CZ Platinum DDR2 1066 only runs at 800MHz

You're correct in saying the performance gain from 800MHz to 1066MHz isn't that great, the lower timings on 800MHz makes up for the slower clock speeds to the 1066MHz with higher timings. Only reason you'd really need 1066MHz RAM is to push a higher FSB when overclocking.
 

My Computer My Computer

At a glance

Windows 8.1 Pro x64Intel Core i7 4790k8GB Corsair Dominator 1600MHzMSI TwinFrozr GeForce GTX770
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Built
OS
Windows 8.1 Pro x64
CPU
Intel Core i7 4790k
Motherboard
MSI Z97S Krait Edition
Memory
8GB Corsair Dominator 1600MHz
Graphics Card(s)
MSI TwinFrozr GeForce GTX770
Sound Card
ASUS Xonar DX/XD 7.1
Monitor(s) Displays
Dell 24" S2409W + Dell 20" E207WFP
Screen Resolution
1920x1080 + 1680x1050
Hard Drives
1x 120GB OCZ Agility 3, 1x 750GB Western Digital Caviar Black, 1x 1TB Western Digital Caviar Blue
PSU
Corsair HX850 modular
Case
Fractal Design Define R4
Cooling
Corsair H60 w/ twin Corsair SP120 fans
Keyboard
Logitech G510S Keyboard
Mouse
Logitech G500S Laser Mouse
Internet Speed
40Mbps
Antivirus
Microsoft Security Essentials
Browser
Google Chrome
Other Info
LG Blu-Ray player
Tks FSB. One more reason it is not worth trying anymore.
Although I know curiosity will drag me back to it sometime....
 

My Computer My Computer

At a glance

Windows 7 x64 finally!AMD Athlon II X2 240OCZ Platinum 4GB DDR2 1066 (will not work pas...MSI R4670-MD1G Radeon HD 4670 1GB 128-bit GDDR3
Computer Manufacturer/Model Number
Wally, Innc.
OS
Windows 7 x64 finally!
CPU
AMD Athlon II X2 240
Motherboard
Biostar TA790GX XE
Memory
OCZ Platinum 4GB DDR2 1066 (will not work past 800MHz)
Graphics Card(s)
MSI R4670-MD1G Radeon HD 4670 1GB 128-bit GDDR3
Sound Card
ATI High Definition Audio Device Realtek ALC888
Monitor(s) Displays
HP w19e
Screen Resolution
1440x900
Hard Drives
Western Digital Caviar Green WD5000AADS 500GB SATA
Western Digital Caviar Blue WD5000AAKS 500GB SATA
PSU
Athena Power Micro ATX 400W
Case
HEC 6T 6T10BB Black MicroATX Mini Tower
Cooling
stock
Keyboard
wired, many keys
Mouse
HP wireless, 2 buttons, 1 wheel
Internet Speed
DSL 2Mb (recently getting 1.65M!)
Updating memory latency statistics for 800, 1066 and 1130MHz for MB asus M4a78 using ocz reaper 2x2

the system is overclocked:
I am pushing North Bridge and HT from 2000 to 2332
also pushing phenom x3 from 2.8 to 3.286 . no changes in vcore, vnnb, vid, memory - every tensions in stock.
4850 is OC from 640 to 700MHz and memory 1000 (OC memory gives me artifacts) - tension stock

sweet overall improvements. prime95 ok for 8hours. gaming is great.
 

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My Computer My Computer

At a glance

dual: windows 7 Ultimate x64 7600 and XP SP3AMD PHENOM II 720 2800MHz2 X 2 OCZ REAPER 1066MHzMSI 4850 1GB OC
Computer Manufacturer/Model Number
Personal Built (frankenstein) - WEI Here -> http://www.sevenforums.com/451826-post2094.html
OS
dual: windows 7 Ultimate x64 7600 and XP SP3
CPU
AMD PHENOM II 720 2800MHz
Motherboard
ASUS M4A78 sb700
Memory
2 X 2 OCZ REAPER 1066MHz
Graphics Card(s)
MSI 4850 1GB OC
Sound Card
REALTEK HD ONBOARD
Monitor(s) Displays
LCD SAMSUNG 21" T220
Screen Resolution
1680 x 1050 - 60Hz
Hard Drives
1.5 TB SEAGATE SATA II 7200 RPM
PSU
THERMALTAKE 430W PFC ACTIVE W0069
Case
SOLID FULL ATX
Cooling
COOLER MASTER TX-3 HEAT PIPES
Keyboard
logitech cordless keyboard
Mouse
microsoft wireless
Internet Speed
4Mb
Other Info
sound system: logitech x540 5.1
Zboard Fang gaming keyboard
PS2 joystick
Philips VOIP fone
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