Difference between revisions of "Low level hardware analyze (not for beginners!)"
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(New page: === Fault finding on broken hardware === This checks can be preformed if the basic operation of the AMC card is still OK. <br\> First step is to disable the hardware watchdog. If the Alph...) |
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This checks can be preformed if the basic operation of the AMC card is still OK. <br\> | This checks can be preformed if the basic operation of the AMC card is still OK. <br\> | ||
| − | First step is to disable the hardware watchdog. If the AlphaCom software is not able to start then the hardware watchdog will | + | First step is to disable the hardware watchdog. If the AlphaCom software is not able to start then the hardware watchdog will continuously reset the card thus AlphaWeb is unavailable. |
* If the cards IP address is unknown cold boot the card | * If the cards IP address is unknown cold boot the card | ||
| − | * Try AlphaWeb login, if success do an | + | * Try AlphaWeb login, if success do an AlphaSys upgrade in case some files is corrupted. |
* If still not working do the hardware check listed bellow. | * If still not working do the hardware check listed bellow. | ||
| − | If no AlphaWeb/telnet available enable the Linux console | + | If no AlphaWeb/telnet available enable the Linux console dip switch and use the serial port for further tests. |
| − | The following test are done from | + | The following test are done from console login. Super user password required. |
== MBI test == | == MBI test == | ||
| + | |||
| + | The MBI version can be read by the following memedit. The version number should be "02" | ||
| + | |||
| + | memedit -1 0x56000300 16 | ||
| + | |||
| + | 56000300: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "................" | ||
| + | 56000310: | ||
== SBI test == | == SBI test == | ||
| + | |||
| + | Read SBI on first board position. The value "ac" should be seen in byte 2. | ||
| + | memedit -1 0x57008100 16 | ||
| + | 57008100: 01 ac 00 00 00 00 08 01 00 00 00 00 00 00 00 00 | ||
| + | |||
| + | Read SBI on amcd card in board position 25. "03 ac" should be seen. | ||
| + | memedit -1 0x570c8100 16 | ||
| + | 570C8100: 03 ac 03 01 00 00 00 01 00 00 00 00 00 00 00 00 | ||
== DSP check == | == DSP check == | ||
Revision as of 12:59, 4 April 2008
Fault finding on broken hardware
This checks can be preformed if the basic operation of the AMC card is still OK. <br\> First step is to disable the hardware watchdog. If the AlphaCom software is not able to start then the hardware watchdog will continuously reset the card thus AlphaWeb is unavailable.
- If the cards IP address is unknown cold boot the card
- Try AlphaWeb login, if success do an AlphaSys upgrade in case some files is corrupted.
- If still not working do the hardware check listed bellow.
If no AlphaWeb/telnet available enable the Linux console dip switch and use the serial port for further tests.
The following test are done from console login. Super user password required.
MBI test
The MBI version can be read by the following memedit. The version number should be "02"
memedit -1 0x56000300 16
56000300: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "................" 56000310:
SBI test
Read SBI on first board position. The value "ac" should be seen in byte 2.
memedit -1 0x57008100 16 57008100: 01 ac 00 00 00 00 08 01 00 00 00 00 00 00 00 00
Read SBI on amcd card in board position 25. "03 ac" should be seen.
memedit -1 0x570c8100 16 570C8100: 03 ac 03 01 00 00 00 01 00 00 00 00 00 00 00 00