Re: [Freedos-devel] UDMA

2004-03-28 Thread Luchezar Georgiev
On Mon, 29 Mar 2004 00:56:48 +0200, Bernd Blaauw wrote: crash if UDMA loaded high, but no VDS present // XMS-test should have been done and succeeded. UDMA checks if VDS are active and if so, uses them to "lock" the buffer and obtain a physical address, else calculates the physical address itse

[Freedos-devel] EMM386 and Lynx

2004-03-28 Thread Michael Devore
At 05:16 PM 3/27/2004 -0600, I wrote: >This one should be getting close. The second release candidate version of EMM386 >with VCPI support is available at ftp://ftp.devoresoftware.com/downloads in the files >EMM386.ZIP and EMM386SR.ZIP, as executable and ASM+C source. They are dated March >27,

Re: [Freedos-devel] UDMA

2004-03-28 Thread Michael Devore
At 12:56 AM 3/29/2004 +0200, Bernd Blaauw wrote: >I'll try DEVICEHIGH with EMM386. >didn't Tom implement a basic VDS option? >DEVICE=EMM386.EXE VDS I strongly recommend against using the VDS option. It apparently was broken before my VCPI and UMB work and the UMB code I added at a minimum broke

Re: [Freedos-devel] UDMA

2004-03-28 Thread Bernd Blaauw
guessed UDMA flowchart: 0)init 1)check soutbridge // if southbridge unknown, abort 2)do basic tests // if a test fails, abort 3)check for XMS // if fail, go to 5 4)do advanced tests // XMS required, if a test fails, abort 5)load UDMA-code/driver 6)crash if UDMA loaded high, but no VDS present // X

Re: [Freedos-devel] UDMA

2004-03-28 Thread Michael Devore
At 05:34 PM 3/28/2004 +0300, Luchezar Georgiev wrote: >On Sat, 27 Mar 2004 15:23:44 -0600, Michael Devore wrote: > >>It's an ALi M5229, which is an Acer Labs Aladin IV+ TX PRO if that's what you mean. >>I don't know a south bridge from a London bridge or a dental bridge, myself. > >M5229 is the i

Re: [Freedos-devel] UDMA

2004-03-28 Thread Steve Nickolas - Using Windoze
Luchezar Georgiev wrote: It's good to have so experienced programmers contribute to FreeDOS. One thing could prevent them from doing so though - the possibility of being "flamed off" in our forums. Not everyone can withstand the ingratitude, disrespect and quarrelsomeness that SOMETIMES pour fr

Re: [Freedos-devel] UDMA

2004-03-28 Thread Luchezar Georgiev
On Sat, 27 Mar 2004 15:23:44 -0600, Michael Devore wrote: It's an ALi M5229, which is an Acer Labs Aladin IV+ TX PRO if that's what you mean. I don't know a south bridge from a London bridge or a dental bridge, myself. M5229 is the integrated UDMA IDE controller. The south bridge chip must be