Old name: Tbred B 1700+ DLT3C 2.5+ GHz air results
Overclocking a mobile Barton 2400+ to 2.6/2.7+ GHz on air (page 18)
Highest boot into XP is 2610 MHz at 1.98 V (including PCMark 2002)
1700+ DLT3C at 2.61 GHz (page 5)
Highest Sandra CPU: 9758 MIPS/3921 FLOPS, model rating 3306, PR rating 3785.
The CPU integer computing power is equivalent to P4 running at 3.34 GHz.
Highest Prime95/3DMark stable: 1700+ DLT3C 2.60 GHz (page 4)
2584/2595 MHz at 1.95-1.975 V, SLK-800U + Vantec Tornado @5700 rpm
Die temp: 38/27 C (die/system) loaded, 32/26 (die/system) idle
2539/2555 MHz at 1.94 V, SK7 + Vantec Tornado @5700 rpm 1700+ DLT3C 2.56 GHz (page 2)
Die temp: 40/27 C (die/system) loaded, 36/26 C (die/system) idle
Sandra CPU: 9556 MIPS/3837 FLOPS, model rating 3200+, PR rating 3700+.
Current operating point:
CPU clock: 2.54 GHz (203 x 12.5)
Vcore = 1.92 V +- 30 mV
Die temp: 48/28 C (die/system) Prime95, 40/26 C (die/system) idle, SLK-800U, TT SFII fan @4000 rpm
Other 24/7 operating points:
DLT3C 1700+ JIUHB 0310 XPMW
- 2.21 GHz stable 1.5V (default Vcore), 34/21 C (die/system) loaded, SK7 + TT SFII 3000 rpm fan
- 2.4 GHz stable 1.65V, 38/24 C (die/system) loaded, SK7 + TT SFII 3000 rpm fan
- 2.52 GHz stable (210x12), 1.875V, 48/28 C Prime95, 40/26 C idle, SK-7 + TT SFII 4700 rpm 1700+ DLT3C at 2.52 GHz (page 1)
DLT3C 1700+ JIUHB 0310 MPMW
- 2.50 GHz (227x11), 1.92V 42.5/20 C, NF7-S rev 2.0, SLK-847U TT SFII
- Prime95 24hr+ screen shot (few posts down)
DLT3C 1800+ JIXIB 0322 MPMW
- 2.55 GHz (221x11.5), 1.90V 47.5/23 C, NF7-S rev 2.0, SLK-847U TT SFII
- Prime95 24hr+ screen shot (few posts down)
Setup
With A7N8X-DLX motherboard (page 1)
Stepping XPMW 0310 (retail box, paid $64)
HSF: SK-7 + TT SF II --> SLK-800U + TT SF II / Vantec Tornado
PSU: Antec TP 430
MB: A7N8X-DLX rev 1.04
Bios: 1002A1 Uber
Memory: non-brand name 512MBx1 3500C2 5-3-2-2 @ 2.6V
Video card: Radeon 8500 128 MB
Vagp = 1.5 V
Vdd Chipset = (stock Vdd) 1.53 V (measured)
Vcore mod for higher Vcore (using fix resistor) (page 2)
9500np to 9700 Softmod and 3D Mark w/ Tbred B 1700+ DLT3C (page 7)
NF7-S rev 2.0 FSB_Sense 166 and 200 mod (from 133) test results (page 12)
NF7-S rev 2.0 FSB_Sense 166 and 200 mod (from 133) test results (part 2) (page 12)
Summary on overclocking the NF7-S rev 2.0 (with Tbred B 1700+ DLT3C and ...) (page 15)
Links to some posts
Basics
Relationship of clock, die temperature and voltage (update)
- What is the active power of a CPU at frequency f and voltage V
- How to estimate CPU static and active power
- Effect of die temperature on CPU clock frequency at a given Vcore
(page 13)
Relationship of clock, die temperature and Vcore
What is the active power of a CPU at frequency f and voltage V
How to estimate CPU static and active power
(page 2)
Effect of overclocking on CPU active power and current
What is the active power of a CPU at frequency f and voltage V
How many transistors, wires and capactors are there inside a CPU (page 13)
What are the value of C and R of a CPU for power estimation (page 14)
Effect of high Vcore and electromigration on CPU failure time (page 15)
What is channel length of a MOS transistor (page 16)
What is gate break-down voltage (page 16)
Why frequency and voltage are important for overclocking performance (page 19)
How does leakage current slow down future generations of chips (page 19)
Silicon on insulator (SOI), with introduction to bulk CMOS
Strained Silicon article from IBM
Strained Silicon article from Intel
Nice pictures and videos about Strained Silicon on SOI.
