the i5-4690k does not allow overclocking
the i5-4690k does not allow overclocking
I own an ASUS Z87-PRO with the latest BIOS update and an i5-4690K processor. Despite my efforts, it consistently runs at 3501 MHz. I've successfully overclocked multiple systems without issues, but this one is causing frustration. ASUS hasn't provided any assistance. I've experimented with every setting in the BIOS without success. While I can trigger crashes by increasing BCLK, I'm unable to use ASUS's AI Suite due to my Linux OS. Have others faced similar problems? Any suggestions or guidance would be greatly appreciated.
Consider increasing the vCore by setting the CPU voltage to 1.2, adjusting the multiplier to 42, and observing the effects.
Are there power-saving options in your Linux distribution? Even with a 4.8 GHz clock speed, the system operates at around 0.8 GHz unless you increase the workload (which activates power saving). On that board, I recommend setting these parameters for a 43 multiplier:
- 1-Core Ratio Limit = 43
- Max. CPU Cache Ratio = Auto
- Min. CPU Cache Ratio = Auto
- Fully Manual Mode = Off
- Core Voltage = Adaptive
- Additional Turbo Mode CPU Core Voltage = 1.225
- Core Cache Voltage = Adaptive
- Additional Turbo Mode CPU Cache Voltage = Auto
- Eventual CPU Input Voltage = 1.88
- DRAM Voltage = Auto
I used a multiplier of 42 and a CPU voltage of 1.2 — the original issue still exists, the system caps at 3501 Mhz. I understand what I was aiming for (these are my attempts), but the BIOS doesn’t recognize the changes. I checked the longer list from JackNaylorPE; I could adjust most settings except "Fully Manual Mode = Adaptive," which didn’t appear. I also set the AI overclock tuner to Manual, though this seems confusing — the manual mode should let core ratio and BCLK auto-set, but it doesn’t. The BIOS shows a max of 3517MHz, while the OS reports 3501 MHz. Both indicate the problem: settings are accepted but not applied. It looks like there’s something missing to force the BIOS to use alternate configurations. I’m sure someone has faced this with the ASUS Z87-PRO and the i5 4690K — any advice would be appreciated.
Under what conditions is this observed? The discrepancy of 3500 versus the expected 800 might stem from using Fully Manual Mode. You'll need to introduce a workload on the CPU; otherwise, the system won't apply the overclock settings while idle. Use RoG RB to generate a load and HWiNFO to track the process.
http://rog.asus.com/forum/showthread.php...load-Links
http://www.hwinfo.com/download.php
This could be useful... although it applies more to Asus Z87 BIOS rather than your board. The settings shown don't match the recommendations for your OC (44 CPU Multi / 44 Cache Multi). I added Favorites to the page for easier access to these configurations... Refer to Image 1 below.
AI Overclokc Tuner = XMP
1-Core Ratio Limit = 43 Image
Max. CPU Cache Ratio = Auto
Min. CPU Cache Ratio = Auto
Fully Manual Mode = Disabled
Core Voltage = Adaptive
Extra Turbo Mode CPU Core Voltage = 1.225
Core Cache Voltage = Adaptive
Extra Turbo Mode CPU Cache Voltage = Auto
Eventual CPU Input Voltage = 1.88
DRAM Voltage = Auto
I've been working with a multi-threaded complex document tool that consumes all four cores for about thirty minutes as my benchmark. This is why I designed it this way. Since it's a Linux machine, I can't install Windows apps. I'll go through the BIOS steps you provided (they're excellent) and double-check everything. If I still don't see any improvement, I'll switch to a Windows license and run it in a VM using your load and monitoring tips. I really don't want to waste more money on this setup, so I'm planning to try it with my production workload first.
Thanks for your assistance.
I reviewed each BIOS screen and adjusted the same setting in BIOS. Minor variations appeared, but they seemed insignificant except for the fact that I lack a fully manual mode and no clear alternative. All configurations were accepted, and the system restarted smoothly without BSOD or overheating (temperature at 34 degrees). Under load, the frequency remained consistent at 3501 MHz. When I installed Windows 7 inside VirtualBox and used HWiNFO32 to monitor, the output was:
HWiNFO32 Version 5.22-2820
VM-W7-32 ------------------------------------------------------------------
[Current Computer]
Computer Brand Name: innotek GmbH VirtualBox
[Operating System]
Central Processor(s) ------------------------------------------------------
[CPU Unit Count]
Number Of Processor Packages (Physical): 1
Number Of Processors Cores: 1
Number Of Logical Processors: 1
Intel Core i5-4690K -------------------------------------------------------
[General Information]
Processor Name: Intel Core i5-4690K
Original Processor Frequency: 3500.0 MHz
CPU ID: 000306C3
CPU Brand Name: Intel® Core™ i5-4690K
CPU @ 3.50GHz
CPU Vendor: GenuineIntel
CPU Stepping: C0
CPU Code Name: Haswell-DT Refresh
CPU S-Spec: SR1QG
CPU Power Limits (Max): Power = Unlimited, Time = Unlimited
CPU Type: Production Unit
CPU Platform: Socket H3 (LGA1150)
Microcode Update Revision: 19
Number of CPU Cores: 4
Number of Logical CPUs: 4
[Operating Points]
CPU LFM (Minimum): 3500.0 MHz = 35 x 100.0 MHz
CPU HFM (Maximum): 3500.0 MHz = 35 x 100.0 MHz
CPU Turbo: 3800.0 MHz = 38 x 100.0 MHz [Locked]
CPU Current: 3500.0 MHz = 16 x 218.8 MHz @ 0.9731 V
Number of Overclocking Bins: 4
[Cache and TLB]
L1 Cache: Instruction 4 x 32 KBytes, Data 4 x 32 KBytes
L2 Cache: Integrated 4 x 256 KBytes
L3 Cache: 6 MBytes
Instruction TLB: 2MB/4MB Pages, fully associative, 8 entries
Data TLB: 4 KB Pages, 4-way set, associative, 64 entries
I haven’t managed to run RealBench because it crashed; I need the 32-bit version. It’s not uncommon to face this issue, especially with a single-core virtual machine, so I’m not overly concerned.
