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Solving issues with overclocking an AMD Athalon x4 860k

Solving issues with overclocking an AMD Athalon x4 860k

M
Max846
Senior Member
474
02-03-2025, 01:02 PM
#1
I'm just starting out with overclocking and wanted to give it a shot. I watched a few YouTube videos and decided to raise my CPU from 4700 to 4800 MHz. But right away, the screen went black and my K70 keyboard gave me quite a shock. I had to restart and try again, then I increased the voltage, but it still didn't work except for one flash before it disappeared completely. I'm a bit confused and stuck now—any advice?
M
Max846
02-03-2025, 01:02 PM #1

I'm just starting out with overclocking and wanted to give it a shot. I watched a few YouTube videos and decided to raise my CPU from 4700 to 4800 MHz. But right away, the screen went black and my K70 keyboard gave me quite a shock. I had to restart and try again, then I increased the voltage, but it still didn't work except for one flash before it disappeared completely. I'm a bit confused and stuck now—any advice?

J
jbradical123
Member
131
02-09-2025, 05:10 AM
#2
How much can you achieve just by increasing the CPU multiplier (CPU Ratio in your BIOS) by itself?
@ Delaro
The person asking is trying to boost performance without changing other settings.
They suggest setting the Multiplier in BIOS to its highest stable value, noting that 4.4ghz might be the limit.
They recommend adjusting the CPU voltage via Overdrive tweaks to discover the maximum stable frequency, warning it can become unstable quickly.
They also advise fine-tuning RAM timing and voltages to the highest stable frequency, suggesting starting with 2133mhz RAM to avoid complications.
They point to previous advice and continue with similar steps.
J
jbradical123
02-09-2025, 05:10 AM #2

How much can you achieve just by increasing the CPU multiplier (CPU Ratio in your BIOS) by itself?
@ Delaro
The person asking is trying to boost performance without changing other settings.
They suggest setting the Multiplier in BIOS to its highest stable value, noting that 4.4ghz might be the limit.
They recommend adjusting the CPU voltage via Overdrive tweaks to discover the maximum stable frequency, warning it can become unstable quickly.
They also advise fine-tuning RAM timing and voltages to the highest stable frequency, suggesting starting with 2133mhz RAM to avoid complications.
They point to previous advice and continue with similar steps.

B
BlooHD
Member
62
02-11-2025, 05:31 AM
#3
Restoring default configurations. Here are the specifications: board, PSU, etc.
B
BlooHD
02-11-2025, 05:31 AM #3

Restoring default configurations. Here are the specifications: board, PSU, etc.

B
Blossommm
Member
189
02-11-2025, 07:10 AM
#4
CPU - AMD Athalon x4 860k, clocked at 3700mhz (operates around 3950 during video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb plus several 1TB HDDs
PSU - EVGA 450W
B
Blossommm
02-11-2025, 07:10 AM #4

CPU - AMD Athalon x4 860k, clocked at 3700mhz (operates around 3950 during video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb plus several 1TB HDDs
PSU - EVGA 450W

M
Mudkip26
Junior Member
33
02-12-2025, 07:04 AM
#5
cooldude8530 :
Ok Here
CPU - AMD Athalon x4 860k - set at 3700mhz (but it runs at a maz of 3950 when video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb and a couple 1TB HDD's
PSU - EVGA 450W
Are you sure that isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU may be the weak link for OC'ing. So don't expect much while using it. Also, I don't see a CPU cooler listed. If you are using the stock cooler, you won't get very far.
Start by increasing the CPU clock multiplier one increment
in BIOS
. Save and boot to Win. Run a stress test using something like IBT at the default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Keep an eye on core temps. If all is good repeat...
Eventually, you will reach either the temp limit or an unstable IBT result. If temps are OK, go back into BIOS and increase the vcore by as small am amount as allowed. Test again. Vcore can safely go up to 1.5v.
M
Mudkip26
02-12-2025, 07:04 AM #5

cooldude8530 :
Ok Here
CPU - AMD Athalon x4 860k - set at 3700mhz (but it runs at a maz of 3950 when video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb and a couple 1TB HDD's
PSU - EVGA 450W
Are you sure that isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU may be the weak link for OC'ing. So don't expect much while using it. Also, I don't see a CPU cooler listed. If you are using the stock cooler, you won't get very far.
Start by increasing the CPU clock multiplier one increment
in BIOS
. Save and boot to Win. Run a stress test using something like IBT at the default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Keep an eye on core temps. If all is good repeat...
Eventually, you will reach either the temp limit or an unstable IBT result. If temps are OK, go back into BIOS and increase the vcore by as small am amount as allowed. Test again. Vcore can safely go up to 1.5v.