http://domino.research.ibm.com/comm/bios.nsf/pages/cmos-perf.html
Electromigration: Physics, effect of current density and temperature, testing, ...
http://www.eas.asu.edu/~schroder/Electromigration.pdf
http://www.cadence.com/whitepapers/electromigration.html
http://www.intel.com/technology/itj/q31998/articles/art_2.htm
General techniques
Summary for overclocking CPU and FSB (page 3)
How to interpret Sandra CPU benchmark, IPC and comparing with P4 (page 2)
Eliminating uncertainties for better overclocking (page 7)
Some numbers to determine max CPU overclocking frequency - Vcore vs temperature,
When do the CPU's slow down? (page 13)
Explanation (page 13)
Overclocking limit and cooling cost for different types of overclocking (page 13)
Overclocking frequency-Vcore break-even point for Tbred B/Barton (page 15)
Effect of high Vcore and electromigration on expected failure time for Tbred B/Barto (page 15)
General rules on voltage and temperature for CPU overclocking (page 16)
How to determine "highest" voltage and temperature for CPU overclocking (page 16)
Question: How much power is increased ...
how many watts does your cpu take up?
What is the probability of achieving certain level of overclocking (page 16)
Vcore vs processor frequency and cycle time (page 19)
What is CPU stability (page 19)
What is IPC and how to compare cycle or Hz for different CPU architectures (page 19)
Analogy for comparing CPU cycles (page 19)
How to read CPU temperature (page 19)
Cache and CPU performance (page 19)
CPU voltage: from stock to max absolute, from efficient overclocking to diminishing return (page 19)
On CPU life expectancy and tradeoff (page 19)
What is an ideal and safe temperature for overclocking (page 19)
Why high voltage is needed to run higher CPU frequency (and maybe higher FSB) (page 20)
Relationship between CPU frequency and temperature (page 20)
Voltage, temperature and frequency: the basic variables of overclocking (page 20)
A64, A64-FX, 754, 939 platform related
Remarks on A64 and various platforms (page 19)
Estimation and importance of 939 platform memory bandwidth (page 19)
Differences between the XP FSB and the A64 buses (separate memory bus and HyperTransport bus) (page 19)
Some remarks on cache latency, cache size, memory latecny and memory bandwidth (for A64's) (page 19)
A64 CPUs, chipsets, motherboards
Tbred B 1700+ DLT3C, Barton related
What are the differences between Palomino, Tbred A and Tbred B/Barton? (page 1)
Why the 1700+ can run so fast at low Vcore? (page 2)
Lower voltage, shorter transistor channel length, lower transistor threshold voltage and Tbred B 1700+/1800+DLT3C (page 15)
Power of Tbred B 1700+ DLT3C at 2.5GHz 1.9V (page 3)
Comparing power of Barton w/ 1700+ DLT3C (page 3)
Comparing Tbred B 1700+/1800+ DLT3C and Barton 2500+ overclocking performance, power and temperature (page 14)
What happens to programs running in CPU with smaller and bigger L2 cache (page 17)
FSB_Sense mod to set Tbred B default FSB from 133 to 166 (page 12)
FSB_Sense mod to set Tbred B default FSB from 133 to 200 (page 12)
Tbred B and Barton rated voltage, frequency, power, current, and capacitance, resistance model (page 14)
Comparing power, current, temperature of various Tbred B and Barton overclocked to 2.5 GHz (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of Tred B 1700+ DLT3C and a Barton 2500+ (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C for faster, slower chips (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C with different coolings (C/W) (page 14)
Impact of Tbred B 1700+/1800+ DLT3C or Barton 2500+ w/ locked multiplier on overclocking (page 18)
How to estimate max stable frequency at full load (for mobile Barton)(page 19)
Is it safe to run 2.1+ V on mobile Barton? (page 19)
Memory
Links to various posts on memory, FSB and CPU overclocking
RAS, CAS Timing and BIOS Memory Setting
Single Channel vs Dual Channel DDR Memory
Overclocking memory module(s) vs dual channel
256MB vs 512 MB vs 1GB, 1 module vs 2 modules
Dual Channel Memory (1 vs 2 sticks, sync vs async)
Dual Channel, Nforce2, P4 and AMD FSB
Some Benchmarks of CAS Latency on Overall Performance
Different RAS/CAS timing on memory latency (estimate)
What is cycle time and frequency
Frequency, clock, period of synchronous operations, latency
Latency
Analogy on Bus Speed, Bandwidth and Latency
Analogy for FSB, CAS2, CAS3 latency and bandwidth for DRAM memory
Memory bandwidth efficiency
Vcore
Max Vcore for Tbred B and Barton (page 5)
How much voltage can be applied to a CPU (page 5)
Effect of high Vcore and electromigration on CPU failure time (page 15)
Effect of high Vcore and electromigration on expected failure time for Tbred B/Barton (page 15)
What could damage a chip/CPU permanently? (page 15)
Air Cooling
Air cooling setup (page 2)
Temperature measurement and importance of HSF (page 5)
Impact of higher ambient temperature on CPU clock frequency (page 6)
Comparing some HSF's on CPU overclock frequency on air (page 6)
Comparing different HSF's and impact of ambient temperature on max CPU frequency (HSF 0.3 C/W) (page 6)
Comparing different HSF's and impact of ambient temperature on max CPU frequency (HSF 0.36 C/W) (page 7)
Ambient temperature from air cooling to water cooling (page 7)
Effect of lowering ambient air temperature on CPU overclocking (page 7)
PSU intake fan location & AMD Athlon System Cooling Guidelines (page 7)
SK7 or SK800?
