RADEON HD 5450 on a pci to usb3.0 dock

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Jay-118

Commendable
Apr 15, 2016
5
0
1,510
RADEON HD 5450 on a pci to usb 3.0. I put the drivers disk in and it wont do anything. is this possibly because it doesn't detect my card? im running the usb 3.0 back into a 34mm pci-e to a usb 3.0 conversion card. card works with usb 2.0 flash drives. the pci converter to usb 3.0 dock is powered by a molex to sata adapter which does power the card as it heats up rather quickly. I'm trying a VGA output on the card. said monitor does work as I've tested it. my laptop specs are as follows: Lenovo thinkpad T420, windows 10 pro 64Bit, Intel Core i7-2640M CPU @ 2.80GHz, DDR3: Size 16384 MBytes
Channels # Dual
DRAM Frequency 531.5 MHz,
mother board:
Manufacturer LENOVO
Model 4236AK9 (CPU),
Current Graphics: LCD 1600x900 on Intel HD Graphics 3000,
Hard drive: ST320LT007-9ZV142
Manufacturer Seagate
Im open to any suggestions.
 
Solution
k1114
You are most likely still going to overheat and have poor performance. Google shows it's a common issue for your model. It's not an easy disassembly but you can try to replace the thermal paste and make sure the cooler is secure. There maybe a tab that holds it down and that gets bent overtime so the cooler is not secure. That should solve the overheating and get you the performance you should have around a 5450 without spending money, or at least not very much since thermal paste is $3.

The pci would not work, you need pcie and you don't need to spend that much on a box. Typically a psu is used, decent ones goes for $25 and the cheapest adapter I see is $65.
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J

Jay-118

Commendable
Apr 15, 2016
5
0
1,510
Actually they are, size varies by laptop. 34, 38, and 54 mm and pci-Express is also known as an express card.

Pci-e/ Express card: http://www.newegg.com/Product/Product.aspx?Item=9SIA90839G1884

Graphics card: http://www.newegg.com/Product/Product.aspx?Item=N82E16814150565

USB 3.0 to pci http://www.newegg.com/Product/Product.aspx?Item=9SIA6703JY7590

and extension: http://www.newegg.com/Product/Product.aspx?Item=9SIA98M3A00984

there are many reasons why a separate card is better. HD 3000 is CPU based. Great if i want to burn out my CPU. Running a single game at lowest settings pushes my temperatures up to 90-110 degrees. an an HD 5450 is alot better. Most of the time Intel HD 3000 is using about 500 mb for graphics at max. The card? 1GB. Thats more than double what im pulling now, even more so when add the fact of HD 3000 being an extremly weak GPU.
 
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k1114

k1114

Titan
May 2, 2010
14,240
93
75,540
Pcie is not known by any other name and nor is expresscard. There are different form factors that use pcie protocols like m.2, satae, usb 3.1, tb, et al, but they are all separate standards and specs.

So you are going from expresscard > usb 3.0 cable > pcie x16 adapter. That is why it's not working. The pcie x1 to x16 riser uses a usb 3.0 cable but it does not use a usb signal through it, it's a pcie signal. But when you are using the expresscard, it is sending a usb signal so going to the pcie x16, it can't communicate with no pcie protocol. Expresscard is compatible with both usb and pcie protocols but it shares pins, meaning it has to switch between modes and nothing is ever converted. By it being a usb adapter, you are in usb mode and there is no way to get pcie from those usb ports. There are adapters that are expresscard to pcie and you'll need one of those if you want to use an egpu.

More vram does not mean more performance. It also does not mean it will even be used. http://www.tomshardware.com/reviews/gpu-hierarchy,4388.html We've got a chart but it's on the same tier since they are so close. The 5450 is an extremely weak gpu along with the hd 3000, which can use up to 1.7gb, but these gpus are just too weak to use much. The hd 3000 is better performance when fully clocked but I suspect with those temps, you are thermal throttling and resulting in worse performance. I can see why you'd want to try an egpu and assume you tried to save some money with buying all those parts separately.
 
Upvote 0 Downvote
k1114

k1114

Titan
May 2, 2010
14,240
93
75,540
You are most likely still going to overheat and have poor performance. Google shows it's a common issue for your model. It's not an easy disassembly but you can try to replace the thermal paste and make sure the cooler is secure. There maybe a tab that holds it down and that gets bent overtime so the cooler is not secure. That should solve the overheating and get you the performance you should have around a 5450 without spending money, or at least not very much since thermal paste is $3.

The pci would not work, you need pcie and you don't need to spend that much on a box. Typically a psu is used, decent ones goes for $25 and the cheapest adapter I see is $65.
 
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