I needed another soundcard anyways so i'll be getting a $10.00 dynex sc5.1 and i'll be plugging this in:

Yamaha DB50XG/DB60XG Sound Daughter Board SW1000XG
Item# 200458972918$19.80 USD1$19.80 USD
Shipping and handling$13.00 USD
Insurance - not offered----
Total$32.80 USD
Payment$32.80 USD

FYI, here's all my notes on the subject:

Yamaha XG

re: qxgedit-0.1.0-2.rncbc.suse112.x86_64
which seems to be a linux version of
http://www.freedownloadscenter.com/Multimedia_and_Graphics/MIDI_Players_and_Editors/XG300.html

XG300 2.0
Analogue-style editor for Yamaha DB50XG, SW60XG and MU10. Uses the 'hidden' Yamaha QS300 mode to give youtwice the power of the basic XG voice. 2xOscillators,2xLFO's, 6xEnvelope Generators per voice. Saves andloads QS300 presets, effects banks and sequences. Lookslike a Prophet V synth. Includes Arpeggiators andAnalogue Step Sequencers. Saves and loads MIDI and SYXfiles. Real wood finish and custom knobs

http://en.wikipedia.org/wiki/Yamaha_XG
The DB50XG and SW60XG are discontinued, but the SW1000XG (also discontinued) has been popular in the professional music industry, and many of Yamaha's amateur and professional keyboards implement either XG or a subset, known as "XGlite".
http://www.soundonsound.com/sos/may98/articles/audiotrix.html
• Mediatrix cleverly integrates a DB60XG card (effectively a DB50XG with added analogue input), with its own full-duplex recording circuitry, into the Audiotrix card. Users of the 3DXG can thus have those Yamaha sounds from day one
• I doubt if I need to make any comment on the XG MIDI sounds -- I've been using these on my DB50XG for two years now, and have yet to hear a soundcard chipset that sounds better. 
• It's a clever idea to incorporate the Yamaha DB60XG into the design of the 3DXG, and this gives very good on-board synth sounds, as well as an excellent three-tier effects system. The overall sound quality is good, and in line with the deluxe consumer description that I used at the start of this review. If you want a soundcard with great synth sounds and excellent effects, and want to use it for occasional games, this would be a good but slightly expensive choice. If you want a card primarily for music, you may find yourself disabling many of the same features that endear it to games players -- the FM synth, joystick port, and so on, which leaves you with an XG synth and stereo WAV recording and playback through the XG effects. This, in essence, is what the forthcoming Yamaha SW1000XG will do (albeit with more effects and WAV channels, plus higher sound quality, but at a significantly higher price).
http://www.tomshardware.com/forum/257013-28-sw1000xg-windows-compatibility
• Get your SW1000XG out of the dust pile or out of the loft becuase the darn thing works under windows 7.   

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http://www.linuxquestions.org/hcl/showproduct.php/product/909/sl/y

yamaha YMF-724F ds-1
/sbin/lspci output: 00:13.0 Multimedia audio controller: Yamaha Corporation YMF-724F [DS-1 Audio Controller] (rev 03)

Yamaha XWave is based on ymf 754

http://ixbtlabs.com/articles/aopenaw754/
AOpen AW754 sound card 

• Let's, however, come back to our YMF754. Where is it better than its predecessor in terms of electricity? Like the 744, it supports the IEC958 standard of the digital interface SPDIF. Unlike the YMF744B (DS-1S) chip, the 754 supports the direct record from the SPDIF In, and at the same time it doesn't take SPDIF In resources when the Zoomed Video Port is operating. Besides, Yamaha states a considerable difference in power consumption. It turned out that the 754 consumes much less energy even at usual operations, not taking the Standby mode.
• The DS-1E supports PC/PCI and D-DMA protocols for DMA emulation in the style of the SB Pro on the PCI bus. Besides, it supports an old system of interruptions that use the ISA bus and the Serialized IRQ protocol. It ensures support for all games in DOS and says that the chips was worked out 3-4 year ago when it was actual. But as for me, it wouldn't play under DOS; you'd better do it in Windows, in DOS-window, with a more pleasantly sounding of the integrated in the card XG MIDI-synthesizer (if you have a General MIDI option in the game).


