[GH-ISSUE #16] Error at 0.9.4 and 0.9.5 Installation #14

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opened 2026-03-03 18:48:10 +03:00 by kerem · 17 comments
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Originally created by @cyberrep on GitHub (Oct 31, 2024).
Original GitHub issue: https://github.com/oerg866/win98-quickinstall/issues/16

I trying to install from CD and get this error (Also I try floddpy and dosflopply to boot)

Read error - assertion failed: false (mappedfile_mt.c: mappedFile_readAhead1Block: 1-05)

I have a compaq CDS 5226
CF 1GB

I try fast, slow, detect, install devices etc, nothing, every time same error.

Originally created by @cyberrep on GitHub (Oct 31, 2024). Original GitHub issue: https://github.com/oerg866/win98-quickinstall/issues/16 I trying to install from CD and get this error (Also I try floddpy and dosflopply to boot) Read error - assertion failed: false (mappedfile_mt.c: mappedFile_readAhead1Block: 1-05) I have a compaq CDS 5226 CF 1GB I try fast, slow, detect, install devices etc, nothing, every time same error.
kerem closed this issue 2026-03-03 18:48:10 +03:00
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@cyberrep commented on GitHub (Nov 1, 2024):

I did a lot of tests
My setup its
Primary IDE a CF adapter with 1gb
2 IDE (Master CF adapter / Slave CD ROM)

If I try to install at the primary ide cf adapter I get this error.
If I install for the 2 ide I can copy files, but get a disk io error.

I try to set fat no lba, but still the same.

No ideia how to solve it.

<!-- gh-comment-id:2451114166 --> @cyberrep commented on GitHub (Nov 1, 2024): I did a lot of tests My setup its Primary IDE a CF adapter with 1gb 2 IDE (Master CF adapter / Slave CD ROM) If I try to install at the primary ide cf adapter I get this error. If I install for the 2 ide I can copy files, but get a disk io error. I try to set fat no lba, but still the same. No ideia how to solve it.
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@oerg866 commented on GitHub (Nov 2, 2024):

Can you tell me the rest of the system? motherboard, etc.

<!-- gh-comment-id:2452976954 --> @oerg866 commented on GitHub (Nov 2, 2024): Can you tell me the rest of the system? motherboard, etc.
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@oerg866 commented on GitHub (Nov 2, 2024):

Also, please use 0.9.5 and test again, because 0.9.4 is quite buggy and now obsolete

<!-- gh-comment-id:2452977192 --> @oerg866 commented on GitHub (Nov 2, 2024): Also, please use 0.9.5 and test again, because 0.9.4 is quite buggy and now obsolete
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@cyberrep commented on GitHub (Nov 2, 2024):

Also, please use 0.9.5 and test again, because 0.9.4 is quite buggy and now obsolete

I'll do, just waiting the cds to arrive.

<!-- gh-comment-id:2452977587 --> @cyberrep commented on GitHub (Nov 2, 2024): > Also, please use 0.9.5 and test again, because 0.9.4 is quite buggy and now obsolete I'll do, just waiting the cds to arrive.
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@cyberrep commented on GitHub (Nov 2, 2024):

Can you tell me the rest of the system? motherboard, etc.

It's a compaq presario cds 5226
I can send pics of the cf adapters

<!-- gh-comment-id:2452977741 --> @cyberrep commented on GitHub (Nov 2, 2024): > Can you tell me the rest of the system? motherboard, etc. It's a compaq presario cds 5226 I can send pics of the cf adapters
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@cyberrep commented on GitHub (Nov 7, 2024):

hey buddy, I burn the cd stock and lite and get the same error

image

<!-- gh-comment-id:2461145510 --> @cyberrep commented on GitHub (Nov 7, 2024): hey buddy, I burn the cd stock and lite and get the same error ![image](https://github.com/user-attachments/assets/a598a014-89be-4bde-8aa1-9f376f033c2a)
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@cyberrep commented on GitHub (Nov 7, 2024):

both version just install if the cf is plugged at the same cdrom cable, but I dont get boot.
I'll try to do more tests

<!-- gh-comment-id:2461926880 --> @cyberrep commented on GitHub (Nov 7, 2024): both version just install if the cf is plugged at the same cdrom cable, but I dont get boot. I'll try to do more tests
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@oerg866 commented on GitHub (Nov 7, 2024):

Hmmm this is very strange.

