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CZAR
USA
17 Posts |
Posted - 10/18/2008 : 15:23:25
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I want to reprogram a PC bios chip but its not on the device list. Its a AMIC A25L40PU-F 8 pin dip chip. How can i add it?
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Edited by - CZAR on 10/19/2008 02:06:50
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Reply #1
ZLM
2945 Posts |
Posted - 10/18/2008 : 17:49:28
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Try to use W25X40 or SST25VF040 first. Ignor the ID first. If it works, then we can add this chip in. |
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Reply #2
CZAR
USA
17 Posts |
Posted - 10/18/2008 : 19:24:14
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quote: Originally posted by ZLM
Try to use W25X40 or SST25VF040 first. Ignor the ID first. If it works, then we can add this chip in.
I tried W25X40 and it seems to work ok. I did not try SST25VF040. |
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Reply #3
ZLM
2945 Posts |
Posted - 10/18/2008 : 20:56:41
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Good.
For now, add following lines into the devices.txt
Name="A25L40P",ID="372013",Class="W25X10",Category="SERIAL_EPROM",MFG="AMIC",Vcc="3.6V",CodeSize="524288";
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Reply #4
CZAR
USA
17 Posts |
Posted - 10/19/2008 : 02:03:59
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quote: Originally posted by ZLM
Good.
For now, add following lines into the devices.txt
Name="A25L40P",ID="372013",Class="W25X10",Category="SERIAL_EPROM",MFG="AMIC",Vcc="3.6V",CodeSize="524288";
I added that line to the devices.txt file but ID check failed. reads it ok but I can't ID it. |
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Edited by - CZAR on 10/20/2008 15:21:42 |
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Reply #5
CZAR
USA
17 Posts |
Posted - 10/21/2008 : 17:32:03
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Reply #6
ZLM
2945 Posts |
Posted - 10/22/2008 : 09:52:40
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What is the ID you got in pop-uped ID window ? |
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Reply #7
CZAR
USA
17 Posts |
Posted - 10/22/2008 : 15:08:26
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Reply #8
ZLM
2945 Posts |
Posted - 10/23/2008 : 10:54:09
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Click on the ID button, not read/write button. |
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Reply #9
CZAR
USA
17 Posts |
Posted - 10/23/2008 : 12:53:17
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Reply #10
CZAR
USA
17 Posts |
Posted - 10/25/2008 : 00:16:40
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I guess all i got to do is change the ID to 7F3720 correct?
from this Name="A25L40P",ID="372013",Class="W25X10",Category="SERIAL_EPROM",MFG="AMIC",Vcc="3.6V",CodeSize="524288";
to this Name="A25L40P",ID="7F3720",Class="W25X10",Category="SERIAL_EPROM",MFG="AMIC",Vcc="3.6V",CodeSize="524288";
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Reply #11
ZLM
2945 Posts |
Posted - 10/25/2008 : 20:43:12
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Yes. You are correct.
Name="A25L40P",ID="7F3720",Class="W25X10",Category="SERIAL_EPROM",MFG="AMIC",Vcc="3.6V",CodeSize="524288";
The full chip ID should be "7F372013", but current software only read first 6 characters. This will fixed in the next software release. But this does not affect the chip other operations. |
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Reply #12
CZAR
USA
17 Posts |
Posted - 10/25/2008 : 23:39:33
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Works good thanks for all your help. |
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