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Alternative Audioproductions
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CA0108 chipset (10k2) pinout partially uncovered
Hi all there,
for anyone who´s interested in some technical facts: I traced my Audigy2Value (SB0400) and found some interesting pins on the custom chip. For now I can say that 2x MIDI I/O, 3x SPDIF inputs and 4x SPDIF outputs are available and working. All levels are 3.3V/0V CMOS levels. I2S could also be possible but this is not tested yet. To Eugene: The SPDIF inputs appear normally in kX-driver as "CD-SPDIF", "Optical/Coaxial SPDIF" and "ZVideo", so SPDIF A, SPDIF B and SPDIF C in the status window. The SPDIF outputs mirror the signal of the analogue outputs "Front", "Rear", "Center/LFE" and "Headphones". They are not independently accessible via "Digital Front", "Digital Rear", "Digital Center/LFE" like on any other Audigy2 / Audigy1. I think this is due to different register mapping inside the chipset. Tested with kX3545b. Last edited by TravelRec.; Mar 22, 2009 at 12:55 PM. |
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#2 |
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DriverHeaven Extreme Member
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Re: CA-108 chipset (10k2) pinout partially uncovered
That's actually pretty cool
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#3 | |
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
Cool, I wonder if the Audigy 4 value is similar.... I've got one but there's no additional inputs available beyond the line in and mic in.......(no aux, CD, or SPDIF) Well there is a digital I/O jack on the back but I've nothing to utilise that jack with. This card works but it's basicly useless for my setup.
Good that you are still testing and developing for these old cards TravelRec. My hands and eyes are getting to the point of not being able to solder that fine a layout anymore, but kudos on your work.
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Re: CA-108 chipset (10k2) pinout partially uncovered
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#5 | |
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
The Audigy4 I have comes up as a 10k2 with KX drivers but there is a different designation printed on the chip itself. I will pull it out later today and check/report back, I wanted to do some other work on that system anyways, so "while I'm in there" .....
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Re: CA-108 chipset (10k2) pinout partially uncovered
Okay - please post a picture of your card. I seen many models branded as Audigy4 in the web, and different chipsets are used.
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#7 | |
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
Here's a photo of the Audigy4 that I have. It works, sounds great it just doesn't have the ins and outs that I would use for multi channel recording. But it was free so why not......
About the rest of my gear, I don't have any outboard gear with SPDIF, what I've been doing is all analog input and chaining a Live! via SPDIF to my Audigy Platinum (with the Drive) CD digital input, just to get two extra channels. I'm still in the process of getting that setup, so I haven't done much serious work with it. I'm also way behind the curve on figuring out what all the KXdrivers can do.
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Re: CA-108 chipset (10k2) pinout partially uncovered
Hi Tyrsonswood,
your card looks like my A2Value except that the chipset ist CA0103, which is similar to the CA0108. The layout of the card looks pretty the same. It´s astonishing, how many identical cards are sold under different brand names... So what you can get, if you expand your card with SPDIF I/O is the chaining feature with other cards. Since the card has the 2nd UDA-codec, it can record 2 analog stereo sources at a time, the AUX_In on the card ist routable to UDA and the Line_In is routed through AC97. Of course the card is a full 10k2 with all the DSP ressources and so usable with many FX. BTW: My SB0400 is inbetween working with one SPDIF_In and one SPDIF_Out I deceided to add an AUD_EXT header to the card. Greetinx! TravelRec.
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#9 |
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DriverHeaven Extreme Member
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Re: CA-108 chipset (10k2) pinout partially uncovered
I am liking this topic and my eyes are still better than average and I do solder well. Perhaps we should plan an old fart audio beer bash down the road lol
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Re: CA-108 chipset (10k2) pinout partially uncovered
Fortunately not all wires have to be soldered on the small pins of the chip itself, some pins are routed to resistors or pads, where the wires can be soldered on. This helps to prevent going crazy
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#11 |
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DriverHeaven Extreme Member
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Re: CA-108 chipset (10k2) pinout partially uncovered
That does help and actually what I have to do for the Vdimm mod on my MSI board. Was supposed to be this weekend but ran out of time
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#12 | |
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
I just setup a different system using that Audigy4 value card ...... it's probably going to be the only card in the system as it's a micoATX board but adding some kind of "drive bay" setup, even if home made, would be possible with this mod, right?
