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Old 9th February 2013, 10:03 AM   #231
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Join Date: Jun 2003
Location: Portugal
Thank you enjoybiking for your help . I tried everything , i even bought a Lenovo X41 like our forum companion micil did no way . I found out that it works instantly on AMD machines and fails at Intel ones so i think there is a problem with my unit but Hifimediy would not accept its return by now after more than a deceveing month . Now im looking for a Turion mobile to end with this problem .
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Old 9th February 2013, 06:36 PM   #232
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Location: Madison, Wisconsin USA
Default Makes no sense.

Quote:
Originally Posted by TugaTweaker View Post
Thank you enjoybiking for your help . I tried everything , i even bought a Lenovo X41 like our forum companion micil did no way . I found out that it works instantly on AMD machines and fails at Intel ones so i think there is a problem with my unit but Hifimediy would not accept its return by now after more than a deceveing month . Now im looking for a Turion mobile to end with this problem .
Not meaning to offend you but it makes no sense. Unless you have some crippled version of WIndows 7. The UAE23 and anything using TE7022 {ala ODAC} should work with a very wide range of systems, Intel for sure, and Windows, Linux, and OS X. For making a NICE economical DAC {selling for under $50 USD} HifiDIY made a great choice! If your DAC works on ANY system it probably is healthy. If you are busy reloading... maybe try Linux? I don't know which is best; I do not use Linux -- watch out, a discussion about the best Linux might get worse than who has the best DAC HAH!! You may even be able to use a Linux LIVE BOOT CD and play music that way, from FLAC on a USB drive? If that works... I am not an expert but I believe later versions of Linux will have native USB class 2 support and Kernel streaming... purely for playing audio, it might actually be better than windows?

I posted links to 3 sets of drivers, but WIndows 7 should be able to play through your UAE23... maybe not as well. I have never used a TE7022 USB receiver on a NON-Intel system. I have Many Intel, even my Macs.
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Old 9th February 2013, 11:50 PM   #233
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First time i used it was at Windows 8 64bit on Supermicro 7XDCAL and it worked at least 3 minutes for a song and never more . Now i have USB\DEVICE_DESCRIPTOR_FAILURE
Hardware Id . Its L7022 failure i think .
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Old 10th February 2013, 01:12 AM   #234
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it's a shame the seller won't help. It could just be a bad cable connection. Cable quality in China can be awful.

Last edited by KlipschKid; 10th February 2013 at 01:15 AM.
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Old 10th February 2013, 04:12 AM   #235
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Default UAE23 drops out, Windows 8

Quote:
Originally Posted by TugaTweaker View Post
First time i used it was at Windows 8 64bit on Supermicro 7XDCAL and it worked at least 3 minutes for a song and never more . Now i have USB\DEVICE_DESCRIPTOR_FAILURE
Hardware Id . Its L7022 failure i think .
It would be interesting to know if it works on one of your systems uninterrupted and flawlessly, or, not? Clearly it could be a thermal intermittent but I should think NOT CPU dependent. I would be tempted to pop the cover on the DAC and place some test-point wires. If you were close by I'd trade DACs with you. I like a good puzzle. Do try a Linux Live CD if you CAn...see if you can play FLAC and if it drops out or plays a whole album or playlist. I also run my UAE23 units from USB isolators so they always get external power. If you have a setup that WILL play the UAE23 without failures, probably you hae other problems. If it is the DAC assy, well, there are alternatives ODAC PCB only at around $100 USD, the QNKTC
AB-1.2 USB DAC $135USD shipped with case.




you start to see, the UAE23 is a pretty good value. A similarly priced worse DAC with PCM 2707 or whatever TI USB receiver is priced about the same?

Have you proven the DAC always dies? Or can it work good with Linux say Ubuntu LIVE! CD? Tried on an Apple OS X system yet? Loan to a friend?
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Old 10th February 2013, 11:43 AM   #236
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Yes it works flawlessly at an AMD nforce DFI Lanparty NF3 Ultra , and at an old VIA C3 netbook , no cable problem. I checked Ubuntu 12.1 too . Im not saying its not a good deal in fact it sounds really good and i will mod it with a good TCXO when i settle this .

Last edited by TugaTweaker; 10th February 2013 at 11:46 AM.
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Old 10th February 2013, 12:43 PM   #237
mfaughn is offline mfaughn  United States
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Quote:
Originally Posted by TugaTweaker View Post
Yes it works flawlessly at an AMD nforce DFI Lanparty NF3 Ultra , and at an old VIA C3 netbook , no cable problem. I checked Ubuntu 12.1 too . Im not saying its not a good deal in fact it sounds really good and i will mod it with a good TCXO when i settle this .
I would not be surprised if the problem were substandard driver implementation on the Microsoft side.

The real test is to do exactly enjoybiking suggested and fire up a Linux distro from a live boot USB stick on the computer that is giving you trouble. If it still doesn't work on that computer then it isn't the OS. I'll recommend Linux Mint MATE. Download ISO, burn ISO to DVD, set your BIOS to boot from CD, go. You may get a command line interface when you start up. In this case I think you just type "live boot", "livecd" or something like that. Mint is stable and has a familiar look and feel to anyone that has used XP (i.e. everyone). I have used Ubuntu with this DAC (Mate is the Ubuntu kernel wearing different clothes). You'll need to go into the sound prefs and set it to use the USB device instead of onboard sound. This test should be pretty definitive and really easy to carry out.