Testing 4 fans w/ a SLK-947U on a Tbred B 1700+ DLT3C (page 16)
Comparing Tornado 80mm, Tornado 92mm and TT SFII (second test data) (page 17)
Recent high-end heat sink for socket A(page 19)
Fans(page 19)
Some remarks on case fans and cooling(page 19)
Power and current estimate, PSU requirements
What size PSU do I need? (page 6)
Some thoughts on choosing PSU for overclocking recent motherboard, CPU, GPU, ... (page 8)
Some test results on PSU with different ratings for overclocking (page 8)
Are the 9700 and 9800 using 5V for GPU Vcore? (page 14)
Which PSU line does AMD CPU run on (page 14)
On PSU and Fortron 530W testing (page 5)
Does this sound like a PSU problem?
Some useful links for AMD and Intel CPU's:
AMD Athlon? XP Processor Tech Docs
Data sheet for AMD Model 10 with 256 KB L2 Cache
Data sheet for AMD Model 10 (Barton)
Data sheet for AMD Model 8 (Tbred)
Intel® Pentium® 4 Processor
Data sheet for Intel P4 (1.4 - 2 GHz, 400 MHz system bus)
Data sheet for Intel P4 (2 - 3.2 GHz, HT, 533/800 MHz system bus)
Overclocking a mobile Barton 2400+ to 2.6/2.7+ GHz on air (page 18)
Highest boot into XP is 2610 MHz at 1.98 V (including PCMark 2002)
1700+ DLT3C at 2.61 GHz (page 5)
Highest Sandra CPU: 9758 MIPS/3921 FLOPS, model rating 3306, PR rating 3785.
The CPU integer computing power is equivalent to P4 running at 3.34 GHz.
Highest Prime95/3DMark stable: 1700+ DLT3C 2.60 GHz (page 4)
2584/2595 MHz at 1.95-1.975 V, SLK-800U + Vantec Tornado @5700 rpm
Die temp: 38/27 C (die/system) loaded, 32/26 (die/system) idle
2539/2555 MHz at 1.94 V, SK7 + Vantec Tornado @5700 rpm 1700+ DLT3C 2.56 GHz (page 2)
Die temp: 40/27 C (die/system) loaded, 36/26 C (die/system) idle
Sandra CPU: 9556 MIPS/3837 FLOPS, model rating 3200+, PR rating 3700+.
