Computers| Computers |
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04-11-2003, 04:49 PM
| #1 (permalink) |
| Newb Techie Join Date: Apr 2003
Posts: 1
|  soundblaster 5.1 to front audio jacks problem hi ppl i just got this case with a mic and speaker jack at the front of the case. like most new cases have it standard. the thing is my soundblaster live 5.1 has like a 40 pin (20x2) connector sort of shaped like an ide pin for connection to its $200 live drive. now as i only need the mic and speaker outputs i dun intend on spending 200 bucks on that. the mic and speaker jack are like on the pci card itself using 1/8 inch jacks. i need to know how to connect the five pins from my front jacks to my soundcard. the five pins are labled as EAR L, EAR R, GND, MICGND and MICDATA. the pins on the soundcard are labelled as follows: Pin Name Description 1 VCC +5V power supply 2 VCC +5V power supply 3 GND Ground 4 AC97CLK 24.5 MHz clock output 5 GND Ground 6 GP_SPDIFIN#2 SPDIF input signal 7 GND Ground 8 GND Ground 9 SPDIFO#3 SPDIF Out signal 10 GPO1 General Purpose Output #1 11 GPO2 General Purpose Output #2 12 GND Ground 13 GPO0 General Purpose Output #0 14 GND Ground 15 GP_SPDIFIN1 SPDIF Input signal 16 GND Ground 17 SPDIFO#0 SPDIF Out signal 18 GND Ground 19 SPDIFO#1 SPDIF Out signal 20 GND Ground 21 GND Ground 22 SPDIFO#2 SPDIF Out signal 23 GPI0 Digital Input (GP Input 0; Reserved) 24 GPI1 Digital Input, (GP Input 1; Reserved) 25 OUTMIDI MIDI Output 26 GND Ground 27 INMIDI MIDI Input 28 GND Ground 29 KEY 30 KEY 31 ADCSDO2 I2S audio data input. 32 GND Ground 33 ADCSDO1 I2S audio data input. 34 GND Ground 35 ADCSDO0 I2S audio data input. 36 GND Ground 37 I2SCLK I2S serial bit clock. 38 GND Ground 39 I2SFS Frame sync. 40 GND Ground as u can see its all a bit too hard to understand for novices like me so im here after an exhaustive but unfufilled search on the net. pls, any help will be great. thanks |
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04-11-2003, 05:46 PM
| #2 (permalink) |
| Super Techie Join Date: Apr 2003
Posts: 307
| The front panel connectors should have a standard plug.. if that plug does not fit onto your soundblaster then you are screwed... if the front panel has seperate wires and plugs for the mic and the audio ports then you will need to connect the red wire side of the plug to a SPDIF input and the black side to a GND for the mic and for the audio input you will need to use 33,34 & 35,36... red and black respectively.
__________________ Thou shalt not follow the NULL pointer, for at its end lay madness and chaos. -Shroud, CCNA, MCP  |
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04-13-2003, 07:46 PM
| #3 (permalink) |
| True Techie Join Date: Jul 2002
Posts: 154
 | I tried this once too. The 40-pin connector on the SB Live only has digital outputs/inputs. You have to build a digital/analog converter circuit. Anyway, I just ended up connecting the wires to a standard 1/8" plug which runs through the back of my case and plugs into the jacks on the soundcard. I use a headphone splitter so I can still have speakers hooked up or use the headphone jack on the front. If you are familiar with building circuits, this page might help: http://www.andrewkilpatrick.org/projects/spdif. Good luck - and if you get it to work - please let me know how so I can build the circuit myself!
__________________ IWill XP-333 / 384MB PC2100 DDR / AMD T-Bird 1.33GHz (o/c to 1.40 until I get a better CPU cooler!) / VisionTek GeForce4 MX440 / SB Live! X-Gamer 5.1 / Maxtor 20GB 7200 RPM HD / Toshiba 8X DVD / Sanyo 40/12/40X CD-RW / Win XP Home  |
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