T
TheBrianFox
Junior Member
4
02-18-2025, 01:18 AM
#6
clutchc :
cooldude8530 :
Ok Here
CPU - AMD Athalon x4 860k - set at 3700mhz (but it runs at a maz of 3950 when video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb and a couple 1TB HDD's
PSU - EVGA 450W
Are you sure that isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU may be the weak link for OC'ing. So don't expect much while using it. Also, I don't see a CPU cooler listed. If you are using the stock cooler, you won't get very far.
Start by increasing the CPU clock multiplier one increment
in BIOS
. Save and boot to Win. Run a stress test using something like IBT at the default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Keep an eye on core temps. If all is good repeat...
Eventually, you will reach either the temp limit or an unstable IBT result. If temps are OK, go back into BIOS and increase the vcore by as small am amount as allowed. Test again. Vcore can safely go up to 1.5v.
1. A78M-E45 V2 "MSI" Has no voltage options for O.C He will have to use Overdrive to control the voltage through Windows. It's possible to reach 1.55V this way he should hit 4.4GHz @ 1.3625V. This board does have a VRM cooler though you lack Voltage control in the Bios.
2. GA-F2A78M-HD2 "Gigabyte " Has no heat sink on the VRMs so I wouldn't even expect anything more than 4ghz being stable unless you point a fan directly at the VRM, 4.2ghz might be feasible with added cooling. The Bios does allow nearly full O.C control.
3. Power Supply.. I doubt this is a issue even with a heavy O.C with the rest of his hardware he will be lucky to pull 50% load.
T
TheBrianFox
02-18-2025, 01:18 AM #6

clutchc :
cooldude8530 :
Ok Here
CPU - AMD Athalon x4 860k - set at 3700mhz (but it runs at a maz of 3950 when video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
Ram - 8GB Crucial Balistics
Storage - Crucial 240gb and a couple 1TB HDD's
PSU - EVGA 450W
Are you sure that isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU may be the weak link for OC'ing. So don't expect much while using it. Also, I don't see a CPU cooler listed. If you are using the stock cooler, you won't get very far.
Start by increasing the CPU clock multiplier one increment
in BIOS
. Save and boot to Win. Run a stress test using something like IBT at the default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Keep an eye on core temps. If all is good repeat...
Eventually, you will reach either the temp limit or an unstable IBT result. If temps are OK, go back into BIOS and increase the vcore by as small am amount as allowed. Test again. Vcore can safely go up to 1.5v.
1. A78M-E45 V2 "MSI" Has no voltage options for O.C He will have to use Overdrive to control the voltage through Windows. It's possible to reach 1.55V this way he should hit 4.4GHz @ 1.3625V. This board does have a VRM cooler though you lack Voltage control in the Bios.
2. GA-F2A78M-HD2 "Gigabyte " Has no heat sink on the VRMs so I wouldn't even expect anything more than 4ghz being stable unless you point a fan directly at the VRM, 4.2ghz might be feasible with added cooling. The Bios does allow nearly full O.C control.
3. Power Supply.. I doubt this is a issue even with a heavy O.C with the rest of his hardware he will be lucky to pull 50% load.

F
Figalhutch
Member
57
02-21-2025, 12:41 AM
#7
Delalo :
Clutchc :
Cooldude8530 :
Alright here
CPU - AMD Athalon x4 860k - set to 3700mhz (but it operates around 3950 when doing video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
RAM - 8GB Crucial Balistics
Storage - Crucial 240gb plus a few 1TB HDDs
PSU - EVGA 450W
Are you certain this isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU might be the limiting factor for overclocking. Don’t expect much performance while using it. Also, no CPU cooler is visible. If you’re using the built-in one, progress will be slow.
Begin by adjusting the CPU clock multiplier in BIOS
. Save and restart to Windows. Execute a stress test with tools like IBT at default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Monitor core temperatures closely. If everything seems fine, continue...
You’ll likely hit the temperature cap or an unstable IBT result. If temps are acceptable, return to BIOS and tweak the vcore slightly lower than permitted. Retest. Vcore should stay within safe limits up to 1.5v.
1. A78M-E45 V2 "MSI" – No voltage control options for OC. You’ll need to rely on Overdrive to manage voltage via Windows. This setup can push it to around 1.55V, potentially achieving 4.4GHz at 1.3625V. The board includes a VRM cooler, but you lack BIOS voltage adjustment.
2. GA-F2A78M-HD2 "Gigabyte" – No heat sink on the VRMs, so stable performance up to 4GHz is unlikely unless you force cooling directly onto the VRM. At 4.2GHz it might work with extra fans. The BIOS supports nearly full overclock control.
3. Power Supply… I question this issue even with heavy OC. With the rest of his gear, he’ll be lucky to handle 50% load.
Yeah, it’s MSI – probably the wrong model, though voltage-wise my AMD Overdrive was at 1.425 as default, which still doesn’t solve the problem. It just causes a black screen with whatever voltage is applied, increasing by 100 Hz.
F
Figalhutch
02-21-2025, 12:41 AM #7

