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DFI LT X38-T2R LanParty - Living Review.
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Old 22-01-2008, 23:30
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Default DFI LT X38-T2R LanParty - Living Review.



DFI LT X38-T2R LanParty - Living Review.

Intro & Index.

DFI have very kindly sent us their LT X38-T2R LanParty, which is currently their top of the range Intel motherboard.

We all know of DFI's legendary reputation for making immensely tweakable motherboards, but will their X38 based offering, hit heights that the P35 couldn't reach?, or, with the Intel-imposed delays of the DFI LT X48-T3R, will the X38 be the new weapon of choice for the overclocking enthusiast? Read on to find out...

For those not familiar with our "living reviews", here's what happens - Over the next few weeks, I will add info and results here, and what we end up with is an ongoing/rolling review which also doubles as a help thread for other users

Following on from the DFI LP UT P35-T2R which I reviewed here, the DFI LT X38-T2R (or X38 as we will call it from now on) is virtually identical to look at, aside from the onboard cooling, more on that later.


Index

1. Intro & Index
2. Official Specs
3. First Impressions & Pics - The Packaging
4. First Impressions & Pics - The Motherboard
5. First Impressions & Pics - The Motherboard Part 2
6. First Impressions & Pics - The Acessories & NorthBridge Heatsink
7. First Impressions & Pics - The Bernstein Audio Module
8. Test Setup & Notes
9. The NorthBridge Heatsink Fitted
10. The Genie BIOS - 1
11. The Genie BIOS - 2
12. The Genie BIOS - DRAM Voltage Control
13. The Genie BIOS - DRAM Voltage Control 2
14. Genie BIOS Template
15. Hard Disk Performance
16. Overclocking The Q6600 G0 - First Results
17. First Minor Problem - Fixed
18. More Overclocking Results - Max on Air
19. Some Thoughts & Findings After Initial Testing
20. Phase Result For The Failing Q6600 G0
21. Wolfdale E8400 First Tests & Overclocks
22. Some More Thoughts & Results - Post Phase
23. RAM Overclocking & Tweaking
24. A Few Final Overclocks With The Replacement Q6600 G0
25. Conclusion



See also the DFI LT X48-T2R Living Review.


Last edited by Clunk; 21-02-2008 at 02:39..
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DFI's Official Specs.
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Old 22-01-2008, 23:45
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Default DFI's Official Specs.

Let's have a quick look at the specs, direct from the DFI Website.

CPU
  • LGA 775 socket for: - Intel® CoreTM2 Quad and Intel® CoreTM2 Duo
  • Supports Intel Enhanced Memory 64 Technology (EMT64T)
  • Supports Enhanced Intel SpeedStep Technology (EIST)
  • Supports Intel Hyper-Threading Technology
  • Supports 1333*/1066/800MHz system bus speed *Available only on CPUs that support 1333MHz FSB
Chipset
  • Intel® chipset - Northbridge: Intel® X38 Express chipset (with Intel® Fast Memory Access technology) - Southbridge: Intel® ICH9R
Memory
  • Four 240-pin DDR2 DIMM sockets
  • Supports DDR2 667/800 MHz
  • Delivers up to 12.8Gb/s bandwidth
  • Supports dual channel (128-bit wide) memory interface
  • Supports up to 8GB system memory
  • Supports unbuffered x8 and x16 DIMMs

