PCjs Machines
Home of the original IBM PC emulator for browsers.
COMPAQ User Programs (1986)
COMPAQ DeskPro 386 (1986)
Of particular interest here is the copy of CEMM that PCjs has unearthed, the first (known) publicly available
utility to make use of V86-mode on the 80386.
More information about CEMM is available at the OS/2 Museum.
From README.CPQ:
C O M P A Q(R) P E R S O N A L C O M P U T E R S
COMPAQ DESKPRO 386 SUPPLEMENTAL USER PROGRAMS
The COMPAQ DESKPRO 386 SUPPLEMENTAL USER PROGRAMS diskette
contains several utilities, such as COMPAQ Expanded Memory
Manager (CEMM), that enable you to take advantage of specific
capabilities of your computer.
At the A> prompt, type the NUMBER of the utility for which
you want instructions and press the ENTER key.
1. Information about the DISKINIT utility.
2. Information about the INST386 utility.
3. Information about the CEMM.EXE device driver.
4. Information about the CEMM.COM utility.
5. Information about the VDISK.SYS device driver.
[PCjs Machine "deskpro386"]
Waiting for machine "deskpro386" to load....
Directory of COMPAQ DeskPro 386 (1986)
Volume in drive A has no label
Directory of A:\
IBMBIO COM* 9728 3-27-86 12:00p
IBMDOS COM* 27760 3-27-86 12:00p
COMMAND COM* 23210 3-27-86 12:00p
AUTOEXEC BAT* 33 8-08-86 12:00p
DISKINIT COM 9259 8-08-86 12:00p
INST386 EXE 31808 8-08-86 12:00p
CEMM EXE 64736 8-08-86 12:00p
CEMM COM 963 8-08-86 12:00p
VDISK SYS 3420 8-08-86 12:00p
README CPQ 1788 8-08-86 12:00p
1 BAT 74 8-08-86 12:00p
2 BAT 73 8-08-86 12:00p
3 BAT 71 8-08-86 12:00p
4 BAT 71 8-08-86 12:00p
5 BAT 71 8-08-86 12:00p
DISKINIT SCR 670 8-08-86 12:00p
INST386 SCR 713 8-08-86 12:00p
CEMME SCR 672 8-08-86 12:00p
CEMMC SCR 397 8-08-86 12:00p
VDISK SCR 567 8-08-86 12:00p
20 file(s) 176084 bytes
173056 bytes free