DOS ain't dead - DOS and 4 GB of memory

DOS and 4 GB of memory (Users)

posted by ecm , Düsseldorf, Germany, 31.07.2008, 16:32

> Note that many programs, specially C ones doing pointer arithmetic might
> have problems when using address over 2GB.

Could be a problem for DPMI and such, but real mode DOS applications using XMS shouldn't run into trouble here.

> > What about PAE -extensions in DOS to utilize > 4 GB memory on a 64-bit
> > CPU?
>
> A lot of older Xeons also support PAE. Not just 64-bit ones.

It was introduced around Pentium Pro (80686) or so.

---
l

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Complete thread:

DOS and 4 GB of memory - Zyzzle, 31.07.2008, 00:35 (Users)
- DOS and 4 GB of memory - marcov, 31.07.2008, 10:56
  - DOS and 4 GB of memory - ecm, 31.07.2008, 16:32
  - DOS and 4 GB of memory - RayeR, 31.07.2008, 23:23
    - DOS and 4 GB of memory - marcov, 01.08.2008, 12:39
      - DOS and 4 GB of memory - Zyzzle, 01.08.2008, 23:37
        DOS and 4 GB of memory - Rugxulo, 02.08.2008, 08:12
        DOS and 4 GB of memory - RayeR, 03.08.2008, 00:59
        DOS and 4 GB of memory - Japheth, 03.08.2008, 06:15
        DOS and 4 GB of memory - Rugxulo, 06.08.2008, 01:11
        DOS and 4 GB of memory - Japheth, 06.08.2008, 07:15
        DOS and 4 GB of memory - Rugxulo, 07.08.2008, 05:37
        DOS and 4 GB of memory - Japheth, 07.08.2008, 10:08
        DOS and 4 GB of memory - RayeR, 06.08.2008, 15:09
- DOS and 4 GB of memory - Steve, 31.07.2008, 13:00
- DOS and 4 GB of memory - Rugxulo, 31.07.2008, 20:00
  - DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 01.08.2008, 05:01
    - DOS and 4 GB of memory (CWSDPMI) - RayeR, 11.08.2008, 17:28
      - DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 12.08.2008, 07:20
        DOS and 4 GB of memory (CWSDPMI) - RayeR, 12.08.2008, 11:43
        DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 14.08.2008, 04:28
  - DOS and 4 GB of memory - Zyzzle, 04.08.2008, 00:13
    - DOS and 4 GB of memory - rr, 04.08.2008, 09:26
      - DOS and 4 GB of memory - Rugxulo, 04.08.2008, 23:19