Help hacking and restoring AX-350II sakhr

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By Wild_Penguin

Champion (440)

Wild_Penguin's picture

07-04-2018, 21:13

Hi Ali,

It seems that the drive in question can be jumpered so that it uses DS0 instead. Also "RDY" signal should be available. No need to solder anything or dismantle a cable! See here:

http://jope.fi/drives/SAMSUNG-SFD321B-070103.pdf

Also this page seems to have tons of information about other drives, in case you have others drives to try out; maybe yours is mentioned here:

http://jope.fi/drives/

Hope this helps!

p.s. Please remember to tell which drive you are asking information about, when you ask a question. In general try give all relevant information, since it is quite difficult to follow long threads like this!

I noticed afterwards (from some of the pages previously in this thread) that one of the drives you tried is the Samsung sdf-321b you mentioned now. That drive has "opa" and "opb" jumpers somewhere, but these jumpers are drive specific. They are used to select the density, and should be "off", but it doesn't really matter if you close the "HD" hole on all disks you use. See the PDF I linked above, it has information about these jumpers.

By ali6x944

Expert (112)

ali6x944's picture

10-04-2018, 07:43

Wild_Penguin wrote:

Hi Ali,

It seems that the drive in question can be jumpered so that it uses DS0 instead. Also "RDY" signal should be available. No need to solder anything or dismantle a cable! See here:

http://jope.fi/drives/SAMSUNG-SFD321B-070103.pdf

Also this page seems to have tons of information about other drives, in case you have others drives to try out; maybe yours is mentioned here:

http://jope.fi/drives/

Hope this helps!

p.s. Please remember to tell which drive you are asking information about, when you ask a question. In general try give all relevant information, since it is quite difficult to follow long threads like this!

I noticed afterwards (from some of the pages previously in this thread) that one of the drives you tried is the Samsung sdf-321b you mentioned now. That drive has "opa" and "opb" jumpers somewhere, but these jumpers are drive specific. They are used to select the density, and should be "off", but it doesn't really matter if you close the "HD" hole on all disks you use. See the PDF I linked above, it has information about these jumpers.

Great news, so the only modifications should be RDY and DS0, DC should not be connected to pin 2?

By ali6x944

Expert (112)

ali6x944's picture

10-04-2018, 16:04

Sadly it didn't work at all no matter if I flip the connector or not...

By ali6x944

Expert (112)

ali6x944's picture

10-04-2018, 16:13

When trying to format or to save to disk the message shown would be disk error and disk offline respectively

By ali6x944

Expert (112)

ali6x944's picture

11-04-2018, 15:23

the disk spins indefinitely if the cable is plunged one way or dose not spin at all when plugged the other way...
also when it is always spinning the indicator light is always on.

By ali6x944

Expert (112)

ali6x944's picture

15-04-2018, 16:19

Wild_Penguin wrote:

Hi Ali,

It seems that the drive in question can be jumpered so that it uses DS0 instead. Also "RDY" signal should be available. No need to solder anything or dismantle a cable! See here:

http://jope.fi/drives/SAMSUNG-SFD321B-070103.pdf

Also this page seems to have tons of information about other drives, in case you have others drives to try out; maybe yours is mentioned here:

http://jope.fi/drives/

Hope this helps!

p.s. Please remember to tell which drive you are asking information about, when you ask a question. In general try give all relevant information, since it is quite difficult to follow long threads like this!

I noticed afterwards (from some of the pages previously in this thread) that one of the drives you tried is the Samsung sdf-321b you mentioned now. That drive has "opa" and "opb" jumpers somewhere, but these jumpers are drive specific. They are used to select the density, and should be "off", but it doesn't really matter if you close the "HD" hole on all disks you use. See the PDF I linked above, it has information about these jumpers.

I am really confused why the drive isn't working, I have read the links and they were very helpful...
but I wasn't able to make it work, I really need some help :(

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