Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread TJ Edmister
On Wed, 23 May 2012 14:33:00 -0400, Jack wrote: > > Back in 1980, I told an old friend of mine about a 750K video-driver > package which I had seen (written in "C", of course!), and he noted, > "They've got GUTS, calling that a DRIVER!" Wow, that sounds familiar. Was your friend Hal Hardenberg b

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
>> As I just got through noting, in another post, why would the BIOS >> data include diskette change-line flags if they were NOT intended >> to be USED?? >> >> Until someone can positively REFUTE the data offered by the BIOS >> Central data-table list, my opinion is that neither you nor any- >> one

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Ralf A. Quint
At 12:31 PM 5/23/2012, Jack wrote: >As I just got through noting, in another post, why would the BIOS >data include diskette change-line flags if they were NOT intended >to be USED?? >Until someone can positively REFUTE the data offered by the BIOS >Central data-table list, my opinion is that neith

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Tom Ehlert
> Given how UIDE/UIDE2's diskette I-O has never been a problem BUT > for VirtualBox, I will keep UIDE/UIDE2 as-is. this is going nowhere. Jack is right and everybody else is a bloody idiot. AMEN Tom -- Live Security

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
Eric, >> Apologies, I misread my own source file (early!) this morning. UIDE >> and UIDE2 check 0:48Fh (not 448h) for the bits that indicate if drive >> A: or B: suipport a media-change line. Note the BIOS data lists at: >> > > This document states th

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
> Jack, PLEASE, don't pull yourself up on the "VirtualBox" issue, it is > rather a more general problem. > > You simply rely on the contents of the memory region rather than than > properly query system via INT13. And that isn't adding much to the > logic and overall size of your drivers compared t

Re: [Freedos-user] Virtual floppy change problem

2012-05-23 Thread Jack
>> You are WRONG, Tom!! > > Is he ? or are you being RUDE, Jack? Tom could have written me privately, before publicly saying UIDE assumes change-line support, but did not. I responded in kind! > Not Tom, but I'd like to learn from /what exact source/ you got the > definition for those bits.

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Ralf A. Quint
At 11:33 AM 5/23/2012, Jack wrote: >And certainly, it is not impossible to cache floppies.Before the >debut of VirtualBox, UIDE/UIDE2 had done so successfully, for years, >without any complaints at all! Jack, PLEASE, don't pull yourself up on the "VirtualBox" issue, it is rather a more genera

Re: [Freedos-user] Virtual floppy change problem

2012-05-23 Thread Bertho Grandpied
On Wed, 23 May 2012 09:22:03 Jack <...@earthlink.net> wrote : > Subject: Re: [Freedos-user] Virtual floppy change problem > You are WRONG, Tom!! Is he ? or are you being RUDE, Jack ? > UIDE has NEVER ignored if a diskette has change-line support!   It > does in fact check t

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
> to make a long answer short: > in VirtualBox, 40:8f is 00 > again, clearly stating 'change line is not supported' Maybe for your system, obviously not on Wolfgang's, and who-knows re: other "C"-based systems with NO reason to post a BIOS data-table at 0:400! That is my guess re: what is occurr

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
> It's not impossible to cache floppies, Jack. You just need to do it > differently than you're doing now ... Back in 1980, I told an old friend of mine about a 750K video-driver package which I had seen (written in "C", of course!), and he noted, "They've got GUTS, calling that a DRIVER!" If I

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Eric Auer
Jack, > Apologies, I misread my own source file (early!) this morning. UIDE > and UIDE2 check 0:48Fh (not 448h) for the bits that indicate if drive > A: or B: suipport a media-change line. Note the BIOS data lists at: > This document states that bit

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Tom Ehlert
Jack, >>> UIDE has NEVER ignored if a diskette has change-line support! It >>> does in fact check the BIOS data table at 0:448h for bit 0 (change >>> line for diskette A:) or bit 4 (change line for diskette B:). If >>> those bits are off, diskette A: or diskette B: will not be cached. >> >> i

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
>> UIDE has NEVER ignored if a diskette has change-line support! It >> does in fact check the BIOS data table at 0:48Fh for bit 0 (change >> line for diskette A:) or bit 4 (change line for diskette B:). If >> those bits are off, diskette A: or diskette B: will not be cached. > > That is an inte

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
>> UIDE has NEVER ignored if a diskette has change-line support! It >> does in fact check the BIOS data table at 0:448h for bit 0 (change >> line for diskette A:) or bit 4 (change line for diskette B:). If >> those bits are off, diskette A: or diskette B: will not be cached. > > if UIDE would c

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Ralf A. Quint
At 09:22 AM 5/23/2012, Jack wrote: >You are WRONG, Tom!! Sorry, Jack, but he is not Honestly Jack, please don't explode each time someone is making a critical statement. There simply is no reason to get all personal about this... >UIDE has NEVER ignored if a diskette has change-line suppor

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread BretJ
Jack-181 wrote: > > I will NOT cache a drive which cannot tell me when its media has changed, > and I REFUSE to add all of the > logic in UIDE that Eric notes the DOS kernel contains, to find out if a > media-change has occurred using other methods! It's not impossible to cache floppies, Jack.

