Re: [Freedos-devel]  Re: Thinking about FreeDOS 2.0

Wed, 09 Mar 2022 01:05:55 -0800

please check with a file cd. If i remember right a music cd has no file system that you can open with a standard tool like dir.

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Am 09.03.22, 02:42 schrieb "[email protected]" <[email protected]>:
Tom - thanks for suggestion (re try AHCICD.sys)


.

I downloaded AHCICD.sys and on booting up FreeDOS RC5 from a USB stick in bare metal mode, the relevant parts of the process are:-



UHDD.sys
UHDD, 10-30-2021  5-MB cache
Bios-handled disks : 3
1 char device installed
Driver loaded

set _CDROM.DRVR = AHCICD

Attempt to use the AHCICD CD driver

success   (in green)

Attempting to load SHSUCDX CD extentions

success (in green)

Successfully started the CD driver and extentions for
drive F:  (F: in green)  (FDCDX001)

... Done Processing start up files FDconfig.sys and FDauto.bat 




When I tried  dir F:\  (F:\ is the DVD drive built into my laptop) with an audio CD in the tray - I get the following error message:-


Volume in drive F Error reading from dive F: data area: drive not ready
(A)bort, (R)etry, (F)ail?


At this stage all I wanted to do was to get only a directory list of what is on the music CD in the DVD tray.


Any pointers (anyone) of what else I need to do?


This is the first time ever for me to, in DOS, ever tried to access a DVD drive - so it was helpful that the DVD was "installed".

Richard

From: tom ehlert <[email protected]>
Sent: Thursday, 3 March 2022 10:46 PM
To: Technical discussion and questions for FreeDOS developers. <[email protected]>
Subject: Re: [Freedos-devel] Thinking about FreeDOS 2.0
 


>  At present the built in DVD drive (on the HP laptop) is not
> working with FreeDOS  (will try to spend more time to solve this
> problem) - have yet to try an external USB DVD blue-ray (but this
> will be a while before I try). I have no CD only drives at all.

there is a good chance that your BIOS uses AHCI mode for the DVD, and
your DVD driver supports only SATA/legacy mode.

try to use AHCICD.SYS


Tom



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