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BIOS Unlock request for eMachines D620
#1
Hello all! I'm new in here.

My eMachines D620 has no option to enable AHCI in BIOS Menu.
I would like to enable it.
I'm interested in other options in hidden menu, too.
If you can, please unlock BIOS.
( I'm sorry for my poor English.)

System: eMachines D620-T1
BIOS: V1.03

Thanks all!
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#2
anyone?
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#3
Thanks for the request, I shall have a look and get back to you shortly.


"Many of life's failures are people who did not realize how close they were to success when they gave up." Smile
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#4
Thank you very much!!
I'm looking forward to your reply.
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#5
i have looked into your bios and found no AHCI option hidden for unlocking .


"Many of life's failures are people who did not realize how close they were to success when they gave up." Smile
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#6
Thank you very much for your checking.
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#7
You are welcome here Smile
also you can see all options hidden and not hidden inside your bios through phoenix bios editor in the strings tab and then you will see all options then let me knew what you need to unlock if anything is important for you but sure you will not find ahci as its not in this bios .


"Many of life's failures are people who did not realize how close they were to success when they gave up." Smile
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#8
Question 
Hello there!
I would like to know if it's possible to mod the bios to extend the RAM limit. If so, could you please explain how you do it or otherwise what i have to do?
Code:
Map of firmware memory ranges (from int 15h function E820h)

Address Size Type
=================== =================== =================
0x00000000`00000000 0x00000000`0009DC00 1 (memory)
0x00000000`0009DC00 0x00000000`00002400 2 (reserved)
0x00000000`000D0000 0x00000000`00030000 2 (reserved)
0x00000000`00100000 0x00000000`AFD80000 1 (memory)
0x00000000`AFE80000 0x00000000`0000E000 3 (ACPI Reclaim)
0x00000000`AFE8E000 0x00000000`00002000 4 (ACPI NVS)
0x00000000`AFE90000 0x00000000`00070000 2 (reserved)
0x00000000`AFF00000 0x00000000`00100000 2 (reserved)
0x00000000`B0000000 0x00000000`10000000 2 (reserved)
0x00000000`E0000000 0x00000000`10000000 2 (reserved)
0x00000000`FEC00000 0x00000000`00010000 2 (reserved)
0x00000000`FEE00000 0x00000000`00001000 2 (reserved)
0x00000000`FFF00000 0x00000000`00100000 2 (reserved)

Summary (in MB, ignoring partial MB):

Total memory: 2814
Memory above 4GB: 0
-Manufacturer: eMachines D620
-Motherboard Model: eMachines D620
-Bios revision: V1.03
-Bios Type: Phoenix
-Bios Download Link: http://global-download.gateway.com/GDFiles/BIOS/BIOS/BIOS_eMachines_1.03_A_D620.zip?acerid=633894478831391382&Step1=NOTEBOOK&Step2=D%20SERIES&Step3=D620&OS=ALL&LC=en&BC=EMACHINES&SC=PA_6E
In contrast to the latest bios revision the firmware of V1.01 have the following memory ranges:
Code:
Map of firmware memory ranges (from int 15h function E820h)

Address Size Type
=================== =================== =================
0x00000000`00000000 0x00000000`0009DC00 1 (memory)
0x00000000`0009DC00 0x00000000`00002400 2 (reserved)
0x00000000`000D0000 0x00000000`00030000 2 (reserved)
0x00000000`00100000 0x00000000`BFD80000 1 (memory)
0x00000000`BFE80000 0x00000000`0000E000 3 (ACPI Reclaim)
0x00000000`BFE8E000 0x00000000`00002000 4 (ACPI NVS)
0x00000000`BFE90000 0x00000000`00070000 2 (reserved)
0x00000000`BFF00000 0x00000000`00100000 2 (reserved)
0x00000000`C0000000 0x00000000`10000000 2 (reserved)
0x00000000`E0000000 0x00000000`10000000 2 (reserved)
0x00000000`FEC00000 0x00000000`00010000 2 (reserved)
0x00000000`FEE00000 0x00000000`00001000 2 (reserved)
0x00000000`FFF00000 0x00000000`00100000 2 (reserved)
0x00000001`00000000 0x00000000`30000000 1 (memory)

Summary (in MB, ignoring partial MB):

Total memory: 3838
Memory above 4GB: 768
If i'm understand well the memory limit above 4GiB was introduced intentionally.

Thanks in advance.
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#9
If the RAM is limited to 4GB ,then its limited by the hardware no the BIOS .
But if its limited to 4GB and it only recognize 3GB , then this means its limited by the BIOS through the TOLUD register ..... i don`y knew how to modify this register but i just knew its the problem .


"Many of life's failures are people who did not realize how close they were to success when they gave up." Smile
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#10
Hi, could you please unlock this bios ?

http://global-download.acer.com/GDFiles/BIOS/BIOS/BIOS_eMachines_1.03_A_D620.zip?acerid=633894478831391382&Step1=NOTEBOOK&Step2=D%20SERIES&Step3=D620&OS=ALL&LC=en&BC=EMACHINES&SC=PA_6E

Thanks in advance.
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