Current operating point:
CPU clock: 2.54 GHz (203 x 12.5)
Vcore = 1.92 V +- 30 mV
Die temp: 48/28 C (die/system) Prime95, 40/26 C (die/system) idle, SLK-800U, TT SFII fan @4000 rpm
Other 24/7 operating points:
DLT3C 1700+ JIUHB 0310 XPMW
- 2.21 GHz stable 1.5V (default Vcore), 34/21 C (die/system) loaded, SK7 + TT SFII 3000 rpm fan
- 2.4 GHz stable 1.65V, 38/24 C (die/system) loaded, SK7 + TT SFII 3000 rpm fan
- 2.52 GHz stable (210x12), 1.875V, 48/28 C Prime95, 40/26 C idle, SK-7 + TT SFII 4700 rpm 1700+ DLT3C at 2.52 GHz (page 1)
DLT3C 1700+ JIUHB 0310 MPMW
- 2.50 GHz (227x11), 1.92V 42.5/20 C, NF7-S rev 2.0, SLK-847U TT SFII
- Prime95 24hr+ screen shot (few posts down)
DLT3C 1800+ JIXIB 0322 MPMW
- 2.55 GHz (221x11.5), 1.90V 47.5/23 C, NF7-S rev 2.0, SLK-847U TT SFII
- Prime95 24hr+ screen shot (few posts down)
Setup
With A7N8X-DLX motherboard (page 1)
Stepping XPMW 0310 (retail box, paid $64)
HSF: SK-7 + TT SF II --> SLK-800U + TT SF II / Vantec Tornado
PSU: Antec TP 430
MB: A7N8X-DLX rev 1.04
Bios: 1002A1 Uber
Memory: non-brand name 512MBx1 3500C2 5-3-2-2 @ 2.6V
Video card: Radeon 8500 128 MB
Vagp = 1.5 V
Vdd Chipset = (stock Vdd) 1.53 V (measured)
Vcore mod for higher Vcore (using fix resistor) (page 2)
9500np to 9700 Softmod and 3D Mark w/ Tbred B 1700+ DLT3C (page 7)
NF7-S rev 2.0 FSB_Sense 166 and 200 mod (from 133) test results (page 12)
NF7-S rev 2.0 FSB_Sense 166 and 200 mod (from 133) test results (part 2) (page 12)
Summary on overclocking the NF7-S rev 2.0 (with Tbred B 1700+ DLT3C and ...) (page 15)
Links to some posts
Basics
Relationship of clock, die temperature and voltage (update)
- What is the active power of a CPU at frequency f and voltage V
- How to estimate CPU static and active power
- Effect of die temperature on CPU clock frequency at a given Vcore
(page 13)
Relationship of clock, die temperature and Vcore
What is the active power of a CPU at frequency f and voltage V
How to estimate CPU static and active power
(page 2)
Effect of overclocking on CPU active power and current
What is the active power of a CPU at frequency f and voltage V
How many transistors, wires and capactors are there inside a CPU (page 13)
What are the value of C and R of a CPU for power estimation (page 14)
Effect of high Vcore and electromigration on CPU failure time (page 15)
What is channel length of a MOS transistor (page 16)
What is gate break-down voltage (page 16)
Why frequency and voltage are important for overclocking performance (page 19)
How does leakage current slow down future generations of chips (page 19)
Silicon on insulator (SOI), with introduction to bulk CMOS
Strained Silicon article from IBM
Strained Silicon article from Intel
Nice pictures and videos about Strained Silicon on SOI.
http://domino.research.ibm.com/comm/bios.nsf/pages/cmos-perf.html
Electromigration: Physics, effect of current density and temperature, testing, ...
http://www.eas.asu.edu/~schroder/Electromigration.pdf
http://www.cadence.com/whitepapers/electromigration.html
http://www.intel.com/technology/itj/q31998/articles/art_2.htm
General techniques
Summary for overclocking CPU and FSB (page 3)
How to interpret Sandra CPU benchmark, IPC and comparing with P4 (page 2)
Eliminating uncertainties for better overclocking (page 7)
Some numbers to determine max CPU overclocking frequency - Vcore vs temperature,
When do the CPU's slow down? (page 13)
Explanation (page 13)
Overclocking limit and cooling cost for different types of overclocking (page 13)
Overclocking frequency-Vcore break-even point for Tbred B/Barton (page 15)
Effect of high Vcore and electromigration on expected failure time for Tbred B/Barto (page 15)
General rules on voltage and temperature for CPU overclocking (page 16)
How to determine "highest" voltage and temperature for CPU overclocking (page 16)
Question: How much power is increased ...
how many watts does your cpu take up?
