ScotchBroth
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Joined: Wed May 27, 2015 7:34 pm

Seagate ST2000DL001 Terminal

Thu Jul 23, 2015 9:23 pm

I cannot for the life of me get terminal to show up on this Barracuda LP Drive. Does anyone have any tips?

I'm almost positive that the issue is with the ROM here, but I can't mess with it unless I have terminal. The drive will work for about 5 seconds/detect on PC3k and DDI and then go completely dead.

I am tearing my hair out over this.

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Jared
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Thu Jul 23, 2015 11:20 pm

Have you tried reading the ROM through boot ROM code and programming another PCB?

hddguy
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Re: Seagate ST2000DL001 Terminal

Fri Jul 24, 2015 5:54 am

Try disable MC and auto relocation from system file 0x93

ScotchBroth
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Re: Seagate ST2000DL001 Terminal

Fri Jul 24, 2015 1:57 pm

I'm not able to get it to show up on a known good LP drive either. I'm either doing something wrong (likely) or Seagate has terminal locked down for this model.

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lcoughey
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Re: Seagate ST2000DL001 Terminal

Fri Jul 24, 2015 3:01 pm

Can you post a picture of the front and back of this drive?

ScotchBroth
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Re: Seagate ST2000DL001 Terminal

Fri Jul 24, 2015 4:14 pm

Happy to

This is one of the donor drives that I got, not the patient drive.

Bottom:
Image


Top:

Image

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Jared
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Sat Jul 25, 2015 3:08 pm

Hehe, try flipping the ribbon cable around so the red stripe is on the other side. ;)

The terminal adapter is in right but the ribbon is flipped.

ScotchBroth
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Re: Seagate ST2000DL001 Terminal

Sun Jul 26, 2015 1:25 am

Oh geez.

I will swear that I tried every cable configuration possible, but when I tried what you said it came right up. I feel sheepish.

I call it lawnmower syndrome. When you're a kid your dad tells you to have the lawn mowed when he gets back, and try as you might you can't get it started. Dad comes home angry that you haven't don'e your chores, and because of your protestations he tries the mower. First pull. Mower on.

Now I've got this in case anyone is interested:

Rst 0x20M
RW: Disc Ctlr Initialization Completed.
FAIL Op=0165 Resp=0005
FAIL Op=0055 Resp=0005
FAIL Op=0900 Resp=0005
FAIL Op=0600 Resp=0005
FAIL Op=0055 Resp=0005
(P) SATA Reset
7ish second gap here
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010
LED:000000BD FAddr:00009010


I'm going to figure it out, but if anyone has any pointers they are more than welcome.

hddguy
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Re: Seagate ST2000DL001 Terminal

Sun Jul 26, 2015 12:54 pm

Pretty sure its media cache issue. You will need to find the right time to short. Probably just after calibration completes but before LED:BD error.

Just as an extra measure, I always read ROM to verify it is native. Pretty sure yours is native based on how much of terminal looks normal though.

ScotchBroth
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Re: Seagate ST2000DL001 Terminal

Mon Jul 27, 2015 6:57 pm

Many, many thanks to Jared and hddguy. This was exactly the issue. ROM was native. Had to figure out the read short pins, after that it took a few tries to get the timing right but got right in after that.

Thanks again hddguy!

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