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[REQUEST] Toshiba Satellite L300 (PSLB0x & PSLB1x) BIOS Unlock
#11
A very frightening thing happened: the BIOS was updated, the laptop rebooted, then rebooted again, initialized the devices (the DVD drive clicked), and then... silence (only the cooler makes a lot of noise) (HAHAHA!). I decided to wait (5 minutes) and then it happened... miracle: the laptop decided that it was too early to break down and decided to fix itself (restore the BIOS). How happy I was when I saw that the operating system booted up and the laptop started working!

As for the BIOS backup, I did it (but I'll say right away that the BIOS version remained 1.50), so this unofficial 1.60 is from another laptop (now I'm sure of it, nothing has flashed since 5 times). In my laptop, the new version, well, it won't work in any way - the BIOS will self-repair to version 1.50 (well, or a "brick", who knows).

So far, this is the result. And I'm just wondering if it's possible to unlock anything at all in this InsydeH20 BIOS, or is it all a waste of time? I will say one more thing, I have a BIOS revision (Revision) - Insyde 3.0. So it is possible that 1.60 is only suitable for 3.5 revisions of Insyde BIOS.

Something like that

Backup in attachment


Attached Files
.zip   Backup (rom file).zip (Size: 738.33 KB / Downloads: 1)
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quote
#12
Here is my BIOS info from CPU-Z if needed:


Attached Files
.txt   bios.txt (Size: 288.2 KB / Downloads: 4)
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quote
#13
I've compared B00daW's mod with official BIOS 1.50. It has only:
- repacked unchanged(!) DXE volume;
- updated microcode;
- changed version in $BVDT$ block.
So it's modded BIOS 1.50, not 1.60 *Unofficial*.
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quote
#14
But I think I don't need this BIOS. I will call it 1.60 BIOS.

OK, but is it possible to unlock ALL Insyde BIOS? Are there any restrictions in them? Because after looking at the file I made with CPU-Z (the file in my previous post), I found lines of solid zeros with... addresses "0000" to the address "2930" inclusive. I have two ideas:
1) Either it's left just like that (for future BIOS development)
2) Or you can add some "unlockers" of secret settings to these addresses.

I don't know. I almost dropped my hands from despair. I just would like to adjust the CPU cooling for myself - but no program can do this. In my experience, there was already a laptop with a similar problem: ASUS A42F, but there was an AMI BIOS, and it was very easy to unlock the settings I needed (to control cooling) in it and flash the modified BIOS even more. I also have 3 laptops - DELL Vostro 500, but everything is easily done there through SpeedFan and the inclusion of DELL laptop support, but nothing works in TOSHIBA in any way. So this laptop has led me to a dead end, but I don't want to give up just like that. Having studied the Internet, I will probably find something about unlocking the Insyde BIOS of old revisions (like I have 3.0 for example).

And really, maybe someone knows something about Insyde BIOS and unlocking secret and hidden settings in them from the average user? Although I can't deny it...

In general, I haven't given up on my original question yet and I won't give up while I still have an interest in such old devices as my laptop
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quote
#15
I have some news: I found these programs: "Universal IFR Extractor" and "UEFITool". I extracted this: "Section_PE32_image_SetupUtility_SetupUtility_body" using UEFITool from my BIOS, then converted it to "txt" format using Universal IFR Extractor, opened it and started looking for something that might be related to CPU fan control, and after a while found this:

Form: InsydeH2O Setup Utility, Form ID: 0x400 {01 06 00 04 93 00}
0x28A4C Selectable: Security, Form ID: 0xFFF4 {0F 0B F4 FF 58 00 94 00 00 00 00}
0x28A57 Subtitle: Thermal Trip Points Setting {02 04 71 02}
0x28A5B Subtitle:  {02 04 94 00}
0x28A5F Grayout If: {19 03 00}
0x28A62 Variable 0x169[1] equals 0x2 {12 07 69 01 01 02 00}
0x28A69 And {15 02}
0x28A6B Variable 0x16D[1] equals 0x1 {12 07 6D 01 01 01 00}
0x28A72 Setting: Fan On Temperature, Variable: 0x120[1] {05 09 20 01 01 73 02 74 02}
0x28A7B Option: 40 °C, Value: 0x28 {09 09 77 02 28 00 00 00 00}
0x28A84 Option: 45 °C, Value: 0x2D {09 09 78 02 2D 00 00 00 00}
0x28A8D Option: 50 °C, Value: 0x32 {09 09 79 02 32 00 00 00 00}
0x28A96 Option: 55 °C, Value: 0x37 {09 09 7A 02 37 00 00 00 00}
0x28A9F Option: 60 °C, Value: 0x3C {09 09 7B 02 3C 00 00 00 00}
0x28AA8 Option: 65 °C, Value: 0x41 {09 09 7C 02 41 00 00 00 00}
0x28AB1 Option: 70 °C, Value: 0x46 {09 09 7D 02 46 00 01 00 00}
0x28ABA Option: 75 °C, Value: 0x4B {09 09 7E 02 4B 00 00 00 00}
0x28AC3 End of Options {10 02}
0x28AC5 Setting: Throttle On Temperature, Variable: 0x121[1] {05 09 21 01 01 75 02 76 02}
0x28ACE Option: 40 °C, Value: 0x28 {09 09 77 02 28 00 00 00 00}
0x28AD7 Option: 45 °C, Value: 0x2D {09 09 78 02 2D 00 00 00 00}
0x28AE0 Option: 50 °C, Value: 0x32 {09 09 79 02 32 00 00 00 00}
0x28AE9 Option: 55 °C, Value: 0x37 {09 09 7A 02 37 00 00 00 00}
0x28AF2 Option: 60 °C, Value: 0x3C {09 09 7B 02 3C 00 00 00 00}
0x28AFB Option: 65 °C, Value: 0x41 {09 09 7C 02 41 00 00 00 00}
0x28B04 Option: 70 °C, Value: 0x46 {09 09 7D 02 46 00 00 00 00}
0x28B0D Option: 75 °C, Value: 0x4B {09 09 7E 02 4B 00 00 00 00}
0x28B16 Option: 80 °C, Value: 0x50 {09 09 7F 02 50 00 00 00 00}
0x28B1F Option: 85 °C, Value: 0x55 {09 09 80 02 55 00 01 00 00}
0x28B28 Option: 90 °C, Value: 0x5A {09 09 81 02 5A 00 00 00 00}
0x28B31 End of Options {10 02}
0x28B33 End If {18 02}
0x28B35 Suppress If: {0A 03 00}
0x28B38 Variable 0x169[1] equals value in list (0x1, 0x3, 0x4) {14 0D 69 01 01 03 00 01 00 03 00 04 00}
0x28B45 Or {16 02}
0x28B47 Variable 0x16D[1] equals 0x0 {12 07 6D 01 01 00 00}
0x28B4E Text:  {03 0B 94 00 94 00 94 00 04 00 00}
0x28B59 End If {18 02}
0x28B5B End Form {0B 02}

These fields are actually invisible, so I need to figure out how to make them visible. Does anyone know how to do this?
It seems to me that a little more and I will reach my goal!

Hmmm, maybe you'll need this "txt" file... Here it is (in the attachment)


Attached Files
.txt   Section_PE32_image_SetupUtility_SetupUtility_body IFR.txt (Size: 158.26 KB / Downloads: 2)
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quote
#16
bios-20081106121710.zip
The fields should be visible in this one.
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quote
#17
It WORKS!
Thank you, Maxinator500!
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