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Toshiba 2805-s402 Ultimate retro gaming laptop

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Reply 20 of 106, by Warlord

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Unofficial Intel application accelerator driver. use at own risk.
You have to manually update the controller, primary and secondary. Run the Microsoft patch first as it fix a bug with cd players.

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Reply 22 of 106, by vorob

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I'm facing a really strange issue here, laptop is Satellite 2805-S603, everything done by your instruction. When I select proper settings in BLOOD or DUKE3D my computer freezes or DOS application crash. Under WIN 98.
Native DOS runs fine with sound and music.
Strange cause I was doing so with S401 and it worked perfectly.

Reply 23 of 106, by Warlord

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It's not strange it's normal. Blood, duke3d build engine games. Yamaha XG VXD drivers in general. Even if its a like a PC ATX motherboard and a PCI XG. Those games build engine games Crash under windows. It has somthing to do with the drivers. Theres some minor exceptions where somone says it works but I suspect thats with the OPL SAx cards and not the PCI cards. Its been reported other places. Only Midi with vxd driver work under windows. However I suspect if you can get sound output out of WDM drivers for those games under windows environment it will not crash. Pure dos its no issue, those games run fine in pure dos its just XG midi doesn't work in pure dos. But atleast they are playable. Hence I am investigating separate hardware configs. opon boot select vxd or wdm driver hardware config 1 and 2, and then run those games with wdm driver, if it will work as it should.

Thread 1
Duke 3D crashes when the sfx are enabled with a Yamaha YMF 724

Thread 2
YMF744, DOS, no DMA? (PC/PCI, SB-link tests) (edit YES DMA, read further down)

thread 3
Yamaha YMF7x4 Guide

Reply 24 of 106, by vorob

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Thanks for clarifying stuff about Audio!

--
Okay, i've made several tests and that's what I can say
Both Blood and Duke 3d have these strange screen shift glitches with a resolution higher than base 320x200.
giphy.gif
I've tested under Windows and in Safe Mode with Command Prompt mode, no difference. If I sat the resolution to 640x400 and higher these glitches will happen from time to time. And no logic was found, they happen randomly.
Tried an external monitor and these glitches happen there as well.
Tried Quake 1 in 640x400 and it was fine.

UPDATE

This thing was fixed with NOLFB patch (http://dnr.duke4.net/patches.php.html). I've tried under Win 98 and it worked, then I've tried under clean DOS, launched without patch and screen flashes, then activated patch and all is fine.

NOLFB disables the linear framebuffer in VESA 2.0+ BIOS

Last edited by vorob on 2021-01-29, 11:00. Edited 2 times in total.

Reply 26 of 106, by Warlord

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vorob wrote on 2021-01-28, 14:17:

How you've managed to get 5110 marks in 3DMark 2000?)

I'm only getting 4179 with PowerMizer on max performance, screen resolution 1024x768 and my CPU - 1000mhz.

640x480 16bit Driver 12.41, the driver is linked in same post. also stated it was 640x480 and not 1024x768

Reply 27 of 106, by Warlord

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Warlord wrote on 2021-01-28, 18:42:
vorob wrote on 2021-01-28, 14:17:

How you've managed to get 5110 marks in 3DMark 2000?)

I'm only getting 4179 with PowerMizer on max performance, screen resolution 1024x768 and my CPU - 1000mhz.

640x480 16bit Driver 12.41, the driver is linked in same post. also stated it was 640x480 and not 1024x768

I don't have those glitches in duke3d at 640x480 and above. Since we ruled out the LCD, I'm not sure what to suggest you to try next.

Reply 28 of 106, by vorob

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Warlord wrote on 2021-01-28, 18:42:

640x480 16bit Driver 12.41, the driver is linked in same post. also stated it was 640x480 and not 1024x768

Retested in 640x480 and now I've got 6k+ score 😀

Last edited by vorob on 2021-01-29, 16:06. Edited 1 time in total.

Reply 29 of 106, by vorob

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401 and 603 connection slot difference. Interesting that 401 uses a generic mini PCI card and can be replaced with wifi one, while 603 used smth different.

Reply 30 of 106, by vorob

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Warlord, does 402 models have a soldered CPU or it is in the socket?

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I just cleaned my 603 and it is in the socket while some people stated that 2805 has soldered CPU.

Reply 31 of 106, by oskarzer0

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Thank you very much for the post @Warlord, it's very interesting.

For contributing something more to the post, say that the only competition for the Toshiba 2805-s402 (2800-500 in europe) is the Dell Inspiron 8100.

Pros Dell Inspiron 8100:

  • Better screen (1600x1200)
  • More Video Memory: Gefore2 Go 32MB
  • Faster processor: PIII 1.13GHz

Cons Dell Inspiron 8100:

  • The ESS Maestro 3 sound chip is DOS compatible but its MIDI sound is worse than the Toshiba´s Yamaha chip.

https://www.zdnet.com/product/dell-inspiron-8100-1-13ghz-vt/

Regards.

Reply 32 of 106, by vorob

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Bought a new screen for 2805. It was sold as new on ebay, the price was extremely cheap. No idea what I'll receive, but it was worth trying. My sample is already showing signs of degradation, the screen is yellowish.

Reply 33 of 106, by vorob

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It's here! For a test, I've installed new LCD into savage laptop. It's brighter, but for some reason, it's not obvious on photos.

