AT&T 6386E Hangs with RAM Option on EMM386 (75137)
The information in this article applies to:
• Microsoft MS-DOS operating system 5.0
• Microsoft MS-DOS operating system 5.0a
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.21
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q75137
An expanded memory page frame set to DC00 or higher on a AT&T 6386E
causes the system to stop responding (hang). For example, the
following DEVICE= statement hangs the system.
DEVICE=EMM386.EXE m8 RAM
The AT&T 6386E has a ROM option at address E800 that is used during
system operations. Setting a page frame to DC00 or higher overlaps
with the ROM option, resulting in a hang.
On some systems, you can set a page frame to DC00 or higher. For
example, machines with AMI BIOS use the entire E000:EFFF area for the
ROM setup program. To set a page frame at E000, make sure that the ROM
option is never needed during normal system operation.
The product included here is manufactured by AT&T, a vendor
independent of Microsoft; we make no warranty, implied or otherwise,
regarding this product's performance or reliability.
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