VOGONS


First post, by Warlord

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Yamaha XG Configuration.

Theres a geforce2 go and a yamaha XG in the 2805-s402 series laptops. A couple other skews had the same config.

The XG implementation is that the codec sits on IRQ 11 as a PCI device and the legacy sound system is mapped to IRQ 7.
On my model the Geforce 2 go is mapped to IRQ 5 which isn't an issue.

Setting up the laptop so that you can use the XG in pure dos isnt that hard as long as you follow my advice.
I have tested Prince of persia, decent, doom etc all works fine. In decent you can use sbpro for effects and OPL3 as music. Though id recommend playing games that have General Midi in 98 under dos box because the native wave table of the XG is pretty good. It's quality is up there with Roland.

Warlord wrote on 2020-10-19, 21:53:
Drivers Modified DOS Driver for Toshiba 2805 Series. download/file.php?id=94316 VXD Drivers http://cdgenp01.csd.toshiba.com/cont […]
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Drivers
Modified DOS Driver for Toshiba 2805 Series.
download/file.php?id=94316
VXD Drivers
http://cdgenp01.csd.toshiba.com/content/suppo … s/t820snd95.exe

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Last edited by Warlord on 2021-01-06, 19:00. Edited 6 times in total.

Reply 1 of 35, by Warlord

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Many people ask me If I would consider selling my 2805-S402. Short answer is no, long answer is there is no availability. I have not seen another, so I might not get a chance to ever own another. It is hard enough to find a good 2805 series, it seems impossible to find the one I got that has the geforce 2 go.

However I will give a guide here that should work on getting the 2805 series sound working in pure DOS and 98 properly that should apply to all the other models.

1. To go into BIOS press ESC and it will prompt you to hit F1.
2. 1st page configure parallel port as std-bi direct
3. Press page up or down to go into 2nd bios screen. You want to change Config to all devices instead of by os.
4. For parallel port select not used.

Windows Config
5. Install windows 98
6. You want to use the VXD drivers for windows I will link to to.
7. Go to device manager select the parallel port and manually change the resources. That means uncheck automatic settings.
go through the basic configurations until you find the setting that doesn't use and IRQ. On mine that is setting 003. Then Save that and I went ahead and disabled the port anyways.
8. for sound a video game controller you want to click on the legacy sound system, again you want to manually set the resources. Try Basic configuration 2. Change to IRQ7 DMA 1 io 220-220f, 388-038f, 330-0331f etc These are the like the default legacy values.

For Dos.
1. You have to use the modified 810/815 driver I'll link.
2. The SET Blaster Parameters. are SET BLASTER=A220 I7 D1 T4
3. I already configured this in the driver I am going to link here. But if you use the one off Phils computer page you need to change somethings to get it to work.
4. If you use some other driver than the one for here. Be advised that the one from phils has the wrong environmental variables set up in the batch file and you need to change that.
5. To configure you go "YMFIRQ 11" without quotes at the command prompt.
6. Type SETUPDS Change it to S-IRQ and then you can change it to I7 220 D1 ETC. With the driver I will link it should already be setup for you. Then save.
7. Then to run the driver you type Loadtsr at the command prompt that's all.

Last edited by Warlord on 2020-10-19, 23:11. Edited 3 times in total.

Reply 2 of 35, by Warlord

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PiCS

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Reply 3 of 35, by Warlord

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More Pics

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Reply 4 of 35, by Warlord

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Drivers
Modified DOS Driver for Toshiba 2805 Series.
download/file.php?id=94316
VXD Drivers
http://cdgenp01.csd.toshiba.com/content/suppo … s/t820snd95.exe

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Reply 5 of 35, by Warlord

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Drivers
Modified DOS Driver for Toshiba 2805 Series.
download/file.php?id=94316
VXD Drivers
http://cdgenp01.csd.toshiba.com/content/suppo … s/t820snd95.exe

Unpack Dos driver to C:\Yamaha It should just be Yamaha and all the files not Yamaha\Yamaha or anything else.

Fresh DS.INI if you run into any trouble. Use this only if its not letting you modify SETUPDS and save it.

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Reply 8 of 35, by Prez

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vorob wrote on 2020-11-15, 06:14:

Sir, do you know if this laptop supports native dos sound? Satellite 2805-S503
https://support.dynabook.com/support/staticCo … omTOCLink=false

AKM4543 chip?

Pure crap !
It's like a YMF743. It's just an AC97 soundchip. Everything about Soundblaster and legacy sound has been discarded.
Its meaningless to try to use this to play DOS games in native DOS.

Yamaha has made this to try to match costless solutions. The Toshiba SP4600 has the same soundshit.

