Re: [Freedos-user] Freedos-user Digest, Vol 1722, Issue 2

[Lawrence Dionne]

I have a Pi4 running in the Crow Pi and would LOVE to get emu and FreeDos
running.  Where is a good step-by-step guide to using and installing Qemu
and FreeDos.  Right now I have FreeDos running from a 64 MB compact flash
card in the flexbay on my XP computer.  FreeDos is awesome!

On Thu, Mar 19, 2020 at 08:46 
wrote:

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>
>1. Re: FreeDOS is slow in Raspberry 4 (Louis Santillan)
>
>
> --
>
> Message: 1
> Date: Wed, 18 Mar 2020 20:48:46 -0700
> From: Louis Santillan 
> To: "Discussion and general questions about FreeDOS."
> 
> Subject: Re: [Freedos-user] FreeDOS is slow in Raspberry 4
> Message-ID:
> <
> cab9rao-9gtn1fdneep+21nk+q-xyr3yw0pm6_qkf08r5eah...@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Something to note in the original bug report is that CFLAGS chosen are
> not optimal for performance (`make 'CFLAGS=-Wall -g -O2 -w'`).
> Specifically, the `-g` and `-O2`  flags should probably be changed.
>
> `-g` [0] adds debugging info which will make the QEMU binary larger,
> and produce code & data to allow instrumenting and debugging at
> runtime.  This will blow cache performance since more code & data
> overflow the cache.  I recommend removing this all together.
>
> `-O2` [1] instructs the compiler to enable all performance options
> that do not involve a space-time tradeoff.  Generally `-O3` is
> considered to produce the most "optimal" code, `-Os` is beneficial for
> CPUs with small caches and `-Ofast` can enable further performance
> potentially at the cost of program execution correctness.
>
> I recommend trying `-O3` or `-Ofast` without `-g` and
> retesting/rebenchmarking.
>
>
> [0] https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
> [1]
> https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#Optimize-Options
>
> On Wed, Mar 18, 2020 at 1:48 PM Jim Hall  wrote:
> >
> >
> >
> > On Wed, Mar 18, 2020 at 3:00 PM Eric Auer  wrote:
> >>
> >>
> >> Hi Ralf,
> >>
> >> >> How about first installing to a directory or diskimage stored
> >> >> in a ramdisk on the host OS, then copying that to mass storage?
> >>
> >> > This would be a bit like the old chicken and egg problem. The time you
> >> > would spend to copy the contents of the FreeDOS distro from the SD
> card
> >> > to a RAM disk on the RPi is likely not much faster...
> >>
> >> I expect it to be much faster because: You only read from the
> >> slow SD card and you read fewer, larger files. The bad parts,
> >> writing many small files, would be on the fast ramdisk side.
> >> Also, you can start from a FreeDOS ISO on the SD card, which
> >> again is only one big file to copy from the web to the card.
> >> When done, you copy one big file, the diskimage, once from
> >> the ramdisk to the SD card :-)
> >> [..]
> >
> >
> > Someone had suggested that option to me - install FreeDOS to a HD image
> in a RAM drive, then copy the HD image back to storage.
> >
> > But I didn't want to explain those extra steps in my article. And
> really, installing FreeDOS on QEMU+RPi takes longer, but it's not "all day"
> long. It's more like "start the install, and make a cup of coffee while the
> install finishes." For a one-time thing, it's not too bad.
> >
> >
> > ___
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>
>
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>
>
>
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> End of Freedos-user Digest, Vol 1722, Issue 1
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Re: [Freedos-user] Freedos-user Digest, Vol 1722, Issue 2

[Lawrence Dionne]

I have a Pi4 running in the Crow Pi and would LOVE to get emu and FreeDos
running.  Where is a good step-by-step guide to using and installing Qemu
and FreeDos.  Right now I have FreeDos running from a 64 MB compact flash
card in the flexbay on my XP computer.  FreeDos is awesome!

On Thu, Mar 19, 2020 at 16:21 
wrote:

