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pclab
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Samsung 1.8"

Fri May 15, 2015 1:46 pm

Hey guys

Got this USB Samsung HS25YJZ that takes a while to be detected, but after a few minutes it finally does ID, but no full LBA as you can see on the picture.
Do you guys know the points to change to SATA? The PCB is a BF41-00289A.
Or is it necessary a SATA PCB?

Thanks
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jol
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Re: Samsung 1.8"

Sat May 16, 2015 5:31 pm

can you upload a pic. ?

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pclab
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Re: Samsung 1.8"

Sat May 16, 2015 5:38 pm

From the PCB?
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jol
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Re: Samsung 1.8"

Sat May 16, 2015 5:47 pm

of course (from what else can need a pic.)

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w.simon
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Re: Samsung 1.8"

Sun May 17, 2015 4:30 pm

Picture of a nice girls can be fun too :F

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pclab
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Re: Samsung 1.8"

Mon May 18, 2015 6:56 am

Sometimes the brain stops.... :mrgreen:

Here's the PCB photos.
Thanks
Attachments
Samsung PCB1.jpg
Samsung PCB1.jpg (1.51 MiB) Viewed 2718 times
Samsung PCB2.jpg
Samsung PCB2.jpg (1.67 MiB) Viewed 2718 times
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jol
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Re: Samsung 1.8"

Mon May 18, 2015 7:43 am

what is written on this chip ? (red arrow)
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Samsung PCB2.jpg
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pclab
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Re: Samsung 1.8"

Mon May 18, 2015 9:37 am

Hi Jol

It's: JM20335
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jol
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Re: Samsung 1.8"

Mon May 18, 2015 9:41 am

just want to write that i assume it's JM20335

JM20330- Serial ATA 1.5G to PATA Bridge Chip
"JM20335- Hi-Speed USB to PATA Bridge Chip"
JM20336- Hi-Speed USB & SATA II 3.0G Combo to SATA II 3.0G Bridge
JM20337- Hi-Speed USB to SATA & PATA Combo Bridge
JM20338- Hi-Speed USB & SATA Combo to PATA Bridge
JM20338 plus- Hi-Speed USB ,SATA & PATA Combo Bridge
JM20339- Hi-Speed USB to SATA Bridge
JMB360- PCIe to SATA II Host Controller
JMB361- PCIe to 1*SATA II and 1*PATA Host Controller
JMB362- PCIe to 2*SATA II Host Controller
JMB363- PCIe to 2*SATA II and 1*PATA Host Controller
JMB366- PCIe to 2*SATA II and 2*PATA Host Controller
JMB368- PCIe to 1*PATA Host Controller
JMB38X- PCIe to 1394A,card reader,card bus Host Con

Pinout

http://www.hardmaster.info/eng/articles/04-09-2012.html

Crosspatching of JM20335 PATA-USB bridge

jm20335_datasheet.jpg
jm20335_datasheet.jpg (64.89 KiB) Viewed 2711 times


Crosspatching of IDE (PATA) interface

jm20335_to_pata_scheme.jpg
jm20335_to_pata_scheme.jpg (49.27 KiB) Viewed 2710 times

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pclab
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Re: Samsung 1.8"

Mon May 18, 2015 4:48 pm

Holy crap. Need to solder 28 wires?!?
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