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Tom Ehlert
Jack, >>> The "issue" is that VirtualBox is not posting diskette media-change >>> status in the BIOS data table. >> >> the 'issue' is that VirtualBox clearly states >> 'floppy without change-line support' >> >> int13/15 returns '01h floppy without change-line support >> int13/16 returns '06h cha

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Eric Auer
Jack, >> the 'issue' is that VirtualBox clearly states 'floppy without >> change-line support' >> >> int13/15 returns '01h floppy without change-line support int13/16 >> returns '06h change line active or not supported >> >> but UIDE ignores this, and relies on change line support anyway. > >

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
Tom: >> The "issue" is that VirtualBox is not posting diskette media-change >> status in the BIOS data table. > > the 'issue' is that VirtualBox clearly states > 'floppy without change-line support' > > int13/15 returns '01h floppy without change-line support > int13/16 returns '06h change line

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Eric Auer
Hi Tom, thanks for checking the int 13 details on VirtualBox! >>> I was about to post bugreport at VirtualBox bugtracker, but decided to >>> double-check the issue first. On my system floppy images change are >>> correctly recognized. VirtualBox 4.1.4-3.2.3 OSE OpenSUSE 12.1. > >> The "issue" i

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Tom Ehlert
>> I was about to post bugreport at VirtualBox bugtracker, but decided to >> double-check the issue first. On my system floppy images change are >> correctly recognized. VirtualBox 4.1.4-3.2.3 OSE OpenSUSE 12.1. > The "issue" is that VirtualBox is not posting diskette media-change > status in the

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-23 Thread Jack
> I was about to post bugreport at VirtualBox bugtracker, but decided to > double-check the issue first. On my system floppy images change are > correctly recognized. VirtualBox 4.1.4-3.2.3 OSE OpenSUSE 12.1. The "issue" is that VirtualBox is not posting diskette media-change status in the BIOS da

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-22 Thread escape
I was about to post bugreport at VirtualBox bugtracker, but decided to double-check the issue first. On my system floppy images change are correctly recognized. VirtualBox 4.1.4-3.2.3 OSE OpenSUSE 12.1. On 16.05.12 19:33, Wolfgang Schechinger wrote: > Dear experts, > > I have some floppy images

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox U IDE2 init problem

2012-05-22 Thread Jack
>> The FAT file system is defined by DOS, and I want UIDE/UIDE2 to >> have NO run-time "dependencies" on the DOS system. > > Nice in theory, but unfortunately doesn't work in practice. Sure seems to, since before this thread, UIDE/UIDE2 have "trapped" only BIOS Int 13h I-O requests, and no one has

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox U IDE2 init problem

2012-05-22 Thread Bret Johnson
Jack: > The FAT file system is defined by DOS, and I want UIDE/UIDE2 to > have NO run-time "dependencies" on the DOS system. Nice in theory, but unfortunately doesn't work in practice. DOS's management of the change line is under the sole auspices of the block device driver, not hardware/BIOS (

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Bernd Blaauw
Op 22-5-2012 16:05, Jack schreef: > PCI V2.0C and later versions have all worked just FINE, until > the rather poor emulator know as "VirtualBox" appeared, using > its MISERABLE "emulation" logic for the Intel PIIX3 chipset!! > If they DO NOT have such "long delay" trouble with their ICH9 > "emula

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Bernd Blaauw
Op 22-5-2012 6:21, Rugxulo schreef: > Is anybody working on FD 1.2? I haven't heard anything (and don't > think we need it just yet anyways). Switching things around is, I > guess, that person's ultimate decision (Bernd??). I'm indeed working on a FreeDOS 1.2 as 1.0 and 1.1 didn't meet up to my

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Jack
Eric, >> Do try to understand, as my damn ex-wife never did [part of >> why she BECAME my ex- 32 years ago!!], that I have a REASON >> for everything I say and do, same as for everything in UIDE > > Just making suggestions for universally faster and > more fool-proof UIDE, as I dislike the idea t