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>
> Today's Topics:
>
>1. Re: Introducing myself, and inquiring about using FreeD OS as
>   a blind user (Felix G.)
>2. Re: FreeDOS is slow in Raspberry 4 (Swap Jim)
>3. Re: FreeDOS is slow in Raspberry 4 (David McMackins)
>4. Talking FreeDOS (through QEMU + emubns) (Mateusz Viste)
>5. Re: FreeDOS is slow in Raspberry 4 (Swap Jim)
>
>
> --
>
> Message: 1
> Date: Thu, 19 Mar 2020 13:50:11 +0100
> From: "Felix G." 
> To: "Discussion and general questions about FreeDOS."
> 
> Subject: Re: [Freedos-user] Introducing myself, and inquiring about
> using FreeD OS as a blind user
> Message-ID:
> <
> ca+mddo-kbavatw7lmt48sgma_vlu_wmxtxyjjmrknupgpic...@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Hello Joseph,
> I'm loving your live image!
> However, I'm unsuccessfully trying to find the place in fdauto.bat or
> fdconfig.sys where it loads asap, because maybe I'd like to replace
> asap with hal for kicks, or giggles, or both.
> Could you please enlighten me?
> Best,
> Felix
>
> Am Mi., 18. M?rz 2020 um 17:02 Uhr schrieb Mateusz Viste  >:
> >
> > On 18/03/2020 16:54, joseph.nor...@gmail.com wrote:
> > > I just booted into FreeDOS and it worked ok.  Pressing /l told me I was
> > > on line 25 and read the DOS prompt.
> >
> > Sounds nice. Thanks for confirming, at least I know now that it is
> > supposed to work out of the box. It must be something off with my
> > VirtualBox configuration then - in fact I tested ASAP right now and it
> > immediately freezes. The only screen reader that appears to work for me
> > is JAWS. I suspect this has to do with some RTS/CTS emulation glitch
> > within VirtualBox, I will have to do some deeper investigations.
> >
> > cheers,
> > Mateusz
> >
> >
> > ___
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> > https://lists.sourceforge.net/lists/listinfo/freedos-user
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>
>
> --
>
> Message: 2
> Date: Thu, 19 Mar 2020 15:08:00 +0200
> From: Swap Jim 
> To: freedos-user@lists.sourceforge.net
> Subject: Re: [Freedos-user] FreeDOS is slow in Raspberry 4
> Message-ID: <7c29b171-ea77-59c1-f17d-7ac6a76b8...@zoho.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> On 2020-03-18 19:34, Jim Hall wrote:
> > My *dmesg*?output shows it is a plain Raspberry Pi 3B:
> >
> > [ 0.00] OF: fdt: Machine model: Raspberry Pi 3 Model B
> >
> >
> > Not that it matters for me. I used it as a "desktop" system for about a
> > week, as an experiment, before I reinstalled it with Fedora ARM Server
> > 30 and used it as a mini-server for our house. It's a print server, an
> > SSH-based file server, and a web server that I use to develop websites.
>
> Can you also please give me what /proc/cpuinfo tells you? I'm about to
> buy one so I need to be very certain that it's not a 3B+ model.
>
>
>
>
> --
>
> Message: 3
> Date: Thu, 19 Mar 2020 09:59:56 -0500
> From: David McMackins 
> To: freedos-user@lists.sourceforge.net
> Subject: Re: [Freedos-user] FreeDOS is slow in Raspberry 4
> Message-ID: <0f9f884c-d2b5-a58a-d147-f391f3fb3...@mcmackins.org>
> Content-Type: text/plain; charset=utf-8
>
> On 3/18/20 12:21 PM, Ralf Quint wrote:
> > On 3/18/2020 10:02 AM, Swap Jim via Freedos-user wrote:
> >>
> >> And in the meantime I'll try Fedora ARM, just in case it matters on
> >> the RPi4.
> > FAIK, Rasbian is the best supported distro on the RPi4B+ (hardware
> > wise). And beside that Raspberry.org itself otherwise only promotes
> > Ubuntu. Fedora/Pidora was dropped at least a couple of years ago, so I
> > am not sure that you will be able to yield any better results using an
> > ARM based Fedora.
> >
> > I still think that the problem is that QEMU doesn't take into account
> > the new capabilities of the 4B+ over the 3B+, not only CPU wise, but
> > also video (4K dual screen vs 1080p single), USB (3.0 vs 2.0) and
> > networking (true Gigabit Ethernet vs Gigiabit over USB 2.0, limited to
> > 

Re: [Freedos-user] Freedos-user Digest, Vol 1370, Issue 1

[Lawrence Dionne]

Could there be an issue because of the SATA interface?

I accept any corrections here if I am mistaken on anything.

It has been a while since I have used FreeDOS.  I still have an old system
running MSDOS and I am glad to see DOS still being around.

The Dell Optiplex 790 is a new system with the SATA interface and you might
want to check to see if you can change the interface to Legacy Mode IDE
instead of SATA.

I remember the old Windows XP even had issues at the start of the new SATA
interface, and FreeDOS might have an issue trying to access the SATA
interface as well.

To check for Legace you might check BIOS (Possibly UEFI on that system).

CAUTION: If you are unfamiliar with BIOS, then research before you attempt
it, or ask for assistance.  Changing setting in BIOS without knowing the
effect can lock up your system.


