I've created a 50 gb FAT32 partition (with 4kb cluster size) on a 2.5" 500 gb SATA hard drive and made it bootable and copied all the DOS 7.1 files to it. I've also copied XP-SP3 and Windows 7 installation CD's to this partition. This is in preparation for installing XP (and maybe win-7 in the …

Smartdrv.exe isin't loading because it claims there is no XMS memory available to it. My config.sys is: DEVICE=C:\DOS\HIMEM.SYS /verbose DEVICE=C:\DOS\EMM386.EXE NOEMS VERBOSE DOS=HIGH,UMB,NOAUTO BUFFERSHIGH=50,0 FILESHIGH=50 STACKSHIGH=32,512 SWITCHES /F /W BREAK=ON Autoexec.bat is: LH C:\DOS\ …

> Porttalk doesn't give you interrupts. That may be. But still, if I wanted more direct access to the com ports, would it be possible if I uninstalled the com port from XP or deactivated it's driver?

If I uninstall the com port in XP (or otherwise deactivate the com port driver) will that enable my DOS app to get true, low-level access to the port, even if I have to use porttalk?

I'm wondering how an operating system (like XP) handles or controls the com ports when a 16-bit app is trying to perform I/O through the com port. Even with a utility like porttalk I can't seem to get "pure" access to the com port. And I don't understand if IRQ handling is possible using porttalk ( …

I just downloaded and installed Doxbox on a win-98 computer. When I run it, I get a blue screen error -> Fatal Exception 00 has occured in VXD VDD(09). Any ideas what's going on?