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Eric Auer
Jack, >> the numbering of FAT filesystem exists, among other reasons, >> to help DOS detect floppy changes even if there is no change I did not suggest that UIDE would use this, just said that DOS uses the volume serial to work around "no change line". >> As you know, int 13.15 can even report

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Jack
Eric, >> How does DOS ever detect that any hardware is "unreliable"?? > > I do not know, but earlier in this thread, somebody said that > the numbering of FAT filesystem exists, among other reasons, > to help DOS detect floppy changes even if there is no change > line available. The FAT file sys

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-22 Thread Eric Auer
Jack, kernel people (now CCed), >> When DOS detects an unreliable floppy change line hardware, >> it should use the floppy label / serial / similar to detect >> changes in software ... > > How does DOS ever detect that any hardware is "unreliable"?? I do not know, but earlier in this thread, so

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-21 Thread Rugxulo
Hi, On Mon, May 21, 2012 at 11:52 PM, Jack wrote: > >> VBox lets you choose how much % of processor to use, so it doesn't >> have to use 100% all the time. I just wonder whether their bugs are >> due to their tweaked BIOS or some hidden instruction incompatibility >> or what.   :-/ > > My own per

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-21 Thread Jack
-- UIDE2 has only 16 spare bytes before it goes back over a 7K .SYS file!   But, I shall find a way! > > I've never looked at UIDE closely, but there's "always" room for space > improvement in assembly!! ;-) Maybe you should "look again" at the UIDE.ASM source file! I have "boiled d

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-21 Thread Jack
Eric, > When DOS detects an unreliable floppy change line hardware, > it should use the floppy label / serial / similar to detect > changes in software ... How does DOS ever detect that any hardware is "unreliable"?? > I agree that it is nice to disable floppy caches, but maybe > the kernel act

Re: [Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-21 Thread Rugxulo
Hi, N.B. this was mailed to "freedos-user", not freedos-kernel. On Mon, May 21, 2012 at 9:34 PM, Eric Auer wrote: > >>> -- UIDE2 has only 16 spare bytes before it goes back over a 7K >>> .SYS file!   But, I shall find a way! I've never looked at UIDE closely, but there's "always" room for space

[Freedos-user] Virtual floppy change problem and slow VirtualBox UIDE2 init problem

2012-05-21 Thread Eric Auer
Jack, kernel experts, > On REAL (old) PC hardware, the existence of floppy disk changelines > is not guaranteed; even if the line is present AND properly connected > it MIGHT be flaky or not work at all; or the BIOS might not update > the bits you expect. MS-DOS (and, I presume, good DOS clones a

Re: [Freedos-user] Virtual floppy change problem

2012-05-21 Thread Bertho Grandpied
Reply to Ralf A. Quint (2012-05-21 00:45) >Bertho Grandpied wrote: >>Raises the question of what a Ramdisk should do in order to >>"properly" identify itself to smartdrv... impersonate MS-RAMDRIVE, maybe ;=) > For starters, use a media descriptor byte value of 0xFA in the BPB... This may be a

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Ralf A. Quint
At 05:10 PM 5/20/2012, Bertho Grandpied wrote: > > From: "Ralf A. Quint" > > > At 02:45 PM 5/20/2012, Bertho Grandpied wrote: > >>Case in point : unless explicitly excluded, MS-not-so-Smart-Drive > >>will happily cache certain RAMdisks (not MS ramdrive) > > > What ramdisks would that be? > >Your q

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Bertho Grandpied
> From: "Ralf A. Quint" > At 02:45 PM 5/20/2012, Bertho Grandpied wrote: >>Case in point : unless explicitly excluded, MS-not-so-Smart-Drive >>will happily cache certain RAMdisks (not MS ramdrive) > What ramdisks would that be? Your question is challenging my memory big time - I think it was

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Jack
Ulrich, > It's great that you added the /N5 switch for VirtualBox users. It was a > really fast reaction. And the anger to be forced by a buggy program to > create such a workaround is completely understandable - and makes your > reaction even more worthy. THANKS! My Thanks to you, as we

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Ulrich Hansen
Am 20.05.2012 um 22:40 schrieb dmccunney: >> Am 20.05.2012 um 20:15 schrieb dmccunney: >>> The number of >>> people trying to run FreeDOS under Virtual Box can probably be counted >>> on the fingers of two hands with change left over. > > I never said they weren't. I said very *few* were. It m

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Ralf A. Quint
At 02:45 PM 5/20/2012, Bertho Grandpied wrote: >Case in point : unless explicitly excluded, MS-not-so-Smart-Drive >will happily cache certain RAMdisks (not MS ramdrive) which is >counter-productive to say the least. This is very arguably a defect >of smartdrive, which I don't expect UIDE can pos