On Tue, Feb 13, 2018 at 7:13 AM,  wrote:

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>
>1. Re: Dell Optiplex 790 - installation problem (Jerome Shidel)
>
>
> --
>
> Message: 1
> Date: Mon, 12 Feb 2018 17:26:36 -0500
> From: Jerome Shidel 
> To: "Discussion and general questions about FreeDOS."
> 
> Subject: Re: [Freedos-user] Dell Optiplex 790 - installation problem
> Message-ID: <98892a36-ff18-4615-84ee-c6b30a948...@shidel.net>
> Content-Type: text/plain;   charset=utf-8
>
> Hi Tony,
>
> Based on your description...
>
> The install medium boots, detects Drive C: is partitioned, formatted and
> readable. Then finds the install packages (either on USB or CD) and starts
> to install them. Gets to the CheckDisk package and stops. No errors are
> shown. The system just freezes.
>
> Just a couple of basic questions.
>
> Which install medium are you booting? Floppy, USB Stick, CD or Legacy CD?
>
> The installer is the same across each of those. However, each of those are
> handled very differently by the computer. One may work fine, when others
> don?t.
>
> Is drive C actually the HardDrive?
>
> Is it writable?
>
> After a failed install, if you reboot and exit the installer, do you see
> the files on drive C from the failed attempt?
>
> It may be possible to install the packages manually.
>
>
>
> --
>
> 
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> End of Freedos-user Digest, Vol 1370, Issue 1
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[Freedos-user] FreeDOS in

[LAWRENCE DIONNE]

From: Lawrence Dionne <codehunte...@gmail.com>

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Pardon my late reply.  I was able to install it via the legacy installer.
I don't know why I missed that.

I am not much of a gamer, but I do play some games, even in DOS.

My main use for FreeDOS is to create text-based programs and some graphical
prorgams.

I also run an old word processor with speech output.  Haven't tested that
yet though.

Thank you for the assistance.

--94eb2c05b4d86d53610545ee5f75
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Pardon my late reply.-a I was able to
install it via the legacy installer.-a I dont know why I missed
that.I am not much of a gamer, but I do play some games, even in
DOS.My main use for FreeDOS is to create text-based programs and
some graphical prorgams.I also run an old word processor with
speech output.-a Havent tested that yet though.Thank you for
the assistance.

--94eb2c05b4d86d53610545ee5f75--


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Developer Access Program for Intel Xeon Phi Processors
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Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi
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[Freedos-user] FreeDOS In

[LAWRENCE DIONNE]

From: Lawrence Dionne <codehunte...@gmail.com>

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--001a1141d4744f94970545c3eb1b
Content-Type: text/plain; charset=UTF-8

I have an old Dell computer: Intel Celeron processor 700Mhz CPU 320MB RAM

I thought it would make a nice machine for installin and runnin FreeDOS,
but here is the issue:

"freedos invalid opcode at 0FAE 1068 0046 0001 0002  0200  
0183  4200 0001"

I boot the CD, choose "Install to hard drive" and after some text I get a
constantly scrollin message.

I was able to get it to install, at least partially by the following
procedure:

Start the CD then after choosing install to hard drive, I press F8 to
choose the config.sys settings.

Once I skip the "himemx.sys" item, it will install, at least partially.  I
stops at the 4DOS packages.

Does anyone know of a fix for this?  Is the computer too 'Old' for FreeDOS?

--001a1141d4744f94970545c3eb1b
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

I have an old Dell computer:
Intel Celeron processor 700Mhz CPU 320MB RAMI thought it would
make a nice machine for installin and runnin FreeDOS, but here is the
issue:freedos invalid opcode at 0FAE 1068 0046 0001 0002 
0200   0183  4200 0001I boot the CD, choose
Install to hard drive and after some text I get a constantly
scrollin message.I was able to get it to install, at least
partially by the following procedure:Start the CD then after
choosing install to hard drive, I press F8 to choose the config.sys
settings.Once I skip the himemx.sys item, it will
install, at least partially.-a I stops at the 4DOS packages.Does
anyone know of a fix for this?-a Is the computer too Old for
FreeDOS?

--001a1141d4744f94970545c3eb1b--


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[Freedos-user] FreeDOS install

[Lawrence Dionne]

Pardon my late reply.  I was able to install it via the legacy installer.
I don't know why I missed that.

I am not much of a gamer, but I do play some games, even in DOS.

My main use for FreeDOS is to create text-based programs and some graphical
prorgams.

I also run an old word processor with speech output.  Haven't tested that
yet though.

Thank you for the assistance.
--
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[Freedos-user] FreeDOS Install

[Lawrence Dionne]

I have an old Dell computer: Intel Celeron processor 700Mhz CPU 320MB RAM

I thought it would make a nice machine for installin and runnin FreeDOS,
but here is the issue:

"freedos invalid opcode at 0FAE 1068 0046 0001 0002  0200  
0183  4200 0001"

I boot the CD, choose "Install to hard drive" and after some text I get a
constantly scrollin message.

I was able to get it to install, at least partially by the following
procedure:

Start the CD then after choosing install to hard drive, I press F8 to
choose the config.sys settings.

Once I skip the "himemx.sys" item, it will install, at least partially.  I
stops at the 4DOS packages.

Does anyone know of a fix for this?  Is the computer too 'Old' for FreeDOS?
--
Developer Access Program for Intel Xeon Phi Processors
Access to Intel Xeon Phi processor-based developer platforms.
With one year of Intel Parallel Studio XE.
Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi___
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