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Maximum RAM

post #1 of 7
Thread Starter 
An Athlon 64 can address up to 1 terabyte of ram with 40 addressing lines
(2^40 = 1 TB)

My question is What is the maximum amount of addressable ram for an lga 775 p4 or 478 p4
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devil's canyon
(18 items)
 
presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
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Cougar 650w Lian Li PC70 Corsair Sabre RGB venom gaming surface 
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post #2 of 7
Athlon 64 can make use of its 64-bit platform by supporting up to 1 TB. Intel P4, however, is only 32-bit compatible processor, therefore it can allocate only 4GB of RAM.
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E4300 @ 3.0Ghz GIGABYTE GA-P35-DS3L VisionTek HD4850 Corsair XMS2 2GB DDR2 
Hard DriveOptical DriveOSMonitor
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post #3 of 7
Thread Starter 
But dont the lga 775 have the EM64T
devil's canyon
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presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
Hard DriveHard DriveOptical DriveCooling
4x 1TB 3.5" 160GB 2.5" Asus BC-12D2HC CM TX3i 
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4x Arctic F8 80mm Win 10 Pro BenQ GL2250HM Venom warrior mech. 
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devil's canyon
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presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
Hard DriveHard DriveOptical DriveCooling
4x 1TB 3.5" 160GB 2.5" Asus BC-12D2HC CM TX3i 
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4x Arctic F8 80mm Win 10 Pro BenQ GL2250HM Venom warrior mech. 
PowerCaseMouseMouse Pad
Cougar 650w Lian Li PC70 Corsair Sabre RGB venom gaming surface 
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post #4 of 7
Only pentium dualcore?

Edit: my bad, it's the old 478 that doesn't have EM64T. The new line cpus LGA 775 do have 64-bit support. So I'd say it depends on the OS (32-bit or 64-bit) supports it. But otherwise, the maximum ram althon 64 and p4 lga 775 can run are practically the same...IMO
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post #5 of 7
Quote:
Originally Posted by shajbot
Only pentium dualcore?
Umm, P4's have had 64bit for a very long time.
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post #6 of 7
Thread Starter 
Intel has since begun selling EM64T enabled Pentium 4s using the E0 revision of the Prescott core, being sold on the market as the Pentium 4, model F. The E0 revision also adds eXecute Disable(XD) support to EM64T

from wikipedia
devil's canyon
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presler
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CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
Hard DriveHard DriveOptical DriveCooling
4x 1TB 3.5" 160GB 2.5" Asus BC-12D2HC CM TX3i 
CoolingOSMonitorKeyboard
4x Arctic F8 80mm Win 10 Pro BenQ GL2250HM Venom warrior mech. 
PowerCaseMouseMouse Pad
Cougar 650w Lian Li PC70 Corsair Sabre RGB venom gaming surface 
AudioOtherOtherOther
Realtek onboard Aten CS682 KVM Netgear gs105 switch 2x Silicon Image SIL3124 sataII cards 
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Lamptron FC6 
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devil's canyon
(18 items)
 
presler
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-4790K Gigabyte Z97 MX-G5 ZOTAC 1060 AMP! 6Gb 16gb Corsair XMS3 1600 
Hard DriveHard DriveCoolingCooling
ADATA 128Gb NVMe Intergral 480Gb ssd Phobya UC-2LT Plexi XSPC X4 Tank Combo 
CoolingCoolingOSMonitor
Nexxxos XT45 280 2x AC F14 PWM Win 10 Pro BenQ GL2250HM 
KeyboardPowerCaseMouse
Cherry compact Corsair CX750M Bitfenix Pandora Core Corsair Sabre RGB 
AudioOther
Realtek ALC1150 Aten CS682 KVM 
CPUMotherboardGraphicsRAM
Pentium D 915  Dell USFF Intel GMA 950 4gb Corsair ddr2 
Hard DriveOptical DriveCoolingCooling
WD Caviar 80gb sata II  Slim dvd rw Stock Copper Heatpipe  2x 60mm Sunnon fans 
OSMonitorKeyboardPower
XP sp2 BenQ GL2250HM Logitech k400 220W external 
CaseMouseAudio
Optiplex USFF w/ cable cover Logitech k400 Onboard SoundMAX 
CPUMotherboardGraphicsRAM
Core2Etreme QX6800  ASUS P5K Asus Turbo GTX960 OC 8gb NANYA DDR2 800 
Hard DriveHard DriveOptical DriveCooling
4x 1TB 3.5" 160GB 2.5" Asus BC-12D2HC CM TX3i 
CoolingOSMonitorKeyboard
4x Arctic F8 80mm Win 10 Pro BenQ GL2250HM Venom warrior mech. 
PowerCaseMouseMouse Pad
Cougar 650w Lian Li PC70 Corsair Sabre RGB venom gaming surface 
AudioOtherOtherOther
Realtek onboard Aten CS682 KVM Netgear gs105 switch 2x Silicon Image SIL3124 sataII cards 
Other
Lamptron FC6 
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post #7 of 7
Im pretty sure (actually im apsolutely sure) there is an extension you can get for windows xp to rfead 64gb of ram no matter what processor you have.
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Doesn't suck
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128GB SanDisk SDSSDHP128G Matshita DVD-Ram Stock Windows 10 Pro 
KeyboardPowerCaseMouse
G19 APEVIA ATX-AP900W Cooler Master Microsoft Optical Wheel Mouse 
CPUGraphicsRAMHard Drive
Intel Core i7-2670QM GT555M 8GB  2 x Seagate 7200RPM 500GB 
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BluRay combo drive Windows 7 Premium 17" Laptop + 24" 1920x1080 Dell Backlit laptop keyboard 
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