Supported by kernel -- note 754 is latest.
http://www.calel.org/pci-devices/alsa-device-list.html#Yamaha
Yamaha Corporation

YMF-724 1073:0004 ymfpci
DS1L Audio 1073:000a ymfpci
YMF-740C [DS-1L Audio Controller] 1073:000c ymfpci
YMF-724F [DS-1 Audio Controller] 1073:000d ymfpci
YMF-744B [DS-1S Audio Controller] 1073:0010 ymfpci
YMF-754 [DS-1E Audio Controller] 1073:0012 ymfpci

http://linux-sxs.org/multimedia/yamdsg.html
ALSA for the YAMAHA-DSXG

http://www.anime.net/~goemon/alsa/

Yamaha Waveforce 192XG YMF724 ymfpci  
Yamaha Waveforce 192 Digital YMF724 ymfpci  
Yamaha YMF724 ymfpci  
Yamaha YMF740 ymfpci  
Yamaha YMF744 ymfpci  
Yamaha YMF754 ymfpci


http://www.alsa-project.org/main/index.php/Matrix:Module-ymfpci


http://cgi.ebay.com/Aopen-COBRA-AW744-AW754-PCI-4-channel-sound-card-/280325735956?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item4144b74614#ht_500wt_956
US $8.50 + $2.00 shipping.
4 744's avail for 0.98 and $4.99 ship
http://cgi.ebay.com/AOpen-Cobra-PCI-Sound-Card-Yamaha-XG-AW744B-R-chipset-/170475824547?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item27b126a5a3#ht_500wt_1182
http://cgi.ebay.com/AOpen-Cobra-PCI-Sound-Card-Yamaha-XG-AW744B-R-chipset-/170475373969?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item27b11fc591#ht_500wt_1182
http://cgi.ebay.com/AOpen-Cobra-PCI-Sound-Card-Yamaha-XG-AW744B-R-chipset-/170474934151?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item27b1190f87#ht_500wt_1182
http://cgi.ebay.com/AOpen-Cobra-PCI-Sound-Card-Yamaha-XG-AW744B-R-chipset-/170474429046?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item27b1115a76#ht_500wt_1182

These use a different "maestro" driver for ESS... they have SPDIF but who knows how XGish the chip is....
(or did they license XG to ESS ??)

http://cgi.ebay.com/YAMAHA-XG-XWAVE-ESS-ES1989S-A571-T70-PCI-Sound-Card-/390127556604?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item5ad56a17fc#ht_500wt_956
YAMAHA XG XWAVE $14.95 + $4.95 used
http://cgi.ebay.com/NEW-Yamaha-XG-Xwave-ESS-Allegro-A571-T20-PCI-Sound-Card-/360192399589?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item53dd23d8e5#ht_1053wt_941
$9.95 + $9.99 shipping BRAND NEW BULK Yamaha XG PCI Sound Card. 

ESS ES1989S PCI Sound Card w/ Game Port 
 A571-T70
FCC ID LWHA571-T2

External Connections:
  Line IN
  MIC in
  Audio OUT
  SPDIF OUT
 MIDI / GAME 

http://cgi.ebay.com/Vintage-Yamaha-Xwave-XG-QS3000A-Based-PCI-PC-Sound-Card-/370347168748?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item563a6953ec#ht_3432wt_1167

No spdif

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http://en.wikipedia.org/wiki/Yamaha_YMF7xx

The XG synthesizer on the YMF7x4 series features not only basic XG System Level 1, but also some of the MU-50 additions, and can reproduce most musical data previously programmed for the popular DB50XG daughterboard. YMF7x4 cards shipped with a 2 MB wavetable bank of 8-bit samples by default, which must be loaded into system RAM during booting. Neither the resolution nor content of the wavetable bank are hardware limitations. A user can load his own banks using third-party tools to further improve sound quality or completely change the set of instruments. As with most other XG standard tone generators, YMF7x4 can switch itself into TG300B mode, which is an emulation of the Roland GS standard that allows adequate playback of musical data bearing the GS logo.

