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Need help on haswell overclocking

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post #1 of 19 (permalink) Old 02-23-2020, 10:51 AM - Thread Starter
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Need help on haswell overclocking

I've recently read this forum post: https://www.overclock.net/forum/158-...onversion.html

OP claimed that it is possible on both mobile and desktop Haswell CPUs.
And he/she said that tested on desktop i5-4430 without altering reference clock.
I tried modding the BIOS microcode with my ASUS Z87-A and the BIOS CHIP was emptied by a bad flash using AFUWINx64.

I have a spare ASUS B85M-G and have got 2 haswell CPUs: i5-4440 and E3-1241 V3
This is the latest original unmodded BIOS of B85M-G on ASUS website: https://drive.google.com/open?id=1Ld...sQML3NtWuhxpBe
This is the BIOS modded by me:
https://drive.google.com/open?id=1qp...UCS_Rfxx1KD9YU

Is it possible for me to perform this microcode hack to unlock multiplier on these CPUs?
Can someone check for me if my modded BIOS is safe to flash?
What tools except AFUWINx64 should I use to flash? (As AFUWINx64 just erased my BIOS chip last time and failed to flash the one I modded.)
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post #2 of 19 (permalink) Old 02-23-2020, 11:34 AM - Thread Starter
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Can anyone check the .cap BIOS for me please? Lots of thanks.
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post #3 of 19 (permalink) Old 02-23-2020, 02:11 PM
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Quote: Originally Posted by basch006 View Post
Is it possible for me to perform this microcode hack to unlock multiplier on these CPUs?
No. Best you can hope for is top all core turbo, for instance running the E3-1241 V3 all core at a ratio of 39 instead of 37 which is something like a 5% increase for all core, 2.5% for 3 cores active and no change for 2 or less cores active. An SPI programmer with clip and voltage adapter can be found on the net for less than $10 and should be considered if BIOS modding. For help with mods maybe try Win-raid forum.

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post #4 of 19 (permalink) Old 02-23-2020, 03:39 PM - Thread Starter
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Quote: Originally Posted by ucode View Post
No. Best you can hope for is top all core turbo, for instance running the E3-1241 V3 all core at a ratio of 39 instead of 37 which is something like a 5% increase for all core, 2.5% for 3 cores active and no change for 2 or less cores active. An SPI programmer with clip and voltage adapter can be found on the net for less than $10 and should be considered if BIOS modding. For help with mods maybe try Win-raid forum.
So this microcode turbo hack is only for mobile haswells? The OP of that post claimed that he/she OCed a 4430 to 3.6GHz, is that a false report?
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post #5 of 19 (permalink) Old 02-23-2020, 03:45 PM
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Quote: Originally Posted by basch006 View Post
So this microcode turbo hack is only for mobile haswells? The OP of that post claimed that he/she OCed a 4430 to 3.6GHz, is that a false report?
Is 3.6 higher or lower than 3.9?

You could get a new BIOS chip for your A and do some BCLCKing, no?

125 should be doable. It does mess with Windows validation.

Nehalem-Haswell FSB OCing messes with Windows validation sometimes.

Last edited by Schmuckley; 02-23-2020 at 03:49 PM.
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post #6 of 19 (permalink) Old 02-23-2020, 03:55 PM - Thread Starter
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Quote: Originally Posted by Schmuckley View Post
Is 3.6 higher or lower than 3.9?

You could get a new BIOS chip for your A and do some BCLCKing, no?

125 should be doable. It does mess with Windows validation.

Nehalem-Haswell FSB OCing messes with Windows validation sometimes.
I've got a spare 4440 so it would be good if I have a second PC with 4440 @~3.8GHz.
If unlocking multiplier is possible then I won't need to mess with BCLK, as the side effect of BCLK is not worth it. The high bclk will wreak havoc on my PCIEs.

Also, if I am able to get my 1241v3 to 43x multiplier then it would be a lot better.
So what should I do this time if I really want to try this microcode hack? (AFUWINx64 failed last time and erased my chip)
Can anyone check if my BIOS is modded correctly?
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post #7 of 19 (permalink) Old 02-23-2020, 04:03 PM
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lol....ʚ♡⃛ɞ(ू•ᴗ•ू❁)

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Appears to be simply a renamed Maximus VI Hero ROM. Note that it lets you modify option ROMs for Intel networking, graphics, etc. and not much else. I would not advise flashing that file.

It may have been editted or changed with a Hex Editor as well with garbage data in the body of the image. UEFI Tool says: parseImageFile: Aptio capsule signature may become invalid after image modifications

Attached is an MMTool dump of the file for people more skilled than I to analyze.

I used to modify and flash the microcode on my 4790k; hope that's proof enough. That ASUS board has many, many hardware features that your laptop probably does not. You can modify the ROM of a Z87 Hero with UBU but the only reason to do so is to patch security leaks/ hard exploits.

