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[REQUEST] Asus eeepc 1025C
#31
(05-18-2014, 01:14 PM)madmark180 Wrote: I hope someone will do this soon, I'd love to run windows 64 bit with the 4gb I have installed. SSD upgrade and we've got a powerhouse!:-)

Verstuurd vanaf mijn GT-N7100 met Tapatalk
You & me both! I have Windows 7 Home Premium 64-bit installed with 4gb. of DDR3 ram and a Samsung 840 Pro Series SSD. Little 10 inch powerhouse it is.Big Grin
I would even be willing to donate/paypal some $ to whoever for their work.
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#32
Me too!:-)

Verstuurd vanaf mijn GT-N7100 met Tapatalk

Using Tapatalk
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#33
Hallo everybody and thanks for the work you've done on this.
I'm new here, this is my first post, and i've just bought a second hand 1025ce.
I'd like to install a 64bit OS, but i've no idea of the passages needed for the fixing of the bios, can someone post a step by step guide for this upgrade?
If that's not possible, i'd appreciate a link to some instructions about how to use the files posted by Xenon (I actually have no clue on their function).
Thank you again!
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#34
Hallo again.
I might have understood how to flash the bios, but what should i do withe the microcode file?
Is there anyone who can spend some minute to link good instructions? I'm searching on internet but i'd like to avoid the bricking of the pc whit incorrect procedure (or understanding).
Thanks
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#35
(04-14-2014, 06:24 AM)xenon Wrote: I got it! The culprit is the code that does this in BIOS: [MSR 0x122] |= 3;
So, just blank (NOP) out that piece of code in BIOS and have fun with x64. I don't have any experience with BIOS modding, but I am familiar with assembly language programming and almost everything in Intel SDM.
It took me quite some time to figure out there are 2 places to patch (for bootstrap processor and application processors).
Below are some notes to help you gain confidence that nothing fishy is being added. Use your hex editor compare function to compare between the BIOS file from Asus and my patched version.

Attached File(s)
.zip 1025C-ASUS-1301 x64.zip (Size: 1.03 MB / Downloads: 32)
.zip 1025C-ASUS-1301 x64 new ucode.zip (Size: 1.03 MB / Downloads: 44)
Why isn't it possible to attach already modded ROM? Many users just can't mod and disassemble.
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#36
(04-14-2014, 06:24 AM)xenon Wrote: I got it! The culprit is the code that does this in BIOS: [MSR 0x122] |= 3;
So, just blank (NOP) out that piece of code in BIOS and have fun with x64. I don't have any experience with BIOS modding, but I am familiar with assembly language programming and almost everything in Intel SDM.
It took me quite some time to figure out there are 2 places to patch (for bootstrap processor and application processors).
Below are some notes to help you gain confidence that nothing fishy is being added. Use your hex editor compare function to compare between the BIOS file from Asus and my patched version.

Original (starting point):
1025C-ASUS-1301.ROM
2097152 bytes
SHA-256: 73bae3b7e061e4d6054e70b0405150ed93258d39b5561bdfb902554edd3e0a4f

Code:
//32-bit mode
53 push ebx
6aff push 0xffffffff
53 push ebx
6a03 push 0x3
6822010000 push 0x122
e85c240000 call func    //NOP out this instruction
83c414 add esp,0x14


//32-bit mode    
b922010000 mov ecx,0x122    
0f32 rdmsr    
0c03 or al,0x3    
0f30 wrmsr    //NOP out this instruction

After NOP out the 2 locations with 0x90 (7 bytes in total),
SHA-256: af673c221dd145ea9faa495b5fac21d945541396a72cec3943ec1581e4a7167b

With that, you can enjoy your x64 system.
Optionally, you can update the microcode as well. I discovered Acer AOD270 BIOS has a newer version of the microcode.
In Asus 1025C (and old BIOS version of Acer AOD270): Version 0x010C, 2011-11-23
In Acer AOD270: Version 0x010D, 2011-12-22

With new microcode,
SHA-256: f568ec0f4ec31cc0a12b469a5092a233285bcfb018c6bdbd05a3ba5b765ad347

Note the hashes are on 2097152-byte ROM file, not zip file.

When I flash the modified ROM to my 1015CX eee pc, the Easy Flash Uility report "Model Name doesn't match!". After google "eeepc model name", it seem that the ROMID in ROM file doesn't match to bios' ROMID. Is it possible flash the 64bit ROM to my 1015CX? The hardware of 1015CX and 1025C is similar.
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#37
GMA 3600 x64 bit wise, there is some modded drivers here:

http://www.tutorialshour.com/2013/08/int...7-x64.html

Might help if they work
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#38
(05-16-2014, 07:50 PM)xenon Wrote:
(04-19-2014, 01:14 AM)debian2 Wrote: BIOS with new microcode works great. 1025c N2800. Anybody, please, activate hardware virtualization and EMT64 in 1301 BIOS. Ideally, BIOS 1301 with new microcode, EMT64 and VMX from previous reply. Good article: http://habrahabr.ru/post/152056
The MSR 0x3A is the official documented way of enabling/disabling and locking the VT-x usage. Based on experiments on Core i7 processor, after disabling and locking using MSR 0x3A, CPUID(1).ecx.bit5 will still reports VT-x is present in CPU, therefore SecurAble will show "Locked OFF". The case is different on my N2600: CPUID(1).ecx.bit5 is 0 and MSR 0x3A cannot be used to enable VT-x and SecurAble shows "No".
So check if SecurAble reports "Locked OFF" or "No" for your N2800. Unless you can find an N2600/N2800 showing "Locked OFF" (or equivalently CPUID(1).ecx.bit5=1), I can't do anything further.
Code:
debian@debian:~$ sudo rdmsr 0x3A
9
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#39
hi, sorry for my bad english, got activate EMT64, asus 1025ce-pik001b, 1025C-ASUS-1301 x64 new ucode.zip, good luck to all, greetings from Russia!
https://www.bios-mods.com/forum/attachment.php?aid=6423
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#40
Hey, this is my first post and I´m not at all experienced with bios modding. Yet I would love to enable x64 on my asus eeepc 1025c. I have the model with the Atom N2800, and currently run Ubuntu 14.04. I tried running Securable under Wine and it came up with 32-bit, Yes, No. Do I understand correctly that the process described on habrahabr.ru won´t work? Can I still use the files Xenon posted? (Which one do I use, and how do I use the file?)

Kind regards,
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