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General questions for terminal Connection

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fabianf

Post subject: General questions for terminal Connection

Posted: August 10th, 2016, 11:04

Joined: April 3rd, 2015, 4:26
Posts: 60
Location: Germany

Hi,

im playing with some HDDs and the terminalconnections.
Just wanna see if i can connect to the terminal by USB to RS232.

Now Ive some questions, becaus i didnt found much on the web.

1. Is it possible to determine the baudrate with a software when I connected the HDD?
2. I often get chars like this one ▒ <- what does it mean?

Code:

▒▒▒՝▒jung
A▒▒5
    ▒▒▒b▒▒▒▒▒▒▒▒j
                 <Spi▒▒▒▒▒▒ 4439
▒Fl▒▒▒TgtCyl:  ` r0▒▒Hd:   0 Znz ▒▒▒Hd:   0 Zn:   1 C▒▒▒▒▒▒▒|
UI%Qe▒|  3 | 1 | ▒▒▒0 | B98B |
| 1S▒▒

3. CRT+Z wont work by any Harddisk. I tried CRT+Y (maybee its changes by german Keyboardlayout) but its the same...

Theres no matter if I connect it a bad HDD or a new one.
Maybee someone can give me some help to understand the terminalconnection better.

Thanks and best regards
Fabian

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rogfanther

Post subject: Re: General questions for terminal Connection

Posted: August 10th, 2016, 19:16

Joined: October 16th, 2013, 13:21
Posts: 713
Location: Brazil

Some of your errors can be due to missing the ground connection. Other are from the wrong serial port configurations.

Also, are you using a USB -> RS232 Serial adapter, or a USB -> TTL Serial adapter ? What I mean, are you using an adapter with a DB9 connector in one end and an usb connector at the other ? That would be the wrong adapter, you need one with TTL serial voltage levels. From memory, something with a CP2102 or CP2104 in ebay would do the job.

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fabianf

Post subject: Re: General questions for terminal Connection

Posted: August 11th, 2016, 2:51

Joined: April 3rd, 2015, 4:26
Posts: 60
Location: Germany

Hi Rogfanther,

thanks for ur reply.

Its a USB to TTL cable. Not USB to RS232 as i wrote. Sorry.

The squares came from the missing ground cable. I forgot to connect it. Now I get a better output by the Terminal from my bad drive I have here.

Code:

(“øRÔ`t Ha`do†– 02ºR§UtSHOS - Released on 2009/01/17 18:01 by jello.lee       
DRAM=16MB SoC=26A3
SHOS-(1AA14afM.a38)
L=00000000,00000000
<SpinOn_2>KeepSpinOn! 
RV Circuit Enabled
Temp : -9 degC 
SpinOk
mServoStatus1 00000003 
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:0
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:1
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:2
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:3
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:0
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:1
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:2
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:3
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:0
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:1
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:2
UF 3 1stGrayErr
Vel Parking!
PK_3   C:     0 H:3
Unlatch Fail
Vol Parking!
PK_4   C:     0 H:0
LED 1102
LED 1102
LED 1102
LED 1102
LED 1102
LED 1102

It seems like both heads are bad?

If I try to give some input with "CRTL+Z" nothing happens... it just posts LED 1102 LED 1102 again and again.

Is there something wrong in my configuration?

best regards
Fabian

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rogfanther

Post subject: Re: General questions for terminal Connection

Posted: August 11th, 2016, 10:31

Joined: October 16th, 2013, 13:21
Posts: 713
Location: Brazil

The configuration is right. But Ctrl-Z is for Seagate firmware. I think you have a Samsung one, even if it already says Seagate in the label.

Search the forum for terminal logs of Samsung drives

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jermy

Post subject: Re: General questions for terminal Connection

Posted: August 11th, 2016, 11:13

Joined: March 19th, 2015, 15:01
Posts: 1388
Location: isreal

1. Its a Samsung
2. Bad heads

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