My main concern is the HWiNFO32 report indicating a turbo frequency of 3800 [locked] — does this mean my processor is locked even though it’s a 4690K? Any guidance would be greatly appreciated — this is quite challenging!
I've been testing a multi-threaded complex document maker that uses all four cores for 30 minutes as my benchmark. This was the reason I designed it this way. Since it's running on a Linux machine, I can't install Windows programs. I'll go through the BIOS screens you shared (thank you!) and double-check everything. If I still don't see any improvement, I'll switch to a Windows license and run it in a VM, using your load and monitoring tips. I really don't want to waste more money on this setup, so I'll try my production workload first.
Thanks for your assistance.
The RealBench tools work well on Linux too, even though you seem familiar with Linux benchmark utilities. I use RB on Windows because it supports all modern instruction sets.
http://rog.asus.com/forum/showthread.php...593cc06b2e
Included subprograms are:
GIMP (GPL licensed)
Handbrake (GPL licensed)
Blender (GPL licensed)
7zip (LGPL licensed)
VLC (GPL licensed)
Luxmark (GPL licensed)
Full Manual Mode might not appear unless one of the earlier configurations is exact... or it could be a setting only available on higher-priced Asus boards.
However, from your HWiNFO report, it seems like the CPU multiplier is locked, preventing Turbo mode. Linux fully supports SpeedStep since kernel 2.6.
Did you start fresh after seeing "All Settings to default"? If overclocking settings are set to "Manual" and others are disabled, this stops downclocking via Windows Power Saving features. I have no idea how or if these settings are affected in Linux.
Other than resetting everything and adjusting just those settings, I'm a bit stuck.
Where can I find the Ai Overclock Tuner, SpeedStep, and Turbo mode options?
I followed your recommendation to revert to defaults, then executed HWiNFO32. The key section is:
Intel Core i5-4690K -------------------------------------------------------
[General Information]
Processor Name: Intel Core i5-4690K
Initial Processor Frequency: 3500.0 MHz
CPU ID: 000306C3
Brand: Intel® Core™ i5-4690K CPU @ 3.50GHz
Vendor: GenuineIntel
Stepping: C0
Code Name: Haswell-DT Refresh
S-Spec: SR1QG
Power Limits: Unlimited time, unlimited duration
Type: Production Unit
Platform: Socket H3 (LGA1150)
Microcode Version: 19
CPU Cores: 4
Logical CPUs: 4
[Operating Points]
Minimum LFM: 3500.0 MHz = 35 x 100.0 MHz
Maximum HFM: 3500.0 MHz = 35 x 100.0 MHz
Turbo Frequency: 3800.0 MHz = 38 x 100.0 MHz [locked]
Current Voltage: 3500.0 MHz = 16 x 218.8 MHz @ 0.9731 V
Overclocking Bins: 4
[Cache and TLB]
L1 Cache: 4 x 32 KBytes, Data: 4 x 32 KBytes
L2 Cache: Integrated 4 x 256 KBytes
L3 Cache: 6 MBytes
Instruction TLB: 2MB/4MB pages, fully associative, 8 entries
Data TLB: 4 KB pages, 4-way set associative, 64 entries
It seems the default values still reference turbo as locked. I modified in Advanced mode:
Ai Overclock tuner to XMP
CPU Core Ratio to Sync All Cores
Limit all (1-4) Core Ratios at 42
DRAM Frequency: DDR3-1600MHz
Core Voltage: Adaptive
Turbo Core Voltage: 1.25
Adaptive Core Voltage: 1.25
Cache Voltage: Adaptive
Turbo Core Cache Voltage: 1.25
Total Adaptive Mode Voltage: 1.25
DRAM Voltage: 1.50000
After these adjustments, I restarted and ran HWiNFO32 once more. The results remained consistent.
I see that you are in the Info section and this is what mine say:
[Operating Points]
CPU LFM (Minimum): 800.0 MHz = 8 x 100.0 MHz
CPU HFM (Maximum): 3500.0 MHz = 35 x 100.0 MHz
CPU Turbo: 4500.0 MHz = 45 x 100.0 MHz [Unlocked]
CPU Current: 4499.9 MHz = 45 x 100.0 MHz @ 1.3212 V
Uncore Maximum: 4200.0 MHz = 42.00 x 100.0 MHz
Uncore Current: 4199.9 MHz = 42.00 x 100.0 MHz
Look at the following ... is everything "supported":
[IA Overclocking]
Voltage Offset: Supported
Voltage Override: Supported
Ratio Overclocking: Supported
Fused Ratio Limit: 80x
Voltage Mode: Adaptive
Voltage Offset: 0 mV
Target Voltage: 1320 mV
[GT Overclocking]
Voltage Offset: Supported
Voltage Override: Supported
Ratio Overclocking: Supported
Fused Ratio Limit: 57x
Voltage Mode: Adaptive
Voltage Offset: 0 mV
When you start up HWinFO, check the "sensors only" check box... when i do this all my cores are at 798.1 MHz. When I start ROG Real bench, everything pops up to 4500