Ik heb hier het volgende probleem, als ik van een van mijn externe mybooks wil kopieren in Windows Vista x64 dan haal ik +/- maar 500KB/s datatransfer.. test ik dezelfde schijf daarna met HDtach dan krijg ik compleet andere waarden. Ik snap er niks meer van, iemand misschien een oplossing?
Zie onderstaande screenshot:

Verdere Specs van mijn systeem:
OS : Microsoft Windows Vista Ultimate 64 Bit
Core :
CPU : Intel Quad Core Q6600 2.4Ghz
RAM : 4GB Kingston HyperX Low Latency DDR2-800 CL4
MAINBOARD : Gigabyte GA-G33-DS2R
PSU : Zalman ZM460B-APS 460W
CASE : Aopen G325 M-ATX Red/Black
OPTICAL : Asus 1814-BLT S-ATA Writer /w Lightscribe Technology
Audio/Video :
VGA: MSI Geforce 8500GT PCI-E x16 /w HDMI passed through to X-FI ( SPDIF )
AUDIO: Creative X-FI Elite Pro + Logitech Z-5500 Digital ( Optical ) / Sony MDR-V700 Headphones
SCREEN : Samsung Syncmaster 244T ( 24" Widescreen LCD )
Storage:
HD1 : Western Digital Raptor 74GB 10.000 RPM 16MB Cache S-ATA ( OS Disk )
HD2 : Western Digital Raid Edition 500GB 7200 RPM 16MB Cache S-ATA ( Storage Disk )
HD3 : Western Digital Raid Edition 500GB 7200 RPM 16MB Cache S-ATA ( Storage Disk )
External Storage :
HD1 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD2 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD3 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD4 : Western Digital Mybook Pro 500GB ( Firewire 800 )
HD5 : Western Digital Passport 250GB ( USB 2.0 )
USB : Sandisk Cruzer Contour 8GB U3 ( USB 2.0 )
Input/ Output :
Printer/Fax/Copier : Hewlett Packard Photosmart 3310
Desktop Set : Microsoft Wireless Optical Desktop 1000 / Black Steelpad Pro
Microphone : Logitech USB Desktop Microphone
Network :
Router : Linksys WRT54GL Linux Opensource Router
Misc :
2 Ports E-SATA Interface
2 Ports Firewire800 / 2 Ports USB 2.0 PCI-E x1 Card
Zie onderstaande screenshot:

Verdere Specs van mijn systeem:
OS : Microsoft Windows Vista Ultimate 64 Bit
Core :
CPU : Intel Quad Core Q6600 2.4Ghz
RAM : 4GB Kingston HyperX Low Latency DDR2-800 CL4
MAINBOARD : Gigabyte GA-G33-DS2R
PSU : Zalman ZM460B-APS 460W
CASE : Aopen G325 M-ATX Red/Black
OPTICAL : Asus 1814-BLT S-ATA Writer /w Lightscribe Technology
Audio/Video :
VGA: MSI Geforce 8500GT PCI-E x16 /w HDMI passed through to X-FI ( SPDIF )
AUDIO: Creative X-FI Elite Pro + Logitech Z-5500 Digital ( Optical ) / Sony MDR-V700 Headphones
SCREEN : Samsung Syncmaster 244T ( 24" Widescreen LCD )
Storage:
HD1 : Western Digital Raptor 74GB 10.000 RPM 16MB Cache S-ATA ( OS Disk )
HD2 : Western Digital Raid Edition 500GB 7200 RPM 16MB Cache S-ATA ( Storage Disk )
HD3 : Western Digital Raid Edition 500GB 7200 RPM 16MB Cache S-ATA ( Storage Disk )
External Storage :
HD1 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD2 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD3 : Western Digital Mybook Pro II 1000GB ( 1TB ) ( Firewire 800 )
HD4 : Western Digital Mybook Pro 500GB ( Firewire 800 )
HD5 : Western Digital Passport 250GB ( USB 2.0 )
USB : Sandisk Cruzer Contour 8GB U3 ( USB 2.0 )
Input/ Output :
Printer/Fax/Copier : Hewlett Packard Photosmart 3310
Desktop Set : Microsoft Wireless Optical Desktop 1000 / Black Steelpad Pro
Microphone : Logitech USB Desktop Microphone
Network :
Router : Linksys WRT54GL Linux Opensource Router
Misc :
2 Ports E-SATA Interface
2 Ports Firewire800 / 2 Ports USB 2.0 PCI-E x1 Card