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ABIT, which is now officially known as Universal ABIT, is recapturing is former glory. The ABIT AW9D-MAX motherboard is based on Intel's top of the line 975X Express and ICH7R chipsets, packs in quite a lot to get excited about.
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The Intel 975X Chipset
The Intel 975X Express is Intel's flagship desktop and
workstation chipset. Early revisions of i975X motherboards were only compatible
with Intel Pentium 4/D processors, however the new generation of
975X Express-based boards support Intel Core 2 Duo.
Intel has tweaked the 975X
Express somewhat to incorporate support of DDR2-800 memory, which is a nice
treat for a core logic that runs on the 1066/800MHz FSB. The Intel 975X Express
chipset is paired up with the ICH7-series Southbridge, an older model, but one
which supports four Serial ATA II channels along with a single IDE port for two
devices. The Southbridge found on the ABIT AW9D-MAX motherboard is the
ICH7R version, and the R designates its inclusion of RAID modes
0, 1, 0+1 and 5 for SATA hard drives.
DDR2-800 MHz memory support positions Intel's latest and
greatest CPU at par with AMD's Socket AM2 Athlon64 processors. Intel calls the
new memory controller FMA or 'Fast Memory Access', and it allows the system a
maximum theoretical bandwidth of 12.8GB/s. Below is breakdown on the full
feature set of the Intel 975 / 965 Express series chipsets, including the 975X
Express which the ABIT AW9D-MAX motherboard is based upon.
Intel 975 / 965 / 955 Series Chipset Feature
Breakdown |
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Intel
975X Express |
Intel P965 Express |
Intel Q965 Express |
Intel G965 Express |
Intel Q963 Express |
Intel 955X Express |
CPU |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Core 2 Duo |
LGA775 Pentium D |
Front Side Bus (FSB) |
1066/800 MHz |
1066/800/533 MHz |
1066/800/533 MHz 2 threads |
1066/800/533 MHz |
1066/800/533 MHz |
1066/800MHz |
Intel Flex Memory Technology |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Dual Channel Memory Support |
DDR2 800/667/533 |
DDR2 800/667/533 |
DDR2 667/533 |
DDR2 667 |
DDR2 667 |
DDR2 667/533 |
Maximum Memory Capacity |
8GB |
8GB |
8GB |
8GB |
8GB |
8GB |
Integrated Graphics |
- |
- |
GMA 3000 |
GMA 3000 |
GMA 3000 |
- |
|
PCI Express x16 |
2 |
1 |
1 |
1 |
1 |
1 |
|
PCI Express x1 |
4 |
4 |
4 |
4 |
4 |
4 |
Intel Matrix Storage Technology |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
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SATA/IDE HDD |
4/1 |
6/0 |
6/0 |
6/0 |
6/0 |
4/1 |
|
SATA Speed |
3Gb/s |
3Gb/s |
3Gb/s |
3Gb/s |
3Gb/s |
3Gb/s |
|
RAID |
0, 1, 5, 10 (with ICH7R) |
0, 1, 5, 10 (with ICH7R/ICH8R) |
0, 1, 5, 10 (with ICH8R) |
0, 1, 5, 10 (with ICH8R) |
0, 1, 5, 10 (with ICH8R) |
0, 1, 5, 10 (with ICH7R) |
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Hard Drive NCQ |
- |
Yes |
Yes |
Yes |
Yes |
- |
USB 2.0 Ports |
8 |
8 |
10 |
10 |
10 |
8 |
PCI Masters |
6 |
6 |
6 |
6 |
6 |
6 |
Audio |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
High Definition Audio (Azalia) |
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The Intel
975X chipset supports two physical PCI Express x16 videocards, although when
dual videocards are configured the PCI Express x16 data bus is split evenly
between them. The 975X Express chipset is compatible with ATi CrossFire Edition
videocards, so you can have dual ATi Radeon videocards rendering at the same
time if you feel the need for enhanced gaming. If you're only using a single PCI
Express x16 videocard, insert it into the first PCI Express x16 slot on the ABIT
AW9D-MAX motherboard.
A dedicated 2GB/s I/O bus connects the Intel 975X
Express Northbridge and Intel ICH7R Southbridge together. The ICH7R Southbridge
incorporates four Serial ATA II channels with RAID 0, 1, 5, 10, a 7.1 channel
Intel Azalia high definition audio codec, eight USB 2.0 slots, six PCI Express
x1 lanes and an integrated Intel Gigabit MAC which runs through the PCI Express
bus.
It's important to note that the ICH7-series of
Southbridges support a single Parallel IDE channel. The latest Intel ICH8
chipset does away with parallel IDE support completely. A block chart of the
Intel 975X Express chipset's major features is illustrated above. Overclocking
and benchmarks are up next.
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