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Bernd Blaauw
Op 20-5-2012 22:40, dmccunney schreef: > So how many people *are* trying to run FreeDOS under Virtual Box? > Page views != unique users. No idea, the guide acts as a very nice general installation manual. Combine that with the presence of multiple emulators (QEMU, Bochs, VMware) as well as some

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Bertho Grandpied
--- En date de : Dim 20.5.12, freedos-user-requ...@lists.sourceforge.net a écrit : > De: freedos-user-requ...@lists.sourceforge.net > > Objet: Freedos-user Digest, Vol 636, Issue 2 > À: freedos-user@lists.sourceforge.net > Date: Dimanche 20 mai 2012, 22h41 > Send Freedos-user mailing list >

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread dmccunney
On Sun, May 20, 2012 at 4:06 PM, Ulrich Hansen wrote: > Am 20.05.2012 um 20:15 schrieb dmccunney: > >> The number of people who still run DOS is a vanishingly small fraction >> of the number of people who use computers.  The number who run DOS in >> a virtual machine is a small fraction of that nu

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Ulrich Hansen
Am 20.05.2012 um 20:15 schrieb dmccunney: > > The number of people who still run DOS is a vanishingly small fraction > of the number of people who use computers. The number who run DOS in > a virtual machine is a small fraction of that number. The number of > people trying to run FreeDOS under

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Jack
Bertho, > ... I've not been "defending" MS smartdrive "against" UIDE - clearly > they are not reciprocally substitutable, there are arguments for and > against, either side, and also cases when it is not easy to choose. > I've been mentioning smartdrive only for the fact that it lets the > user e

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Bertho Grandpied
.SYS file! But, I shall find a way! >> >> No doubt you will. > In fact only 12 bytes, and I required only 11 of them for /N5, so > UIDE2 still has 1 spare! It is still a 7K-byte .SYS file and it > can be "packed" using UPX down to 6K for use on "boot" diskette

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread dmccunney
On Sun, May 20, 2012 at 1:56 PM, Rugxulo wrote: > On May 20, 2012 12:00 PM, "Ralf A. Quint" wrote >> Anyway you slice it, that Virtual Box (and probably a few other VMs) >> are not properly supporting this is rather due to the ignorance of >> those VM developers and the stupid attitude of "nobod

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Rugxulo
Hi, On May 20, 2012 12:00 PM, "Ralf A. Quint" wrote > > Anyway you slice it, that Virtual Box (and probably a few other VMs) > are not properly supporting this is rather due to the ignorance of > those VM developers and the stupid attitude of "nobody is using > floppy disks anymore". It is a very

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Ralf A. Quint
At 04:51 AM 5/20/2012, Bertho Grandpied wrote: >Jack, if I may chime in... I think you're now contemplating the >right step. I can understand your frustration with VB in this >instance, BUT imho your previous approach has been to ignore a few >facts, that have nothing to do with that or another

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Jack
Bertho, >> Given the "high level of responsibility" [Ha-Ha!] taken by the >> VirtualBox creators, it looks as if I will have to add another >> UIDE switch, that disables diskette caching regardless of what >> its other switches tell it to do.  > > Jack, if I may chime in... I think you're now con

Re: [Freedos-user] Virtual floppy change problem

2012-05-20 Thread Bertho Grandpied
--- On : Sat, 19 May 2012 15:43:57 -0700, Jack <...@earthlink.net> wrote : > Given the "high level of responsibility" [Ha-Ha!] taken by the > VirtualBox creators, it looks as if I will have to add another > UIDE switch, that disables diskette caching regardless of what > its other switches tell i

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-20 Thread Wolfgang Schechinger
Dear STF, I have tried both. No difference. Wo > How did you change the floppy? I mean, did you just choose one > image file after another? Or did you *remove* the current floppy > image *and then* choose the next one? > -- Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir be

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-20 Thread STF
How did you change the floppy? I mean, did you just choose one image file after another? Or did you *remove* the current floppy image *and then* choose the next one? -- Live Security Virtual Conference Exclusive liv

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Jack
Wolfgang, > when your harddrive as well as your floppies are virtual: does > it make sense to cache them at all? The host operating system > probably is already caching the relevant data. One cannot be sure the host system is caching data! You should test this, by running with UIDE (caching)

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Jack
Wolfgang, > I don't think that this is possible [using "CC" to flush UIDE's > cache]. In my case, the installation program is asking for the > diskettes one by one, so there is no way to issue a commandline > command in between. You are correct, and I am sorry to hear that. Given the "high lev

