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The New Intel i9x5 Chipsets

Fast forwarding from the i8xx chipsets, the brand-new i9x5 series introduces many new features that only techies would have heard of, like the new LGA (Land Grid Array) 775 socket, PCI Express x16 support, dual channel DDR2 support and Intel's High Definition Audio. The table below shows the differences between the Intel i875P and the latest i9x5 Express chipsets.

  Intel® 925X
Express
Chipset
Intel® 915G
Express
Chipset
Intel® 915P
Express
Chipset
Intel® 875P
Chipset
HOST
925X Chipset
915G Chipset
915P Chipset
875P Chipset
Processor Positioned
Intel® Pentium® 4 Processor Extreme Edition,
Intel® Pentium® 4 Processor
Pentium® 4 processor
Pentium® 4 processor
Pentium® 4 processor
System Bus
800 MHz
800/533 MHz
800/533 MHz
800/533 MHz
Processor Package
LGA775
LGA775
LGA775
mPGA478
 
MEMORY CONTROLLER HUB
925X Chipset
915G Chipset
915P Chipset
875P Chipset
Type
82925X MCH
82915G GMCH
82915P MCH
82875P MCH
Package
1210 FC-BGA
1210 FC-BGA
1210 FC-BGA
1005 FC-BGA
 
MEMORY
925X Chipset
915G Chipset
915P Chipset
875P Chipset
Memory Type
Dual-Channel DDR2 533/400
Dual-Channel: DDR2 533/400,
DDR 400/333
Dual-Channel: DDR2 533/400,
DDR 400/333
Dual-Channel DDR 400/333/266
FSB/Memory Configurations
800/DDR2-533
800/DDR2-400
800/DDR2-533
800/DDR2-400
800/DDR400
533/DDR400
533/DDR400
800/DDR2-533
800/DDR2-400
800/DDR400
533/DDR400v
533/DDR400
800/400
800/333
533/333
533/266
Error Correction
ECC/Non-ECC
Non-ECC
Non-ECC
ECC/Non-ECC


  Intel® 925X
Express
Chipset
Intel® 915G
Express
Chipset
Intel® 915P
Express
Chipset
Intel® 875P
Chipset
EXTERNAL GRAPHICS
925X Chipset
915G Chipset
915P Chipset
875P Chipset
Interface
PCI Express x16
PCI Express x16
PCI Express x16
AGP8X
(1.5V)
 
I/O CONTROLLER HUB
925X Chipset
915G Chipset
915P Chipset
875P Chipset
Type
Intel® ICH6 Family: ICH6, ICH6R, ICH6W4, ICH6RW
Intel® ICH6 Family: ICH6, ICH6R, ICH6W4, ICH6RW
Intel® ICH6 Family: ICH6, ICH6R, ICH6W4, ICH6RW
Intel® ICH5 / ICH5R
ICH Package
609 mGBA
609 mGBA
609 mGBA
460 mGBA
PCI Support
(4) PCI Express x1
(4) PCI Express x1
(4) PCI Express x1
PCI 2.3
Storage Interface/Ports
SATA 150/4, UDMA ATA100
SATA 150/4, UDMA ATA100
SATA 150/4, UDMA ATA100
SATA 150/2
Storage Technology
Intel® Matrix Storage Technology with ICH6R/ICH6RW
Intel® Matrix Storage Technology with ICH6R/ICH6RW
Intel® Matrix Storage Technology with ICH6R/ICH6RW
RAID w/ICH5R
USB Ports/Controllers
8 ports, USB 2.0
8 ports, USB 2.0
8 ports, USB 2.0
8 ports, USB 2.0
Audio
Intel® High Definition Audio,
AC’97/20-bit audio
Intel® High Definition Audio,
AC’97/20-bit audio
Intel® High Definition Audio,
AC’97/20-bit audio
AC’97/20-bit audio

From the table above, you can see that Intel has abandoned support for their 533MHz FSB processors with the advent of the i925X chipset. This is pretty much the same thing they did with the i875P chipset which dropped support for the older 400MHz FSB processors.

In addition, the i925X will only support DDR2, while its lower-end brother, the i915 will support both DDR and DDR2. Both the i915 and i925 chipsets will come with four SATA channels and one ATA100 channel, which will automatically provide support for a maximum of six devices!

And in an attempt to catch up with NVIDIA's Soundstorm initiative, Intel has decided to improve the onboard sound with their High Definition Audio which supports up to eight audio channels and audio fidelity of up to a sampling rate of 192KHz and 32-bits of accuracy.



 
   
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