Can you do "exit to shell" instead of installation and type

lspci -nn

so I can try to find similar hardware to reproduce the issue with :)

<!-- gh-comment-id:2461935419 --> @oerg866 commented on GitHub (Nov 7, 2024): Hmmm this is very strange. Can you do "exit to shell" instead of installation and type `lspci -nn` so I can try to find similar hardware to reproduce the issue with :)
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@cyberrep commented on GitHub (Nov 7, 2024):

boot screen
image

<!-- gh-comment-id:2462043707 --> @cyberrep commented on GitHub (Nov 7, 2024): boot screen ![image](https://github.com/user-attachments/assets/5215c448-e6df-4530-85d7-9b0bc8486c82)
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@cyberrep commented on GitHub (Nov 7, 2024):

lspci nn
image

<!-- gh-comment-id:2462044071 --> @cyberrep commented on GitHub (Nov 7, 2024): lspci nn ![image](https://github.com/user-attachments/assets/6143a607-1ee7-480b-bc89-95e1210814e2)
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@cyberrep commented on GitHub (Nov 7, 2024):

compaq_presariopresario_5526.pdf

<!-- gh-comment-id:2462065111 --> @cyberrep commented on GitHub (Nov 7, 2024): [compaq_presariopresario_5526.pdf](https://github.com/user-attachments/files/17661113/compaq_presariopresario_5526.pdf)
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@cyberrep commented on GitHub (Nov 7, 2024):

https://theretroweb.com/motherboards/s/compaq-presario-5500-series

<!-- gh-comment-id:2462078407 --> @cyberrep commented on GitHub (Nov 7, 2024): https://theretroweb.com/motherboards/s/compaq-presario-5500-series
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@cyberrep commented on GitHub (Nov 7, 2024):

that's all info I have

<!-- gh-comment-id:2462079341 --> @cyberrep commented on GitHub (Nov 7, 2024): that's all info I have
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@oerg866 commented on GitHub (Nov 7, 2024):

Hello, I sadly have no hardware here with the OPTi viper chipset so I sadly cannot reproduce the issue at this time...

I suspect the problem is with the IDE controller driver in the Linux Kernel...

If you replace the CF with a real HDD does it improve the situation?

<!-- gh-comment-id:2462933652 --> @oerg866 commented on GitHub (Nov 7, 2024): Hello, I sadly have no hardware here with the OPTi viper chipset so I sadly cannot reproduce the issue at this time... I suspect the problem is with the IDE controller driver in the Linux Kernel... If you replace the CF with a real HDD does it improve the situation?
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@cyberrep commented on GitHub (Nov 7, 2024):

NP man, I did a trick, install that in the secondary ide, restore my windows at the CF, del all folder, copy the instalation from the other CF and voila!

I'll do this test

<!-- gh-comment-id:2463159910 --> @cyberrep commented on GitHub (Nov 7, 2024): NP man, I did a trick, install that in the secondary ide, restore my windows at the CF, del all folder, copy the instalation from the other CF and voila! I'll do this test
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@goofus commented on GitHub (Sep 7, 2025):

Hello, I have the same error with most recent version (win98qi_v0.9.6_micro_directx81.iso) burned to CD.

Image
Image

https://theretroweb.com/motherboards/s/acer-v66lt + PII 400 + 128 MB RAM

I changed from original hardware configuration only the following:

  • Swapped HDD from 13 GB to 250 GB
  • Added floppy
  • Added CDR/W drive

Hope that helps.

<!-- gh-comment-id:3263452292 --> @goofus commented on GitHub (Sep 7, 2025): Hello, I have the same error with most recent version (win98qi_v0.9.6_micro_directx81.iso) burned to CD. ![Image](https://github.com/user-attachments/assets/fd43f5ec-94e1-4017-8368-65490a22f65c) ![Image](https://github.com/user-attachments/assets/b0c78fcb-8b18-4e88-b008-bb8e9f5aeaf9) https://theretroweb.com/motherboards/s/acer-v66lt + PII 400 + 128 MB RAM I changed from original hardware configuration only the following: - Swapped HDD from 13 GB to 250 GB - Added floppy - Added CDR/W drive Hope that helps.
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@oerg866 commented on GitHub (Jan 25, 2026):

Closing this now because the new version will have massively reworked error handling and DMA disable options that may fix the issue for good.

Feel free to re-open after 0.9.7 release (should be in a few weeks tops)

<!-- gh-comment-id:3796492527 --> @oerg866 commented on GitHub (Jan 25, 2026): Closing this now because the new version will have massively reworked error handling and DMA disable options that may fix the issue for good. Feel free to re-open after 0.9.7 release (should be in a few weeks tops)
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