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In Reply to: RE: cMP - the open source high-end Memory Player posted by cics on December 30, 2007 at 05:42:01
Hi all
Surfing the net, some days ago, I've bump into this incredible CPU: 32W only, half the power consumption of i3 530!
So, with no news about a similar existing cMP2 setting, I've search for a Mobo. Just some hours of of study and I've ordered a 1155 socket mobo, the Gigabyte GA-H67-MA-UD2H-B3, rev.1.1. plus a CPU cooler Thermaltake Slim X3
This is my "old" HW:
- OCZ Agility SSD 3,5 64 Gb
- Kingston KVR 1333D3N9/1G DDR3 10600 ram ( 1 ONLY)
- Seasonic X 650, the dirty PSU feeding CPU P4 (through a run of 4000 mF of Elna Silmic II, )USB, SSD and external HDD
- picoPsu 150 XT
- 1 Peaktech (12 V for pico and Asus Xonar Essence)
- 1 Peaktech( 5 V for Xonar Asus Essence)
Et Voilą the Sandy Bridge cMP2!
First good new: the SSD with XP and cMP works plug and play!!! Just install the drivers for the chipset ( no Realtek, no video enhancer etc...). Migration from H55-H57 chipset is easy and safe: excellent!
Second good new: the improvement of power consumption of Mobo is astounding: with my old system ( i3 540+ GA H55-MA-USB3) peakteck (12V) shows 2,2-2,3 A. now 1,56 A. Also during the start operations current is never higher. Pwr consumption of Asus is 300 mA so new setting is spending only 1,3 A for the entire MoBo ( no P4).Now is easier to build a linear PSU!
Third good new: SQ improve in every parameter. I cannot believe it. Now must spend a while for burn in new components but every aspect of music reproduction is better: transparency, dynamic, resolution of low level signal, ambience, timbre.
First bad new: Mobo doesn't support PCI. Only the regular ATX form H67 has one or two PCI slot, but chipset has a direct connection with PCI-E only.
This is a problem but this seems the trend for the future. PCI is in exhaustion!
Second bad new ( or not?): BIOS is not so manegeable like the previous. The Underklocking is not possible and the undervolting is limited.
But it' difficult to think an heavy undervolting in a so "spare power" CPU
Here my setting. Lower than these the mobo doesn't start.
Last, I've applied all little upgrades of gjw audio: they works very well
Follow Ups:
Not sure if you had used GIGABYTE MB's in the past.
Thanks for your report.
One would think with lower inherent power consumption that some of the de-tuning steps might not have the same importance?
BIOS of h55/57 and h67 Giga mobo doesn't got ctrl+F1 function.
You'll enter straight on in the advanced setting only pressing end button.
BIOS setting of h67 is flexible like the previous model but the difference of power consumption and CPU efficiency make difference on the setting.
These characteristics are today the best available, IMHO, for a cMP2 project and the SQ of this new HW system is better than the older one.
Obviously this is my "audiophile" opinion, now I can only wait for some follow up about it
I did notice the ADVANCE CPU CORE FEATURES which allows you to use only one core, along with other things that will correspond to earlier MB's recommendations.
I am inringued by the CORE CURRENT LIMIT and the other power limiting things. Whether they allow you lower limits is not explained in the manual.
For me, PCI is a requirement since I am using a modded JULI@ that I have no desire to replace.
For your Juli@ you may be interested in Gigabyte GA-Q67M-D2H-B3 motherboard. GB is probably about to release a whole series of Q67 chip based motherboards.
Gigabyte GA-Q67M-D2H-B3 is not interested for cMP2 system as it's bios is very lite w/o underclocking and other advanced settings (see manual http://download.gigabyte.us/FileList/Manual/mb_manual_ga-q67m-d2h-b3_e.pdf).
In this sense it is much more interesting ASUS P8Q67-M DO http://www.asus.com/Motherboards/Intel_Socket_1155/P8Q67M_DO/
http://cmp2-mihaylov.narod.ru/
One more thing to do!
maybe the owners manual is REAL early and not accurate.
If this is true, very disappointing.
Much simpler board, only two memory slots.
BIOS looks like what we expect from GIGABYTE.
Now, when will these be available?
Hi! Whether it is possible to install CPU Clock Ratio below x25 for i3 2100T?
http://cmp2-mihaylov.narod.ru/
Hi Daniele,well done! Less power consumption is good news for cMP!
A few questions -
1) Did you migrate from old official Gigabyte MB to this one without reinstalling?
2) Did you leave ACPI on S3 for a reason? Is it related to no CPU underclock?
3) What's the exact consumption on P24? Please specify what you have on it that draws power.As I told you in a different conversation, the just released Q67 (also Q65) chipset microATX motherboards do have native PCI support. That is the one I am waiting for...
Furthermore, are you saying that your H67 motherboard supports PCIe 1x for your Asus Xonar Essence STX sound card?! In the past cics gave his concerns for coupling sound card and CPU on PCIe 16x...
Edits: 05/08/11 05/08/11
Funny to see btw I have the same MB/Chip currently with a Seasonic X650 PS..
Sorry
I forget to write that I get a Xonar Asus Essence STX fully modded
( Burson discrete opamp, Silmic II and Rel cap capacitors, newclassD regulators) for an "all-in-one" transport. It's a PCI-E Soundboard
I dislike separate digital devices
Where did you get your tricked out Xonar Essence STX ???Also, are any of the component upgrades for the SPDIF digital outs, or just the analog output paths?
Thanks,
TimP.S.
I pulled mine apart. There are 3 8-pin sockets under the RFI shield.One I can't read, but the other 2 are JRC 2114D op-amps.
From the circuit board layout, these appear to be dedicated to the stereo analog outs (not the digital SPDIF out).
Edits: 05/18/11 05/18/11
Hi Tim
I don't use digital output so my modding was only for the analog part.
Maybe in future I'll post a short manual of ST/STX Modding in english, for a cMP2 analog use and not only like the original digital transport.
I've found this use astounding, it worth the effort. And you'll can forget any problem about cable, connectors, external DAC ( ultimately they grows up like mushrooms after the rain.....)
Daniele
Here you'll find the original italian threads
http://www.nexthardware.com/forum/cmp-cmp-cplay/72759-asus-xonar-essence-st-stx-parte-seconda-lupgrade-estremo.html
http://www.nexthardware.com/forum/cmp-cmp-cplay/72414-asus-xonar-essence-st-stx-parte-prima.html
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