If it's possible to add an AUD_EXT then an audigy drive would work except for the firewire port I would imagine. Or am I reaching on that one?
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Re: CA-108 chipset (10k2) pinout partially uncovered
If you add an AUD_EXT Header, you will get limited support for the Audigy drive. Note that AUD_EXT will only support older drives for Live! and Audigy1 cards. For Audigy2 drives it´s necessary to implement the newer AD_EXT header. Only the AUD_EXT supports 2 SPDIF inputs, with an additional jumper header (CD_SPDIF) you can have 3 SPDIF inputs. I2S is not tested, so all A/D converters in the drive are not supported yet. I need more information about it.
Greetinx TravelRec.
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Re: CA-108 chipset (10k2) pinout partially uncovered
Hi again,
here is the preliminary list of relevant pins. The chip is numbered counter-clockwise from the circle corner mark on the upper left side, if the PCI socket is on the lower side of the card: 001 - MIDI#1 IN 089 - GND 091 - GND 097 - Vcc 3.3V 102 - GND 106 - FrameSync Out I2S #0 107 - BitClock Out I2S #0 109 - Serial input I2S #0 111 - MIDI #2 IN 112 - MIDI #2 OUT 113 - Vcc 3.3V 115 - SPDIF_Out #2 (Headphones) 116 - GND 117 - SPDIF_Out #1 (Center/LFE) 118 - SPDIF_Out #0 (Front) 119 - SPDIF_Out #3 (Rear) 122 - GND 124 - SPDIF_In #1 (Optical) 132 - SPDIF_In #2 (Z-Video) 133 - SPDIF_In #0 (CD_SPDIF) 135 - Serial input I2S #2 136 - BitClock Out I2S #2 137 - GND 138 - FrameSync Out I2S #2 139 - SerialData AC97 140 - BitClock AC97 141 - Vcc 3.3V 142 - FrameSync AC97 143 - AC97 MasterClock Out 24.576Mhz 145 - GND 148 - GND 155 - GND 159 - BitClock I2S DAC 160 - FrameSync I2S DAC 161 - Center/LFE Serial Out 164 - Headphones Serial Out 165 - Rear Serial Out 176 - MIDI #1 Out Use this pinout at your own risk. Pins with a question mark are not further characterized. The list will be updated, if new functions are clear to me. Greetinx TravelRec.
Last edited by TravelRec.; Apr 2, 2009 at 07:58 PM. Reason: List update |
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#15 | |
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Îòâåò: CA0108 chipset (10k2) pinout partially uncovered
Quote:
![]() Have a look at the current epilog code - there might be some kind of data copying that applies to this chip. E. |
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Re: CA-108 chipset (10k2) pinout partially uncovered
Hi Eugene,
thank you for the tip. Currently I use ProFX 'kXlt' to access the different outputs. BTW: the correct name of the chip is CA0108-IAT or CA0108-DAT with the inbuilt P17V and it is used on A2Value cards "SB0400" and some EMU cards. Edit: Have done some tests with epilog plugin, with both epilog lite and the full epilog the behaviour is the same as with ProFX, the digital out signals are mirrors from the corresponding analogue signals. Last edited by TravelRec.; Mar 27, 2009 at 07:05 PM. |
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#17 |
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Îòâåò: CA-108 chipset (10k2) pinout partially uncovered
it seems this might be a p17v routing problem... the p17v is configured similar to p16v, but the chips are not 100% compatible...
E. |
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#18 |
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HardwareHeaven Senior Member
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Re: CA-108 chipset (10k2) pinout partially uncovered
Cool findings, TravelRec.
