The Intel P35 Express Northbridge chipset replaces
the P965 Express as Intel's mainstream performance core logic part. The P35
Express not only supports all current Socket 775 processors running on a
533/800/1066 MHz Front Side bus, it also supports Intel's 45nm "Penryn"
processor and 1333 MHz FSB processors like the Core
2 Duo E6750. The P35 Express ships with the ICH9 series of Southbridge
chipsets.
An increased
Front Side Bus, from 1066MHz to 1333 MHz speeds up data communication to the necessary
levels. Intel also modified the memory controller in the P35
Express, boosting memory to 1066 MHz from 800 MHz. That increases maximum
theoretical bandwidth to 16GB/s (in a dual channel configuration).
The Intel P35
Express supports a maximum of 8GB of non ECC unbuffered
memory, either DDR3 or DDR2, depending on what the manufacturer has chosen to implement.
With the Asus BLITZ Formula, the motherboard uses DDR2 memory. Here's a quick look at how
the new P35 stacks up to the P965 Express and
975X chipsets. Apart from the speed increases and new memory standard, there
are just a few extra ports here and there.
| Intel P35 & 975 / 965 Series Chipset
Feature Breakdown |
|
Intel 975X Express
|
Intel P35 Express Express |
Intel P965 Express
|
Intel G965 Express
|
| CPU |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
| Front Side Bus (FSB) |
1066/800 MHz |
1333/1066/800 MHz |
1066/800/533 MHz |
1066/800/533 MHz |
| Intel Flex Memory Technology |
Yes |
Yes |
Yes |
Yes |
| Dual Channel Memory Support |
DDR2 800/667/533 |
DDR2
1066/800/667
or
DDR3
1333/1066/800 |
DDR2 800/667/533 |
DDR2 667 |
| Maximum Memory Capacity |
8GB |
8GB |
8GB |
8GB |
| Integrated Graphics |
- |
- |
- |
GMA 3000 |
|
PCI Express x16 |
2 |
1 |
1 |
1 |
|
PCI Express x1 |
4 |
6 |
4 |
4 |
| Intel Matrix Storage Technology |
Yes |
Yes |
Yes |
Yes |
|
SATA/IDE HDD |
4/1 |
6/0 |
6/0 |
6/0 |
|
SATA Speed |
3Gb/s |
3Gb/s |
3Gb/s |
3Gb/s |
|
RAID |
0, 1, 5, 10 (with ICH7R) |
0, 1, 5, 10 (with ICH9R) |
0, 1, 5, 10 (with ICH8R) |
0, 1, 5, 10 (with ICH8R) |
|
Hard Drive NCQ |
- |
Yes |
Yes |
Yes |
| USB 2.0 Ports |
8 |
12 |
8 |
10 |
| PCI Masters |
6 |
6 |
6 |
6 |
| Audio |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
 |
 |
|
 |
 | | |
By default the Intel P35 Express chipset supports a single PCI
Express x16 slot running at PCIe x16 mode for videocard. There are six PCI
Express lanes associated with the ICH9R Southbridge. Between the Intel P35
Express Express Northbridge and ICH9R Southbridge is a dedicated 2GB/s I/O bus. Asus get around
this by splitting the 16 PCI Express lanes for the primary videocard
into two PCIe x8 paths. Next up, overclocking
the Asus BLITZ Formula motherboard!
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