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Also, i've taken some comparison photos of bad scaling:

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Reply 34 of 106, by Prez

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vorob wrote on 2021-02-19, 13:57:
It's here! For a test, I've installed new LCD into savage laptop. It's brighter, but for some reason, it's not obvious on photos […]
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It's here! For a test, I've installed new LCD into savage laptop. It's brighter, but for some reason, it's not obvious on photos.

photo_2021-02-19_16-14-17.jpg

Also, i've taken some comparison photos of bad scaling:

photo_2021-02-19_16-29-24.jpg photo_2021-02-19_16-29-26.jpg

Hi ! It seems brighter, yes !
But what about those differences in scaling ?

I look forward to find a 2805-s402 too somewhere 😀

Best regards
Philippe Dubois

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

Reply 35 of 106, by vorob

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Scaling on laptops lay on videocard, not the monitor. So 100% avoid Savage videocard, only GeForce (2805-402 and 603). Savage will be good for an external monitor since scaling there lay on external monitor logic board, internal will have horrible scaling. Windows stuff looks extremely bad in low resolution:

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Reply 36 of 106, by crazii

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Thanks warlord!
Toshiba 2805-S603 tested OK in pure dos mode. I Use OPL3 as game MIDI driver and the MIDI sounds fine, as good as YMF744. I'll try the vxd later.
The official driver is working OK for dos boxes in win98, the only problem is that I have to use MPU-401 general MIDI driver to make it work and the MIDI is not good, different from DOS.

UPDATE 09/28/2021: the vxd driver works on win98se too. now I don't need to switch MIDI drivers for some games between DOS and win98, and the MIDIs sound the same too, cool.

Last edited by crazii on 2021-09-28, 07:48. Edited 1 time in total.

Toshiba Satellite Pro 4300 - YMF744, Savage IX
Toshiba Satellite 2805-S501 - YMF754, GeForce 2Go
IBM Thinkpad A21p - CS4624, Mobility Radeon 128
main: Intel NUC11PHKi7C Phantom Canyon: i7-1165G7 RTX2060 64G 2T760PSDD

Reply 37 of 106, by crazii

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oskarzer0 wrote on 2021-02-10, 23:49:
Thank you very much for the post @Warlord, it's very interesting. […]
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Thank you very much for the post @Warlord, it's very interesting.

For contributing something more to the post, say that the only competition for the Toshiba 2805-s402 (2800-500 in europe) is the Dell Inspiron 8100.

Pros Dell Inspiron 8100:

  • Better screen (1600x1200)
  • More Video Memory: Gefore2 Go 32MB
  • Faster processor: PIII 1.13GHz

Cons Dell Inspiron 8100:

  • The ESS Maestro 3 sound chip is DOS compatible but its MIDI sound is worse than the Toshiba´s Yamaha chip.

https://www.zdnet.com/product/dell-inspiron-8100-1-13ghz-vt/

Regards.

IMHO the MIDI is very important and its problem would make the Dell Inspiron 8100 a worse competitor of Toshiba 2805.

Toshiba Satellite Pro 4300 - YMF744, Savage IX
Toshiba Satellite 2805-S501 - YMF754, GeForce 2Go
IBM Thinkpad A21p - CS4624, Mobility Radeon 128
main: Intel NUC11PHKi7C Phantom Canyon: i7-1165G7 RTX2060 64G 2T760PSDD

Reply 38 of 106, by crazii

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Prez wrote on 2020-11-18, 16:42:
Pure crap ! It's like a YMF743. It's just an AC97 soundchip. Everything about Soundblaster and legacy sound has been discarded. […]
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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

The spec says "Yamaha Sound chip; AKM4543 Codec Chip" which means it has two chips IMHO. I have a S603 which has the same specs as S503 and it works on DOS if the OP's advice is followed.
Another proof is the OP's picture: "YMF754-R" for S402, as the spec says "Yamaha YMF754B-R sound chip, Codec chip AKM4543" .

At least its working with a DOS driver, very much like the VT82C686 driver you posted.

Toshiba Satellite Pro 4300 - YMF744, Savage IX
Toshiba Satellite 2805-S501 - YMF754, GeForce 2Go
IBM Thinkpad A21p - CS4624, Mobility Radeon 128
main: Intel NUC11PHKi7C Phantom Canyon: i7-1165G7 RTX2060 64G 2T760PSDD

Reply 39 of 106, by crazii

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Still a little confused. I read the YMF754 (YMF754-R) data sheet and it says: (https://datasheetspdf.com/pdf-file/285427/ETC/YMF754-R/1)

"Legacy Audio block supports FM synthesizer, Sound Blaster Pro, MPU401 UART mode and Joystick function in order to provide hardware compatibility for numerous PC games on real DOS without any software driver. DS-1E supports the connection to AC’97 which provides high quality DAC, ADC and analog mixer, and it can connect two AC’97s."

Which means there could be no DOS driver needed. What am I missing?
Or it's just a hardware integration problem, since it has an AC'97 codec (AKM4543) connection, and the BIOS see the AKM4543 as default sound?

Toshiba Satellite Pro 4300 - YMF744, Savage IX
Toshiba Satellite 2805-S501 - YMF754, GeForce 2Go
IBM Thinkpad A21p - CS4624, Mobility Radeon 128
main: Intel NUC11PHKi7C Phantom Canyon: i7-1165G7 RTX2060 64G 2T760PSDD