<rant>I am a computer scientist and do have to deal with Microsoft products from time to time. Their products stink. Bad. Just because they are big, and everybody uses their products doesn't mean squat. Wal-Mart is big too but it isn't were you go when you are thinking quality and reliability. Where I work we all agree. MS products are a mess and are responsible for all sorts of problems that could have been avoided (and have been avoided in other OSes). I could go on but I won't. Point being that if the problem is due to a crappy MS driver or with Windows kernel doing something weird, then it is no surprise. There should be no difference difference between AMD and Intel. They share the same general instruction set (i.e. language). If someone did leverage part of the extensions available on only one processor family or another then I would expect the USB device to fail on all processors like the one in question here and that clearly isn't happening.</rant>
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Old 10th February 2013, 07:38 PM   #238
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Default USB woes

Quote:
Originally Posted by TugaTweaker View Post
Yes it works flawlessly at an AMD nforce DFI Lanparty NF3 Ultra , and at an old VIA C3 netbook , no cable problem. I checked Ubuntu 12.1 too . Im not saying its not a good deal in fact it sounds really good and i will mod it with a good TCXO when i settle this .
Usually the other way around, but, have your tried a PCI plugin-in USB card? Possibly based on the NEC PD720101 chipset? It sounds like your SuperMicro motherboard is nice but less of a consumer item. [I have a Dell Precision 690 like it].

As you may have read, I ended up with a FOX 924b 12.0MHz TCXO. The NEXT MOD I will be trying is running the MCK aysnch at 50.000MHz -- it seems I can get at the MCK trace top-side to cut it and scrape the ES9023 side of it [NO COFFEE B4 you try this]. Adding a third or fourth regulator ON the UAE23 is not going to be fun -- possibly married to the upside down Fox clock. The clock I chose to try is Digikey's 631-1197-1-ND it can be confusing looking up the clock by FXO-HC736R-50 $1.51USD I hope it works. For the first TCXO I shared the TE7022's regulator, then added a dedicated 3.3 for the DAC. [all I had on hand]. I have also 75Mhz Osc{s} coming, that may be a stretch for MCK on this DAC, I have not met anyone who has tried it. I have Epson and Fox models coming.
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Old 11th February 2013, 04:08 AM   #239
diyskat is offline diyskat  Australia
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Quote:
Originally Posted by enjoybiking View Post
As you may have read, I ended up with a FOX 924b 12.0MHz TCXO. The NEXT MOD ...
Would you mind posting a little "How to" guide later?
I can see quite a few posts in the thread mention pretty interesting mods but unless one is an experienced audio EE, it is rather difficult to replicate them from the very limited detail provided.
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Old 11th February 2013, 03:14 PM   #240
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Default UAE23 MODS Guide {proposed}

Quote:
Originally Posted by diyskat View Post
Would you mind posting a little "How to" guide later?
I can see quite a few posts in the thread mention pretty interesting mods but unless one is an experienced audio EE, it is rather difficult to replicate them from the very limited detail provided.
I have to streamline how I get pictures in from my digital cam, for the words alone would not suffice.

Adding a 12.000 Mhz TCXO, Revision 0.9. Acquire Fox 924b TCXO
FOX924B-12.000 aka Digikey 631-1068-1-ND. You'll probably want to have some wire-wrap wire 30Ga Kynar with a good wire-wrap wire stripper since you will need to strip oh 1mm or 2-3mm and tin it then trim it back. I wired the clock upside down so the pads are visible [print out the datasheet pinout!!]. carefully remove the 12.000 Mhz crystal, it has the 2 leads, one towards outside edge of the board one more inboard. The inboard crystal hole goes to PIN#37 "XI" on the TE7022. Attach Fox 924B's clock output to the more inboard {long-wise} crystal hole. GND for the clock is easy to find, and +3.3 comes from a spot in the center of the board on the solder-side. Traces leave a + cap lead there like a star. SO this paragraph describes how to JUST replace the crystal with a good TCXO, nothing more. Wire-wrap wire is pretty much a staple in this mod. Doing JUST this mod means you are using the same 3.3V for the TE7022, the ES9023, AND the oscillator, which is not ideal.

I did the above while also adding a separate regulator for the DAC [so oscillator and TE7022 till sharing a Vreg] , and a resistor on the Vreg pin #6 of the DAC to ground. Google ODAC yoyodyne and scroll down you can see the ODAC schematic there...they use 118K to ground off DAC pin 6 [there are pads on the UAE23 for an SMD R but they are not in use]. You need SMD, 080# size maybe oh, some value below 220K at 3.3V DAC or below 133K 3.6V DAC [UAE23 has it running at 3.3 stock]. I used 100K at 3.3VDAC and am happy with the result. Pads are tiny, someday I will try a POT with fixed series R spanning those pads ES9023 Pin 6 to ground. Maybe 50K fixed in series with 200K POT wired as a variable R [both not on the board] and get out to them with wire-wrap wire [soldered] or some micro shielded wire like TwinAx. There are various places to add regulators on the board, none of them fun. I have thought about physically stacking them, qty 2 might just work.
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