YMF744 and its variants, which feature four-channel output. The final and most advanced version of the YMF7x4 chipset series is the YMF754, which also features standard four-channel output, but adds lower power consumption features. The most feature-rich soundcards based on the YMF754 are the Labway XWave 6000 (which has an additional hardware chip to emulate 5.1 surround sound and a six-channel amplifier providing 2W per channel) and the Hoontech SoundTrack i-Phone Digital XG (which features an additional connector for an included speech-optimized headset microphone as well as support circuitry that limits feedback in telephony applications).

http://en.wikipedia.org/wiki/XG_(midi)

•  In 1994, Yamaha released the first XG-based product: Yamaha MU80 Tone Generator. In 1995, Yamaha released the first XG-based product for PC users, the DB50XG daughterboard, a Creative Wave Blaster competitor. In 1996, Yamaha released MU10 external module, basically a DB50XG in a case and later the SW60XG ISA PC card. Coupled with their tone-generator, both devices included an on-board 4MB sound bank chip of sampled instruments and became highly desirable among MIDI fans due to their crisp, high-quality sound[citation needed]. These devices feature an effects processing system with individual stereo reverb and chorus effects on any of 16 channels, and the ability to route any of the channels through an additional 'insertion' effect, and even guitar amp and wah-wah pedal simulations. Yamaha's in-house song-writers often utilized these tools to demonstrate the power of the XG format, notably recreating Jimi Hendrix leads complete with feedback, flamenco guitar with distinct pick/hammered notes and finger slides, growling saxophones, and even a very convincing sitar[citation needed].
• Many notebooks include the Yamaha YMF7xx chipset which has a scaled-down XG-compatible MIDI synth. Available only in Japan also is a DB60XG, effectively a DB50XG with an analog input[1].
----------------------------------------

Alternate idea -- get an MU10:

Housed in a little grey box (smaller than a video) that belies the sonic power within, the MU-10 module (latterly also termed 'Waveforce') is an external MIDI module that is inexpensive yet powerful (16 part multitimbral, 32 note poly) and user-friendly. It appeals to the beginner and more advanced user alike, and is good for a range of musical styles though it can excel at house/techno/garage if used with the XG Gold shareware editing program (see below). They are no longer produced - if you see one, buy it (though don�t mistake either the MU-5 or MU-15 for the MU-10).
The MU-10 can act as a high quality synthesizer, a MIDI soundcard (one MIDI in, one MIDI out), and an effects unit. Connects to a PC via a �To Host� lead (supplied), but can be played without any PC connection using a suitable MIDI keyboard. There are two 1/4" jack analog inputs (each with a gain slider) which can route external inputs through the effects busses for digital processing - great for guitar and vocals. Nine volt DC operation - use batteries or, better, a mains adaptor. The MU-10 is arguably the best of three closely related models because of its portability, ease of use as effects unit, and slightly lower noise floor than the other two (perhaps because it is an external unit). Priced at about UK pounds 200 when first released.

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Or get a db50xg w/o a soundcard and hook it up (== MU 10)
http://www.yamaha.com/yamahavgn/CDA/ContentDetail/ModelSeriesDetail.html?CNTID=707&CTID=207700


although it'll be easier to get a Dynex 5.1 sound card which uses the VIA envy24 and has waveblaster header for the card...

http://atari.nvg.org/db50xg/
Waveblaster pin-layout

2,4,6,8,10,12,16,18,20,22,24,26: Ground
3: MIDI in
The MIDI-input is TTL, so you'll need some circuitry to convert the standard MIDI current loop to TTL.
14,1,7,11,15: Not connected
5,9,13: +5V
17: +12V
21: -12V
19: Audio out, right
23: Audio out, left
The audio-outputs are standard line-level, but can't deliver enough juice for headphones.
25: Reset
Reset is active low.


http://midibox.org/forums/index.php?/topic/8127-put-waveblaster-daughter-board-yamaha-db50xg-in-a-box/

http://vogons.zetafleet.com/viewtopic.php?t=16207

http://www.megatrade.ru/English/db50faq.html

Almost all XG products, including the MU80, MU50, DB50XG, and SW60XG, have a TG300B mode. A GS reset message automatically activates this mode, allowing playback of GS music data.



Niels
http://nielsmayer.com