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Wolfgang Schechinger
Jack, when your harddrive as well as your floppies are virtual: does it make sense to cache them at all? The host operating system probably is already caching the relevant data. Wolfgang -- Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir belohnen Sie mit bis zu 50,- Euro! https://f

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Wolfgang Schechinger
Jack, I don't think that this is possible. In my case, the installation prgrams is asking for the disks one by one, so there is no way to issue a commandline command inbetween. Wolfgang -- NEU: FreePhone 3-fach-Flat mit kostenlosem Smartphone! Jetzt informie

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Jack
Ulrich, >> UIDE does not include logic to "ignore" a diskette drive. If one >> or two are present, UIDE will always cache them ... > > I think the /B switch works for me. Yes, you are correct -- UIDE is such a complex program that even I "forget" some of its features, from time to time! /B c

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Jack
Wolfgang, > I am so happy that there is something like FreeDos available, even for > free, that I can play around with. As I usually pretty soon run into > very strange challenges for (any) software - some people say, that every > computer that sees me for the first time, simply crashes, si

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Ulrich Hansen
> >>> thanks for the hint! I have commented out the line in autoexec.bat which >>> loads the UIDE.SYS cdrom driver. Now there is no problem accessing the >>> floppy images. >> >> So maybe there is a problem with floppy change signalling >> versus caches - would be interesting to know whether it i

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Wolfgang Schechinger
me to (temporally) disable the UIDE driver in order to get my stuff done. Wo Original-Nachricht > Datum: Sat, 19 May 2012 14:46:56 -0700 > Von: Jack > An: freedos-user@lists.sourceforge.net > Betreff: Re: [Freedos-user] Virtual floppy change problem with VirtualBox

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Jack
Eric, et al: >> thanks for the hint! I have commented out the line in autoexec.bat which >> loads the UIDE.SYS cdrom driver. Now there is no problem accessing the >> floppy images. > > So maybe there is a problem with floppy change signalling > versus caches - would be interesting to know whether

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Wolfgang Schechinger
Hi Eric, you mean the option /E ? Still the same. Wolfgang Original-Nachricht > Datum: Sat, 19 May 2012 22:15:22 +0200 > Von: "Eric Auer" > An: freedos-user@lists.sourceforge.net > Betreff: Re: [Freedos-user] Virtual floppy change problem with

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-19 Thread Eric Auer
Hi Wo, > thanks for the hint! I have commented out the line in autoexec.bat which > loads the UIDE.SYS cdrom driver. Now there is no problem accessing the > floppy images. So maybe there is a problem with floppy change signalling versus caches - would be interesting to know whether it is suffici

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Jack
Wolfgang and Ulrich, > Hi Ulrich, > > thanks for the hint! I have commented out the line in autoexec.bat > which loads the UIDE.SYS cdrom driver. Now there is no problem > accessing the floppy images. This sounds to me as if VirtualBox is NOT posting the "media change" bits for a floppy-di

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Wolfgang Schechinger
Hi Ulrich, thanks for the hint! I have commented out the line in autoexec.bat which loads the UIDE.SYS cdrom driver. Now there is no problem accessing the floppy images. Best regards, Wo -- Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir belohnen Sie mit bis zu 50,- Euro! https://

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Ulrich Hansen
Hi Wolfgang, I just tested this with FreeDOS 1.1 as guest and VirtualBox 4.1.14 under OS X as host and it works for me. I start FreeDOS with option 1 in the start menu. I did not load UIDE.SYS in AUTOEXEC.BAT, as I normally don't work with CDs in FreeDOS anyway and VirtualBox conflicts with t

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Wolfgang Schechinger
- Original-Nachricht > Datum: Wed, 16 May 2012 13:27:59 -0430 > Von: Marco Achury > An: freedos-user@lists.sourceforge.net > Betreff: Re: [Freedos-user] Virtual floppy change problem with VirtualBox > El 16/05/2012 12:03 p.m., Wolfgang Schechinger escribió: > > Dea

Re: [Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Marco Achury
El 16/05/2012 12:03 p.m., Wolfgang Schechinger escribió: > Dear experts, > > I have some floppy images I want to use with FreeDos that is running in a VM > (VirtualBox). The images work fine with e.g. Windows in such an environment. > > However with the virtual FreeDos, disk changes are not recog

[Freedos-user] Virtual floppy change problem with VirtualBox

2012-05-16 Thread Wolfgang Schechinger
Dear experts, I have some floppy images I want to use with FreeDos that is running in a VM (VirtualBox). The images work fine with e.g. Windows in such an environment. However with the virtual FreeDos, disk changes are not recognized: Only the first Image that has been used after boot is show