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Re: CA-108 chipset (10k2) pinout partially uncovered
Eugene,
are the 10k2 outputs are routed through P17V by default or has the driver the routing under control, e.g. can the problem be fixed? I´m here for doing tests if you want to post any ideas or code. |
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#20 | ||
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
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TravelRec, So, if I wanted to just add a CD_SPDIF input to this card so I could chain a live! card to it I would use pins 133 and 122. Would I need any additional components, or could I just go straight in? (I would be coming from the SPDIF out from the 40 pin AUD_EXT on the live! card.) If so, I would have 6 channels input to my DAW, right? You said I can map AUX and Line at the same time, I believe, so I should get Line In, 2Xmono, AUX IN 2Xmono, and CD_SPIDIF, 2Xmono, Correct? I'm still trying to wrap my head around this...... ![]() Thanks ![]() * I snipped a little out of your post just to save space.....
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Re: CA-108 chipset (10k2) pinout partially uncovered
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Re: CA-108 chipset (10k2) pinout partially uncovered
Hi again,
I found an I2S input #2 working on Pin 135. Pin 136 and Pin 138 are the corresponding BitClock and FrameSync. The List above is updated too. Greetinx TravelRec
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Re: CA-108 chipset (10k2) pinout partially uncovered
Hi,
yesterday on this thread the complete pinout was posted: http://www.hardwareheaven.com/general-...t-audigy2.html I will check the functions and reply with the results. |
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#24 |
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DriverHeaven Extreme Member
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Re: CA-108 chipset (10k2) pinout partially uncovered
Good info to have thanks for checking for us
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Re: CA-108 chipset (10k2) pinout partially uncovered
So... I2S#2 on Pin 109 is also working // the BitClock and FrameSync signals on pin 106/107 or 136/138 can be used for both serial inputs. I2S #1 is mapped to the UDA codec.
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#26 | |
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HH's curmudgeon
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Re: CA-108 chipset (10k2) pinout partially uncovered
TravelRec,
I'm going to pull this thread back up for a while if you don't mind. I'm going to have a few questions about this A4 value I have. I was looking at the card tonight and tracked down the CD-SPDIF in (pin 133) Tapping into this should not be very difficult but right now there is a 3.3K ohm resistor to VSS (ground) connected to this pin. If I were to bring a signal from another card into this, through the 100 ohm resistor as you suggest would the 3.3K stay there? Or should it be removed? (I figure it would stay but I don't know digital as much as I know analog, so I ask the pro) Also, I'm thinking about adding a SPDIF out to the card, Just in case I wanted to set up cards the other way around.... ie. A4 SPDIF out to the CD_SPDIF in on another card. Which output would you recommend, or does it matter just as long as the routing is correct...... is there a benefit of one over the other? From the pinout these would be 117, 118, 119...... (I guess 115 is an option as well) Is there any additional circuitry needed for a SPDIF output? I have an Audigy drive coming in (A1 drive so it's AUD_EXT) and have a Live! SB0100 with the header.... these "should" work together and have much of the drives capability accessable to the Live! (I have a Live! SB0060 and the matching Live! drive in a different system and the drive is almost identical (except for firewire) to my SB0090's Audigy1 drive setup.....) the drive I have coming in should be identical to the Audigy1 drive I already have. (all of these are AUD_EXT drives) If I have the A1 drive on the Live! card I may want to bring this A4 into the CD_SPDIF in of the Live! card........ instead of the other way around, thus the reason for adding a SPDIF out to the A4 value. And, Yes! I'm collecting quite a few of these AUD_EXT drives here..... 3 so far but I have 3 systems involved with my project here.Thank you for all the info.
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Re: CA-108 chipset (10k2) pinout partially uncovered
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BTW: Just today I built in the modified A2V and all 3xSPDIF in / 3xSPDIF out / 2xI2S in are working with the modular audio system. Website is updated too. Pictures will follow. |
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