Expansion Slots
  • 2 PCI Express (Gen 2) x16 slots (PCIE 1 and PCIE 3) - 2-way CrossFire at x16/x16 bandwidth - 2-way CrossFire + Physics at x16/x16/x4 bandwidth
  • 1 PCI Express x1 slot (PCIE 2)
  • 1 PCI Express x4 slot (PCIE 4)
  • 3 PCI slots
BIOS
  • Award BIOS
  • 8Mbit flash memory
  • CMOS Reloaded
Audio
  • Bernstein audio module - Realtek ALC885 8-channel High Definition Audio CODEC - Center/subwoofer, rear R/L and side R/L jacks - Line-in, line-out (front R/L) and mic-in jacks - 2 coaxial RCA S/PDIF-in/out jacks - 1 optical S/PDIF connector - 1 CD-in connector - 1 front audio connector
  • DAC SNR/ADC SNR of 106dB/101dB
  • Full-rate lossless content protection technology
LAN
  • Marvell 88E8052 and Marvell 88E8053 PCIE Gigabit LAN controllers
  • Fully compliant to IEEE 802.3 (10BASE-T),
  • 802.3u (100BASE-TX) and 802.3ab (1000BASE-T) standards
IEEE 1394
  • VIA VT6307
  • Supports two 100/200/400 Mb/sec ports
Storage
  • Intel ICH9R chip - Intel Matrix Storage technology - Supports up to 6 SATA devices - SATA speed up to 3Gb/s - RAID 0, RAID 1, RAID 0+1 and RAID 5
  • JMicron JMB363 PCI Express to SATA and PATA host controller - Supports up to 2 UltraDMA 100Mbps IDE devices - Supports 2 SATA devices - SATA speed up to 3Gb/s - RAID 0 and RAID 1
Rear Panel I/O Ports
  • Mini-DIN-6 PS/2 mouse port and PS/2 keyboard port
  • 1 IEEE 1394 port
  • 6 USB 2.0/1.1 ports
  • 2 RJ45 LAN ports
I/O Connectors
  • 3 connectors for 6 additional external USB 2.0 ports
  • 1 connector for an external COM port
  • 1 connector for an IEEE 1394 port
  • 1 connector for the Bernstein audio module
  • 1 front audio connector (on the Bernstein audio module)
  • 1 CD-in connector (on the Bernstein audio module)
  • 1 S/PDIF connector (on the Bernstein audio module)
  • 1 IrDA connector
  • 1 CIR connector
  • 8 Serial ATA connectors
  • 1 40-pin IDE connector and 1 floppy connector
  • 1 24-pin ATX power connector
  • 1 8-pin 12V power connector
  • 2 4-pin 5V/12V power connectors (FDD type)
  • 1 front panel connector
  • 6 fan connectors
  • 1 diagnostic LED
  • EZ touch switches (power switch and reset switch)
Power Management
  • ACPI and OS Directed Power Management
  • ACPI STR (Suspend to RAM) function
  • Wake-On-PS/2 / Wake-On-USB Keyboard/Mouse
  • Wake-On-LAN and Wake-On-Ring
  • RTC timer to power-on the system
  • AC power failure recovery
Hardware Monitor
  • Monitors CPU/system/Northbridge temperature and overheat alarm
  • Monitors Vcore/Vdimm/Vnb/VCC5/12V/V5sb/Vbat voltages
  • Monitors the speed of the cooling fans
  • CPU Overheat Protection function monitors CPU temperature and fan during system boot-up
  • automatic shutdown upon system overheat
PCB
  • 6 layers, ATX form factor
  • 24.5cm (9.64") x 30.5cm (12") All specifications above are subject to change without prior notice.

Next - first impressions!
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First Impressions & Pics 1 - The Packaging
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Old 23-01-2008, 00:07
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Default First Impressions & Pics 1 - The Packaging

Firstly we have the retail packaging - noticably smaller and lighter than the P35 version and the reason will become clear later.

Sparkly box.


A similar layout to the older DFI packaging.


An inner box for the accessories.


Motherboard underneath.


The board is wrapped in an anti-static bag.



Next, the motherboard itself.
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First Impressions & Pics 2 - The Motherboard
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Old 23-01-2008, 02:01
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Default First Impressions & Pics 2 - The Motherboard

If hardware makes you drool, look away now

This colour scheme is definitely an acquired taste. Personally, I think it is much better than some of the boards we have seen over the last year, but as with everything aesthetical, it is down to personal preference, so enough of me waffling on, see what you make of it.

The board, as it comes out of the bag - Note that there is no NorthBridge heatsink, just the now familiar (and much needed) IHS (Integrated Heat Spreader), and you will see why, a bit further down.



A nice clear CPU socket area, and as always, will win favour with people that want to insulate that area to protect from condensation for sub zero cooling (Watch this space ).



One niggle I had with the P35's layout, was the fact that you needed to remove the graphics card to remove the RAM. As the X38 has dual 16x PCI-E 2 slots, single card users could place the card in the lower slot, but at this stage, I'm not sure how the board will react to this, and indeed if my watercooling loop will allow this. I will check, and report back here.



Let's have a look at the notable features around the board.

Bottom right corner, pretty much identical to the P35;
  • Removable BIOS chip (centre left)
  • 3x USB 2 Headers (centre)
  • On board Reset & Power Switches (bottom left)
  • Floppy Connector (centre bottom)
  • HD LED/Power/LED/Reset headers (bottom right)
  • 8x Angled SATA 2 ports (right)
  • Southbridge Heatsink (centre)
  • Fan Headers (centre x2, below SB heatsink, and bottom left x1)
  • Battery (centre left)
  • Post Code Display (left centre)
Note that the SouthBridge heatsink is a seperate unit. This is a really welcome addition to any enthusiast board in my opinion. How many of us grab a motherboard and remove the stock cooling? I know I do, and there have been occasions where I would have used some of it, but it didn't seperate from the main NorthBridge/PWM/SouthBridge heatpipe assembly, so it looks like DFI have listened to their customers this time.



From another angle.



And another.

Here are the onboard power & reset switches, and these also double up as a CMOS clearing switch if you keep them both pressed for 4 seconds. You can also see the Diagnostic/Post code display to the right, which also comes in very handy.



Last shot of this bit.



Moving to the bottom left corner, the points of note are;
  • Two - PCI-E 2 slots and another physical 16x slot running at 4x (16x+16x+4x Crossfire+Physics or 16x+16x Crossfire).
  • One - PCI-E 4x slot.
  • One - PCI-E 1x slot
  • Three - PCI slots



Continued below....
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First Impressions & Pics - The Motherboard Part 2
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Old 23-01-2008, 03:54
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Default First Impressions & Pics - The Motherboard Part 2

That's the front of the board done, let's see what the I/O section looks like.