Delalo :
Clutchc :
Cooldude8530 :
Alright here
CPU - AMD Athalon x4 860k - set to 3700mhz (but it operates around 3950 when doing video rendering)
GPU - Nividia GT 740 OC edition
MoBo - Gigabiyte A78M-E45 V2
RAM - 8GB Crucial Balistics
Storage - Crucial 240gb plus a few 1TB HDDs
PSU - EVGA 450W
Are you certain this isn't an MSI motherboard?
https://us.msi.com/Motherboard/A78M-E45-...o-overview
Your PSU might be the limiting factor for overclocking. Don’t expect much performance while using it. Also, no CPU cooler is visible. If you’re using the built-in one, progress will be slow.
Begin by adjusting the CPU clock multiplier in BIOS
. Save and restart to Windows. Execute a stress test with tools like IBT at default settings:
http://www.majorgeeks.com/files/details/...ntest.html
Monitor core temperatures closely. If everything seems fine, continue...
You’ll likely hit the temperature cap or an unstable IBT result. If temps are acceptable, return to BIOS and tweak the vcore slightly lower than permitted. Retest. Vcore should stay within safe limits up to 1.5v.
1. A78M-E45 V2 "MSI" – No voltage control options for OC. You’ll need to rely on Overdrive to manage voltage via Windows. This setup can push it to around 1.55V, potentially achieving 4.4GHz at 1.3625V. The board includes a VRM cooler, but you lack BIOS voltage adjustment.
2. GA-F2A78M-HD2 "Gigabyte" – No heat sink on the VRMs, so stable performance up to 4GHz is unlikely unless you force cooling directly onto the VRM. At 4.2GHz it might work with extra fans. The BIOS supports nearly full overclock control.
3. Power Supply… I question this issue even with heavy OC. With the rest of his gear, he’ll be lucky to handle 50% load.
Yeah, it’s MSI – probably the wrong model, though voltage-wise my AMD Overdrive was at 1.425 as default, which still doesn’t solve the problem. It just causes a black screen with whatever voltage is applied, increasing by 100 Hz.

F
Fireano
Junior Member
45
02-24-2025, 04:56 PM
#8
How much distance can you achieve merely by increasing the CPU multiplier (CPU Ratio in your BIOS)?
F
Fireano
02-24-2025, 04:56 PM #8

How much distance can you achieve merely by increasing the CPU multiplier (CPU Ratio in your BIOS)?

R
140
02-25-2025, 08:55 AM
#9
How much can you achieve just by increasing the CPU multiplier (CPU Ratio in your BIOS)?
@ Delaro
The person asking is trying to boost performance without changing other settings.
They suggest setting the Multiplier in BIOS to its highest stable value, noting that 4.4ghz might be the limit.
They recommend adjusting the CPU voltage via Overdrive tweaks to discover the maximum stable frequency, warning it can become unstable quickly.
They also advise fine-tuning RAM timing and voltages to the highest stable frequency, suggesting starting with 2133mhz RAM to avoid complications.
They point to previous advice and continue with similar steps.
R
RabbitKiller99
02-25-2025, 08:55 AM #9

How much can you achieve just by increasing the CPU multiplier (CPU Ratio in your BIOS)?
@ Delaro
The person asking is trying to boost performance without changing other settings.
They suggest setting the Multiplier in BIOS to its highest stable value, noting that 4.4ghz might be the limit.
They recommend adjusting the CPU voltage via Overdrive tweaks to discover the maximum stable frequency, warning it can become unstable quickly.
They also advise fine-tuning RAM timing and voltages to the highest stable frequency, suggesting starting with 2133mhz RAM to avoid complications.
They point to previous advice and continue with similar steps.