What is the probability of achieving certain level of overclocking (page 16)
Vcore vs processor frequency and cycle time (page 19)
What is CPU stability (page 19)
What is IPC and how to compare cycle or Hz for different CPU architectures (page 19)
Analogy for comparing CPU cycles (page 19)
How to read CPU temperature (page 19)
Cache and CPU performance (page 19)
CPU voltage: from stock to max absolute, from efficient overclocking to diminishing return (page 19)
On CPU life expectancy and tradeoff (page 19)
What is an ideal and safe temperature for overclocking (page 19)
Why high voltage is needed to run higher CPU frequency (and maybe higher FSB) (page 20)
Relationship between CPU frequency and temperature (page 20)
Voltage, temperature and frequency: the basic variables of overclocking (page 20)
A64, A64-FX, 754, 939 platform related
Remarks on A64 and various platforms (page 19)
Estimation and importance of 939 platform memory bandwidth (page 19)
Differences between the XP FSB and the A64 buses (separate memory bus and HyperTransport bus) (page 19)
Some remarks on cache latency, cache size, memory latecny and memory bandwidth (for A64's) (page 19)
A64 CPUs, chipsets, motherboards
Tbred B 1700+ DLT3C, Barton related
What are the differences between Palomino, Tbred A and Tbred B/Barton? (page 1)
Why the 1700+ can run so fast at low Vcore? (page 2)
Lower voltage, shorter transistor channel length, lower transistor threshold voltage and Tbred B 1700+/1800+DLT3C (page 15)
Power of Tbred B 1700+ DLT3C at 2.5GHz 1.9V (page 3)
Comparing power of Barton w/ 1700+ DLT3C (page 3)
Comparing Tbred B 1700+/1800+ DLT3C and Barton 2500+ overclocking performance, power and temperature (page 14)
What happens to programs running in CPU with smaller and bigger L2 cache (page 17)
FSB_Sense mod to set Tbred B default FSB from 133 to 166 (page 12)
FSB_Sense mod to set Tbred B default FSB from 133 to 200 (page 12)
Tbred B and Barton rated voltage, frequency, power, current, and capacitance, resistance model (page 14)
Comparing power, current, temperature of various Tbred B and Barton overclocked to 2.5 GHz (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of Tred B 1700+ DLT3C and a Barton 2500+ (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C for faster, slower chips (page 14)
Overclocking characteristic (voltage, frequency, power, current, temperature) of a Tbred B 1700+ DLT3C with different coolings (C/W) (page 14)
Impact of Tbred B 1700+/1800+ DLT3C or Barton 2500+ w/ locked multiplier on overclocking (page 18)
How to estimate max stable frequency at full load (for mobile Barton)(page 19)
Is it safe to run 2.1+ V on mobile Barton? (page 19)
Memory
Links to various posts on memory, FSB and CPU overclocking
RAS, CAS Timing and BIOS Memory Setting
Single Channel vs Dual Channel DDR Memory
Overclocking memory module(s) vs dual channel
256MB vs 512 MB vs 1GB, 1 module vs 2 modules
Dual Channel Memory (1 vs 2 sticks, sync vs async)
Dual Channel, Nforce2, P4 and AMD FSB
Some Benchmarks of CAS Latency on Overall Performance
Different RAS/CAS timing on memory latency (estimate)
What is cycle time and frequency
Frequency, clock, period of synchronous operations, latency
Latency
Analogy on Bus Speed, Bandwidth and Latency
Analogy for FSB, CAS2, CAS3 latency and bandwidth for DRAM memory
Memory bandwidth efficiency
Vcore
Max Vcore for Tbred B and Barton (page 5)
How much voltage can be applied to a CPU (page 5)
Effect of high Vcore and electromigration on CPU failure time (page 15)
Effect of high Vcore and electromigration on expected failure time for Tbred B/Barton (page 15)
What could damage a chip/CPU permanently? (page 15)
Air Cooling
Air cooling setup (page 2)
Temperature measurement and importance of HSF (page 5)
Impact of higher ambient temperature on CPU clock frequency (page 6)
Comparing some HSF's on CPU overclock frequency on air (page 6)
Comparing different HSF's and impact of ambient temperature on max CPU frequency (HSF 0.3 C/W) (page 6)
Comparing different HSF's and impact of ambient temperature on max CPU frequency (HSF 0.36 C/W) (page 7)
Ambient temperature from air cooling to water cooling (page 7)
Effect of lowering ambient air temperature on CPU overclocking (page 7)
PSU intake fan location & AMD Athlon System Cooling Guidelines (page 7)
SK7 or SK800?
Testing 4 fans w/ a SLK-947U on a Tbred B 1700+ DLT3C (page 16)
Comparing Tornado 80mm, Tornado 92mm and TT SFII (second test data) (page 17)
Recent high-end heat sink for socket A(page 19)
Fans(page 19)
Some remarks on case fans and cooling(page 19)
Power and current estimate, PSU requirements
What size PSU do I need? (page 6)
Some thoughts on choosing PSU for overclocking recent motherboard, CPU, GPU, ... (page 8)
Some test results on PSU with different ratings for overclocking (page 8)
Are the 9700 and 9800 using 5V for GPU Vcore? (page 14)
Which PSU line does AMD CPU run on (page 14)
On PSU and Fortron 530W testing (page 5)
Does this sound like a PSU problem?
Some useful links for AMD and Intel CPU's:
AMD Athlon? XP Processor Tech Docs
Data sheet for AMD Model 10 with 256 KB L2 Cache
Data sheet for AMD Model 10 (Barton)
Data sheet for AMD Model 8 (Tbred)
Intel® Pentium® 4 Processor
Data sheet for Intel P4 (1.4 - 2 GHz, 400 MHz system bus)
Data sheet for Intel P4 (2 - 3.2 GHz, HT, 533/800 MHz system bus)
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