Best regards
Philippe Dubois

Old computers and videogames freak
President of french association https://mo5.com
Get better, get old ! 😁

Reply 10 of 35, by Warlord

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Driver Dump Custom.
( if you use these files you do so at your own risk)
Chipset
https://www.mediafire.com/file/dquti0tlc1cz22 … nst_enu.7z/file
Toshiba Common Controls (needed for toshiba power saver)
https://www.mediafire.com/file/onpto3p3r9235t … Modules.7z/file
Toshiba Power saver(utility to control CPU speed in windows among other things)
https://www.mediafire.com/file/xlwvebaggkyahj … hrottle.7z/file
Custom Geforce go 2 9x driver ver 14.10 (/w power mizer feature, useful to down clock gpu, and multi monitor support)
Includes riva tuner 2.24 (use driver and riva tuner at own risk) (if not getting max performance check the power mizer by default its not full performance.
https://www.mediafire.com/file/g4jkoeokzvys53 … r_14.10.7z/file
VXD Yamaha XG drivers, included DOS drivers with modded ICH2.
https://www.mediafire.com/file/2vwr71xmgxf6sn … Drivers.7z/file
Intel 10/100 ethernet
https://www.mediafire.com/file/fofncgqalxg3ps … /PRO100.7z/file
Optional Intel proset which have ability to throttle the power usage (useful for laptop but keep in mind it uses CPU resources so it might slow you down)
https://www.mediafire.com/file/74xnsrb0hgcji7 … /proset.7z/file
PCMCIA controller driver
https://www.mediafire.com/file/jf7pxpd5sautw9 … /PCMCIA.7z/file
CPUSPD (Dos utility to throttle CPU) use at own risk of course. It throttles the FSB to slow CPU. So at 1/8 its like 12mhz FSB x 8 multiplier which get you to like 100 mhz . You should be able to slow laptop down below 486 speeds and with L2 cache disabled. you might be able to hit 486 speed with like 4/8 L2 off.
options are 1/8 - 2/8 -3/8- 4/8- 5/8- 6/8-/ 7/8- 8/8 l2 on l1 on - L2 off l1 on - l2off l1off- at any multiplier.
https://www.mediafire.com/file/3k7heyt58dz2lk … hrottle.7z/file
7zip 9.20 works on 98se
https://www.mediafire.com/file/1de6lta2n8gs1y … /7Z920.EXE/file

I recommend not running powermizer on full. If you want to use less power and less heat adjust lower. Obviously the oem driver always runs it at full, so its not a issue either way.

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Reply 11 of 35, by vorob

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Thanks! Saved to my pc and made a mirror (with some small titles adjustments): https://www.dropbox.com/sh/qolj1fmwncdmo7a/AA … ewjx6fzOca?dl=0
7zip was blocked, but it's possible to get it here: https://sourceforge.net/projects/sevenzip/fil … 9.20/7z920.msi/

Few questions:
Why not using GeForce on full power? I don't think someone bothers with battery life today.
Why there are no official video drivers from the support page? It has known issues?
How cooling is done for the Geforce 2go model? Do you have a photo of the internals?

Reply 12 of 35, by Warlord

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we can link to official drivers, but there's no need to upload them, since the laptop is supported elsewhere on official page. The official video driver is fine but it's version 7.76 or something. Very old driver. 12.41s work fine as well, anyone is free to modify 12.41s themselves if they want. 14.10 Felt very good on the laptop, I tried lots of drivers and its what I settled with.

Idk what is up with the cooling of the geforce2 go. Assume its fine for these laptops to still be functioning 20 years later. I don't think it it's a issue.

7.76 is very limited. it doesn't have many features, and it doesn't work with every game.

Reply 13 of 35, by vorob

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Do you notice horrible “farting sound” when volume is on maximum? At first I thought that my speakers are broken, but looks like they are okay. Seems like system allows sound higher then it should be.

Reply 14 of 35, by Warlord

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It allow higher sound than it should be. Just adjust the volume. That being said its a know issue with all XGs as mentioned in the XG thread. Yamaha YMF7x4 Guide

Tertz wrote on 2016-05-15, 18:02:

2.2. Crackling
  
  Crackling may be caused by too high maximum volume. Sometimes it's because driver allows to set the volume too high, when it was taken from another card. With VxD drivers you may fix it in registry: HKEY_LOCAL_MACHINE\Software\YAMAHA\Driver\YMF724\VolumeMax, or by YMF7x4Utilities.

Reply 15 of 35, by Warlord

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Custom OEMINFO. You can mod the ini to match specific type. Place both file in windows system folder.

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Reply 16 of 35, by Horun

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vorob wrote on 2020-12-26, 15:16:

Do you notice horrible “farting sound” when volume is on maximum? At first I thought that my speakers are broken, but looks like they are okay. Seems like system allows sound higher then it should be.

Hahaaa ! Sorry but that is just funny. Maybe too much Xmas cheer or not enough of ;p otherwise no clue 😀

Hate posting a reply and have to edit it because it made no sense 😁 First computer was an IBM 3270 workstation with CGA monitor. 🤣 Second computer a 286 12Mhz with real IDE drive ! After that came 386, 486, Pentium, P.Pro and everything after....

Reply 17 of 35, by Warlord

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Some Kinda nice Black custom Toshiba wallpapers 1024X768

Nvidia Icons for my computer, mydocs, network, recycle

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Reply 19 of 35, by Warlord

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640x480 16bit Driver 12.41

Modded 12.41 driver use at own risk.

Tested the Power YMF 2.0.1. From phils site it worked good from my testing. https://www.philscomputerlab.com/yamaha-ymf74 … sound-card.html
Program allows you to load midi banks on the XG and more control over it.
The Extended Bank for Power YMF. upgrades the wavetable to 4.61 MB and it increased the quality noticeably. Tested that with heros of might and magic II and FFVII setup.
From Philscomputerlab

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Last edited by Warlord on 2021-01-06, 19:23. Edited 1 time in total.