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Why Windows 10 locks processor's base frequency to 2.39Ghz when i have 3Ghz cpu?

Go to solution Solved by Jurrunio,
32 minutes ago, onkar-gh said:

Any way to fix this @Jurrunio?

Raising the FSB, but if the board is indeed on 945 north bridge going past 266MHz FSB is considered an overclock and not guaranteed to be stable if work at all.

I have intel core2 duo E6850 with 3Ghz base frequency but after installing Windows 10 (had windows 7) the processor never goes upto that mark, even when I am running heavy apps like Andoid Studio the max frequency is about 2.4Ghz. The task manager shows the same as base frequency while the processor's actual base frequency is 3Ghz. Here is the screenshot of Task manager:

task manager snap

 

I checked the frequency using HWiNFO while running stress test (in case task manager showing wrong info) and here is the snap:

 

HWiNFO snap

I googled about it and have already tried following and NONE of it worked:

1. setting power option to high performance

2. changing max and min performance values of power plan

3. modifying start value of intelppm in registry to 4

4. running cmd command "ren intelppm.sys intelppm.sys.bak"

5. using throttlestop and unchecking "BD PROCHOT"

What works is that when I boot from linux live usb (Zorin OS) I was able to perform tasks and use upto that 3ghz frequency speed. I don't understand why Windows 10 cannot do that? Should install windows 7 again or perhaps linux?

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what board is this? It's running FSB at 266MHz rather than 333MHz the CPU is based on, effectively underclocking it.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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31 minutes ago, Jurrunio said:

what board is this? It's running FSB at 266MHz rather than 333MHz the CPU is based on, effectively underclocking it.

I really am not sure cause I couldn't find the model number but I think it is zebronics 945. Thanks, I did notice that before !!  I have all BIOS settings already to optimal defaults. I have BIOS AMI 8.00.15. I don't know much about that😬 Any way to fix this @Jurrunio?

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32 minutes ago, onkar-gh said:

Any way to fix this @Jurrunio?

Raising the FSB, but if the board is indeed on 945 north bridge going past 266MHz FSB is considered an overclock and not guaranteed to be stable if work at all.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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1 minute ago, Jurrunio said:

Raising the FSB, but if the board is indeed on 945 north bridge going past 266MHz FSB is considered an overclock and not guaranteed to be stable if work at all.

Thanks, I guess I have to overclock cause the PC is just too slow and I am running WSL2 and android studio like apps for educational purpose.

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9 hours ago, Jurrunio said:

Raising the FSB, but if the board is indeed on 945 north bridge going past 266MHz FSB is considered an overclock and not guaranteed to be stable if work at all.

Hi again @Jurrunio, SORRY for bothering again, but how do I raise FSB there is no option in BIOS for that I have AMI BIOS 8.00.15

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* thread moved to the Troubleshooting section *

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Introduction to Mechanical Keyboard

Spoiler

My Gaming Rig - Motherboard: MSI Z370-A PRO CPU: i7-8700 RAM: 32GB DDR4 2400(4x8GB) GPU: Gigabyte GTX 1060 3GB OS SSD: 240GB Avexir E100 Storage: 2x 1TB Seagate PSU: Seasonic G650 OS: Windows 10 Pro 64bits Monitor: Acer 21in G205H + Lenovo 21in

 

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10 hours ago, onkar-gh said:

Hi again @Jurrunio, SORRY for bothering again, but how do I raise FSB there is no option in BIOS for that I have AMI BIOS 8.00.15

AMI BIOS is customized by whoever made the board, possible that the board vendor didnt want the user to mess with such thing so they removed the option.

 

There sre old software like setFSB that you can try.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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