Pretty standard stuff here as far as connections go, but as this is an overclocking board, the PWM heatsink is a great addition, and I know that it works really well after experimenting with the P35 version and the black anodising is a nice upgrade as well.

So, we have sockets for;
  • PS2 Keyboard
  • PS2 Mouse
  • Six USB2
  • One Firewire
  • Two Gigabit Lan


In this shot, we can see the other side of the PWM cooler, and also, the clear CPU socket area and naked NorthBridge IHS.



This is the obligatory shot of the 8 SATA II sockets, including 6 intel and 2 Jmicron.



PATA socket, 24 Pin ATX socket, and to the right, the soldered on heatsink for the RAM voltage regulation.




Next, the Accessories & NorthBridge cooler...
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First Impressions & Pics - The Accessories & NorthBridge Heatsink
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Old 23-01-2008, 04:19
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Default First Impressions & Pics - The Accessories & NorthBridge Heatsink

Inside the main box is a box of accessories.

There are plenty of bits and pieces inside to keep most people happy.

Including;
  • 1x NorthBridge Heatsink
  • 1x UV Green Rounded Floppy Cable
  • 1x UV Green Rounded PATA Cable
  • 4x UV Green SATA Cables
  • 2x Molex to SATA Power Cable Adaptors
  • 1x Copper CPU Shim (for the Transpiper)
  • 1x Bernstein Audio Module
  • 1x Bernstein Audio Module Cable
  • 1x I/O Shield
  • 1x Floppy Disc with RAID Drivers
  • 1x Driver/Utils CD


The NorthBridge heatsink looks very impressive indeed. The construction is solid and as with the P35 Transpiper, it looks very "Thermalright" in it's construction.



It comes with fan clips, but no fan. It looks to be a 60mm or 70mm fan that is required, I will confirm this later.


Great attention to detail here.



A single, fat heatpipe certainly looks like it will do the job well. One slight niggle is that they have reverted back to the plastic clips to hold this beastie in place. It is quite weighty (especially with a fan), so I would have liked to see the little nuts and bolts that held the P35 heatpipe down.



The base of the heatsink is copper and nicely flat, but mine came with some fingerprints that appear to be tar or something similar.



And after cleaning It's flat and it's shiney, but not quite a mirror finish




Next, the Bernstein Audio Module....
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First Impressions & Pics - The Bernstein Audio Module
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Old 23-01-2008, 04:41
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Default First Impressions & Pics - The Bernstein Audio Module

The LT X38 T2R comes with a Bernstein Audio Module. This simply plugs into the board via the supplied ribbon cable.

Front.



Back.




I/O section.

The usual suspects are here;
  • Coaxial SPDIF IN
  • Coaxial SPDIF OUT
  • Line in
  • Line out
  • Mic in
  • Centre/Subwoofer
  • Rear R/L
  • Side R/L


Update - 17-02-08: A note about the testing of the Bernstein Audio Module.

I'm a firm believer that sound quality is a very personal thing, and what may sound great to one person, will often sound awful to another.

I did have every intention of giving the module a full testing, but I was unable to because my set up requires an optical out from the soundcard, which the Bernstein module doesn't have. I did test with the stereo analog output, and I can confirm that the sound quality (in my opinion) is "perfectly acceptable" for most people, but if you demand high quality sound, the bottom line here is.....get a sound card


That's the box contents out of the way, I will get it built up and see how she runs in the morning.


Next, Test Setup & Notes.....
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Test Setup & Notes.
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Old 23-01-2008, 05:48
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Default Test Setup & Notes.

Test Setup & Notes.

Here is the list of all the parts, in no particular order, backups/alternatives in red.
  • CPU - Q6600 G0/E8400 Wolfdale/Q6600 G0 (replacement).
  • RAM - Crucial Ballistix PC2-8500 2x1GiB/Crucial Ballistix Tracer PC2-8500 2x1GiB/Geil 2x2GiB PC2-6400 Black Dragon.
  • Cooling - Thermalright Ultra 120 Extreme/LittleDevil's Single Stage Phase Unit.
  • Graphics - 8800GTX/Nvidia 6200 Generic.
  • PSU - Corsair HX620W
The system will be built up on my desk on a box as per usual.

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The NorthBridge heatsink fitted.
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Old 23-01-2008, 05:48
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Default The NorthBridge heatsink fitted.

Here we have the board with the NorthBridge heatsink fitted.

It is easy to do, I just applied a blob of Ceramique to the IHS, lowered the heatink into place, gave it a twist and then pressed the two pushpins into place.

I would also like to point out that earlier in the review, I wasn't keen on the pushpins and feared that they might not support the weight of the heatsink, well I'm pleased to say that the springs on the pushpins have a good strong tension, and as such, there are no problems here, even with a fan.



Another angle.



And another.



During the fitting of the Thermalright 120 Ultra Extreme, I found that I was unable to fit it in the traditional method (upright with the fan blowing out the back of the case) due to the UE's widest heatpipe touching the NorthBridge heatsink, but all isn't lost, mounting it the opposite way allows your CPU fan to cool the NorthBridge as well.

This is how I have it fitted.




Next, the BIOS....
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