD-Writer into the PCMCIA slot, but it's $60, and too rare to find cheaper on E-Bay. I'd be interested in getting my DVD-Burner connected to the new (working) laptop, if it was cheaper than just buying a new burner. (It's called an UltraSlimBay Drive or something like that - different stuff can go in the same slot.)
From: mike on 24 May 2010 19:57 Carl wrote: > On May 24, 12:58 pm, Carl <car...(a)mailinator.com> wrote: >>>> It's a 2.5" USB drive enclosure. It doesn't have a plug for a power >>>> adapter. >>> In that case move the hdd to an external drive case that has an additional >>> power plug recepticle on it. Make sure you find out what the internal >>> connector is for your 2.5" hdd (IDE or SATA) >>> As an example. With these drives you would need to purchase an additional >>> power to USB cable, but it should certainly work if you have two USB ports >>> available and one to use for a mouse. This one has an internal SATA >>> connection. >>> http://www.newegg.com/Product/Product.aspx?Item=N82E16817145329 >>> -- >>> Jan Alter >>> bear...(a)verizon.net >> That page says "There's no external power necessary either, since the >> drive gets its power from your computer." I already have an external >> drive case - that's how I'm accessing my 2.5 " IDE drive via a USB >> port. >> >> I don't see any listing on E-Bay matching "wall wart USB socket" as >> someone else here suggested (0 listings), and I don't see anything >> relevant when searching for "power usb cable." What EXACTLY is it >> called - a transformer you plug in the wall, and it has a cable with a >> USB socket on the end of it. Thanks. > > I found some on E-Bay searching with "usb ac power supply." 14 cents with free shipping from china. How do they do it??? Check the specs carefully, You want one that can supply an amp. Most of them on ebay don't. Spend a buck more if you have to, but get at least an amp.
From: BillW50 on 24 May 2010 20:04
On 5/24/2010 6:57 PM, mike wrote: > 14 cents with free shipping from china. How do they do it??? Easy, the government of China pays the bill. You can get 1� USB card readers with free shipping from China too. -- Bill Thunderbird Portable 3.0 (20091130) |