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Test System: 925X And ICH6

Can Command Queuing Turbo Charge SATA?

So far, the market offers only few controllers that support Command Queuing. One option would be Promise’s FastTrak TX4200, supporting both Command Queuing options. However, we used conventional hardware combined with Intel’s the 925X chipset and the new Southbridge ICH6, also supporting Command Queuing. For a motherboard, we used Asus’ P5AD2.

Test Setup

Socket 775 Intel Pentium 4 Processor 520, 2.8 GHz
1 MB Cache, FSB800
System Components
DDR2-SDRAM 2x 512 MB PC5400
Corsair CM2X512-5400C4PRO
Motherboard Asus P5AD2 Premium
Intel 925X Chipset
Graphics Card ATI X600 XT, 128 MB, PCI Express
System Hard Drive Western Digital WD800JB
80 GB, 7,200 rpm, 8 MB cache
Hard Drive Set I Seagate Barracuda 7200.7 ST3160827AS
160 GB, 7,200 rpm, 8 MB cache, NCQ support

Seagate Barracuda 7200.7 ST3160023AS
160 GB, 7,200 rpm, 8 MB cache

Hard Drive Set II Western Digital WD360 Raptor
36 GB, 10,000 rpm, 8 MB cache

Western Digital WD740 Raptor
74 GB, 10,000 rpm, 8 MB cache, TCQ support

Intel Chipset Intel Chipset Installation Utility
DirectX 9.0c
OS Windows XP Professional Build 2600 Service Pack 1
Benchmarks & Settings
Transfer Performance Benchmark c’t h2benchw Ver. 3.6
Transfer Diagram Winbench 99 2.0
Disk Inspection Test
I/O Performance IOMeter 2003.05.10
Fileserver Benchmark Pattern
Webserver Benchmark Pattern
Database Benchmark Pattern
Workstation Benchmark Pattern
Throughput Benchmark Pattern
Application Performance Winbench 99 2.0
Disk Winmarks
Disk Inspection
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    Anonymous , April 14, 2011 11:19 AM
    Thank you for the comparison. Judging by the tests, it seem NCQ is no big deal. Does it really help with multitasking in ways other than speed, though?