Overclock.net › Forums › AMD › AMD Motherboards › overview of my understanding for the Phenom II subsystems (need verification)
New Posts  All Forums:Forum Nav:

overview of my understanding for the Phenom II subsystems (need verification)

post #1 of 13
Thread Starter 
Hi

( Referring to CROSSHAIR IV FORMULA [SB890FX] + Phenom II 1090T )

I read plenty of guides and my understanding is the following:
  1. The cpu/NB refers to the internal cpu controller (IMC) while the motherboard NB (890FX) is a different thing (and there is an individual voltage setting for each one).
  2. The memory bus and memory operating frequency is only related (as a bus) to the internal cpu/NB and there is a direct connection from that to the RAM.
  3. The motherboard NB (890FX) is only related to the HT frequency and can work up to 2600MHz (Up to 5200 MT/s ; HyperTransport™ 3.0 ) without having to touch its voltage.
    so only when HT increases more than 2600MHZ the motherboard NB (890FX) voltage has to be increased too.
  4. the cpu/NB frequency can never be lower than the HT frequency

Are all the above correct?

Thank you
Alex
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
post #2 of 13

Edited by Schmuckley - 2/18/13 at 4:00am
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
post #3 of 13
Thread Starter 
Quote:
Originally Posted by Schmuckley View Post

Not sure if I'm reading 2 and 3 correctly..but I believe there's summin' wrong in there.

eh..I s'pose it's all correct..set NB voltage to 1.26
maybe blow a fan onto the NB sink

Why should I increase the NB (SB890) voltage ?

Can you please elaborate on what seems to be wrong in what I wrote in points 2 and 3?
What I describe can be seen in the following image taken from http://www.tomshardware.com/reviews/amd-890fx-crosshair-iv-formula-890fxa-ud7,2640.html


And 990FX Motherboard for the 990 NB which is similar


The bus between the NB and CPU is HyperTransport 3 , that bus is not related to the RAM so unless the HT frequency increases to frequencies higher that what HT3 can support (>2600MHz) there is no need to raise the NB voltage and stress that chip.

If you keep the HT to around 2000MHz and overclock just the cpu/NB (RAM) frequency you are only dealing with the RAM specs and cpu/NB (IMC) specs so the tweaking involves just these component and maybe the cpu itself but I see no reason to change the voltage of the NB chip (SB890), am I missing something ?

Alex
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
post #4 of 13

Edited by Schmuckley - 2/18/13 at 3:59am
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
post #5 of 13
Thread Starter 
Quote:
Disregard Tom's;Learn how things really are.
That is what I'm trying but telling me to not care about the functional block representation of the chipset and the purpose of each block doesn't help me learn.

I would like to know if there is a purpose to raise a voltage, I only want to raise the NB voltage if there is a need to do so , not because someone else may have raised it too.

Alex
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
post #6 of 13
Thread Starter 
Quote:
Originally Posted by Schmuckley View Post

Here..look at this "Image" http://valid.canardpc.com/show_oc.php?id=2476900\

Have you disabled two cores in order to overclock the other four?
Your image shows a six core cpu operating with just four cores, I hardly consider this a successful overclock

Alex
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
Current system
(7 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q9550 OC @3655.3MHz ASUS P5Q-E ATI RADEON HD4670 OCZ2P10002G 
CoolingPowerCase
XIGMATEK HDT-S1283 Chieftec GPS-550AB Cooler Master Elite 
CPUMotherboardGraphicsRAM
phenom II x6 1090t asus crosshair iv formula SAPPHIRE RADEON HD6450 1GB G.SKILL F3-14900CL9D-8GBSR 
Cooling
Skythe Mugen 2 
  hide details  
Reply
post #7 of 13
You do not want to touch HT Link. Stock 2000. See last image on that thread.



The NB reported on CPU Z is actually the CPU/NB which means you need to increase CPU/NB voltage to make it stable at higher clocks. Thubans should go pretty high and you should do it because it nets tangible gains. Aim 2800 as modest, see how much higher it can go.

CPU/NB provides increased bandwidth to the CPU. It's the gatekeeper of incoming data to the CPU if you will.
http://www.overclock.net/t/555061/guide-am3-cpus-which-ram-speed-is-faster-and-which-cpu-nb-clock-is-best/0_100

As for overclocking this guide is bomb.

http://www.overclock.net/t/777378/official-gappos-little-deneb-thuban-overclocking-guide-with-too-many-smileys/0_100
post #8 of 13
I won't post anything else here biggrin.gif
Edited by Schmuckley - 2/18/13 at 4:09am
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
 
Thuban Powah!
(14 items)
 
 
CPUMotherboardGraphicsRAM
Xeon X5650 Asus P6X58D-E Sapphire HD 7950 G.Skill Trident-X 2600 CL10 
Hard DriveCoolingPowerCase
Samsung 840 pro Bong cooler / RASA waterblock Rosewill Capstone Gold 750 None 
MouseMouse PadAudio
cheap! Newegg box panel ibeats with onboard. 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1075T w/2 cores locked @ 4.2+ M4a89GTD-Pro XFX Radeon HD 5870 8gb Samsung ddr3 1600 11-11-11-28@ 8-8-8-24 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility2 40gb WD Blue 500GB Lite-On RASA waterblock 
OSMonitorKeyboardPower
Windows & Linux Samsung 1080p 2 ms Dell Thermaltake TR2-800 
CaseMouse
Cooler Master Elite 330 (was) cheap 
  hide details  
Reply
post #9 of 13
post #10 of 13
Quote:
Originally Posted by Schmuckley View Post

I won't post anything else here biggrin.gif

All your posts are blank.
Derp.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD Motherboards
Overclock.net › Forums › AMD › AMD Motherboards › overview of my understanding for the Phenom II subsystems (need verification)