Until August last year I ran a 4790k SiliconLottery 4.9GHz delid on that exact board so I know what I'm doing.
Attached Files
File Type: txt B85M-G-ASUS-3602.txt (32.1 KB, 3 views)

Big Blue?
(14 items)
Green
(12 items)
CPU
Ryzen 9 3900X @ 4.5GHz CCD0 1.375v VID OC, 4.2GHz CCD1- 1900Mhz fclk/uclk
Motherboard
ASUS ROG Crosshair VIII Hero BIOS 1201
GPU
EVGA GTX 1080ti FTW3 2025/5940MHz
GPU
EVGA GTX 1080ti FTW3 2025/5940MHz
GPU
EVGA RGB SLI HB Bridge
RAM
G.SKILL Flare X B-Die 3200 C14 @ 3800MHz C14-16-15-15-30-48 1T 1.475v GDM off
Hard Drive
Samsung 970 Evo 500GB m.2 2280 PCI-E NVMe SSD
Hard Drive
WD Black 2TB
Hard Drive
WD Blue 4TB
Hard Drive
WD Blue 6TB
Hard Drive
Samsung 840 Evo SATA 256GB
Power Supply
COOLERMASTER V1000 (Seasonic 1000w 80+ Gold)
Cooling
Arctic Cooling Liquid Freezer II 38mm 360mm AIO
Cooling
Anidées AI-AUREOLA RGB fans x7
Cooling
Prolimatech PK-3 Nano 30g tube
Case
Anidées AI CRYSTAL AR3 RGB Midtower
Operating System
Debian Linux 10
Operating System
Win10 X64 Pro 1903 (gaming only), stripped down, updates blocked, Firewalled.
Monitor
LG 34WN80C 34" 3440x1440 21:9 IPS, 300 nit, HDR
Keyboard
GMMK v2 104 key | Kailh Box Jades | HyperX PBT pudding (for now)
Keyboard
OCN Ducky DK1008 MX Blues
Keyboard
Corsair K70 Lux red led/MX Reds
Keyboard
Rosewill K85 RGB Kailh/Kaihua Blue switches
Keyboard
Ducky One 2 RGB fullsize
Mouse
Redragon Chroma M710 RGB (Omron Switches)
Mousepad
Corsair Polaris RGB
Audio
Logitech G230 red
Audio
Logitech Z2300 2.1 120w 8" sub, w/ 40w satellites
Other
Phanteks RGB 5050/Digital RGB strips
Other
Respawn Black/Gray Racing Chair
CPU
i5-7600k 5GHz 1.32v
Motherboard
ASUS ROG Z270H Strix
GPU
Sapphire R9 380X Nitro 1200/1500mhz
RAM
G.skill Ripjaws4 DDR4-3000 CAS15
Hard Drive
Western Digital Caviar Blue 320gb
Hard Drive
Samsung 850 Evo 256gb
Power Supply
OCZ ModXStream Pro 500w
Cooling
Corsair H60/PK-3
Case
Thermaltake Core V71
Operating System
Win10 Home
Monitor
2x ASUS V236H 1080p
Keyboard
Corsair K70 Lux Blue LED Cherry MX Blue
Mouse
Cooler Master
Mouse
Thermaltake GAMMA
CPU
FX-8350 stock
Motherboard
ASUS ROG Crosshair V Formula
GPU
Sapphire R5 230
RAM
G.skill TridentX DDR3 2400mhz
Hard Drive
WD Caviar Blue
Optical Drive
Lite On DVD-RW
Power Supply
OCZ ModXStream Pro 500W
Cooling
Cooler Master TX3
Cooling
Corsair SP120 Exhaust
Case
Corsair C70
Operating System
Win7 Ultimate X64
Monitor
ASUS V236H 1080p 23"
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post #8 of 19 (permalink) Old 02-23-2020, 04:11 PM - Thread Starter
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Quote: Originally Posted by neurotix View Post
Attachment 328632


Attachment 328634



Appears to be simply a renamed Maximus VI Hero ROM. Note that it lets you modify option ROMs for Intel networking, graphics, etc. and not much else. I would not advise flashing that file.

It may have been editted or changed with a Hex Editor as well with garbage data in the body of the image. UEFI Tool says: parseImageFile: Aptio capsule signature may become invalid after image modifications

Attached is an MMTool dump of the file for people more skilled than I to analyze.

I used to modify and flash the microcode on my 4790k; hope that's proof enough. That ASUS board has many, many hardware features that your laptop probably does not. You can modify the ROM of a Z87 Hero with UBU but the only reason to do so is to patch security leaks/ hard exploits.

Until August last year I ran a 4790k SiliconLottery 4.9GHz delid on that exact board so I know what I'm doing.
Thanks for helping and replying!

What should I do with the original rom so that it can achieve this?
this forum post: https://www.overclock.net/forum/158-...onversion.html

Or is it just impossible to perform on desktop?
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post #9 of 19 (permalink) Old 02-23-2020, 04:14 PM - Thread Starter
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Is AFUWINx64 the reason causing the BIOS chip be erased last time?
Should I use UBU or other tools to update the modded BIOS this time?
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post #10 of 19 (permalink) Old 02-23-2020, 04:31 PM - Thread Starter
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Quote: Originally Posted by neurotix View Post
Attachment 328632


Attachment 328634



Appears to be simply a renamed Maximus VI Hero ROM. Note that it lets you modify option ROMs for Intel networking, graphics, etc. and not much else. I would not advise flashing that file.

It may have been editted or changed with a Hex Editor as well with garbage data in the body of the image. UEFI Tool says: parseImageFile: Aptio capsule signature may become invalid after image modifications

Attached is an MMTool dump of the file for people more skilled than I to analyze.

I used to modify and flash the microcode on my 4790k; hope that's proof enough. That ASUS board has many, many hardware features that your laptop probably does not. You can modify the ROM of a Z87 Hero with UBU but the only reason to do so is to patch security leaks/ hard exploits.

Until August last year I ran a 4790k SiliconLottery 4.9GHz delid on that exact board so I know what I'm doing.
This is my UBU log
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Size:	19.7 KB
ID:	328638  

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