Memory

MSDOS » Utilities » Memory

A20OFF

Summary: Turn address line 20 on/off with C&T chip set
Download: a20off.zip (Nov 19 1990, 3.4K)




A20TEST

Summary: A20 address line enable/disable/status display
Download: a20test.zip (Dec 9 1990, 4.1K)




ABOVE1M

Summary: Real mode memory extender, enables 4Gb access
License: Shareware
Email: ludovica@edarcom.fnc.net
Download: above1m0.zip (Dec 2 1996, 4.3K)
Description:
This program works with 386, 486 and Pentium compatible processors, and enables FS segment register to work with 32 bit offset addresses to reach all 4gb memory space in real mode. It is fully compatible with DOS environment, only requires to run in real mode. This means that you must not run EMM386 driver or any DOS task under Windows or OS/2, or any other program that sets the CPU in Protected mode or in Virtual mode. The program executes and exit at once. It doesn't waste any memory space. It is very useful for embedded systems or diagnostic software.
To work with full memory access you must do the following steps:
1) Be sure to be in Real mode.
2) Run above1m.
3) Write a program that uses FS to access 32 bit addresses like:
MOV AX,0
MOV FS,AX
MOV EDI,10000000H
MOV AX,FS:[EDI]
MOV DWORD PTR FS:[EDI],12345678H
MOV FS:[EDI],EDX Note:
Remember that in Real mode the effective address is computed adding the Segment Register multiplied by 16, with a 16 bit offset, to obtain a 20 bit address. In our case the effective address is computed adding the seg reg multiplied by 16, with a 32 bit offset.
EXAMPLE:
FS=4570H
EDI=12104612H
FS MULTIPLIED BY 16= 45700+
32 BIT OFFSET =12104612
--------
EFFECTIVE ADDRESS=12149D12H
If you load FS with zero the effective address will be the 32 bit offset.




ADDMEM

Summary: Increases available memory on EGA/VGA machines
Download: addmem25.zip (Jan 6 1992, 22.7K)




ADDRAM

Version: 4.0
Summary: Add DOS RAM using EMS
Download: addram10.zip (Feb 14 1989, 22.6K)




Brown bag's RAM test

Summary: Brown bag's RAM test: mother board/emm/abv bd
Download: ramtst30.zip (Apr 4 1988, 52.3K)




DEMM

Summary: Extended memory stats/diags
Download: demm.zip (Oct 8 1986, 6.4K)




Driver

Version: 4.0
Summary: Driver: use extended memory as EMS memory
Download: ems40v11.zip (Jul 18 1989, 22.7K)




DUMPEM

Summary: Display/edit expanded, extended, normal memory
Download: dumpem.zip (Apr 21 1988, 17.6K)




EATMEM

Summary: Reduce available memory for testing programs
Download: eatmem11.zip (Nov 15 1991, 24.5K)




EEMRAM 736

Summary: Expand DOS RAM toK w/Enh. or LIM 4.0 mem.
Download: eemram21.zip (Apr 11 1989, 18.2K)




EMSAW41S

Version: 4.1
Summary: Huge Arrays in Expanded MemoryS (updated)
Download: emsaw41s.zip (Jun 26 1994, 26.1K)




EMSUIT

Summary: Utilities for manipulating EMS RAM
Download: emsuit11.zip (Feb 21 1990, 67.2K)




EXC_DX 386

Summary: Exception handler kit for PharLap|DosX
Download: exc_dx02.zip (Oct 26 1994, 76.7K)




FREE

Summary: Shows free memory, and percent of use
Download: free402.zip (Feb 15 1987, 4K)




HDMS

Summary: Win9x MS-DOS utility manager
Download: hdms.zip (Mar 20 2000, 2.5M)
Description:
Hard Drive Menu System v1.06 (HDMS) is a great Win95/98 MS-DOS
companion. Use it as your own personal Win/MS-DOS utility manager.
It's simple to use and powerful. With HDMS you don't need to worry
about figuring out all those confusing MS-DOS memory setups. Let HDMS
do the work for you. With its simple-to-use icon based design it's like
having Windows for MS-DOS. HDMS is not only simple to use but its
simple QBasic programming allows the programmer to explore the routines
and make changes if needed...to custom fit you.

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HIMOV 286/386

Summary: Upper Memory Manager for systems
Download: himov214.zip (Feb 17 1991, 108.6K)




JAMBO

Summary: Device Driver can increase upper memory
Download: jambo10.zip (Dec 15 1991, 10.3K)




LOWMEM

Summary: DOS low memory map, very detailed
Download: lowmem.zip (Jun 18 1988, 4.5K)




M

Summary: List memory resident programs
Download: m.zip (Feb 17 1990, 3.7K)




M_M_KIT

Summary: DOS 5 Utilities to optimise upper memory
Download: m_m_kit.zip (Sep 11 1991, 122.3K)




MAP

Summary: DOS Memory map (UMB, XMS, EMS, DD), w/C src
Download: map20.zip (Oct 27 1994, 19.9K)




MAXMENU 386

Summary: Front end menu forMAX/386MAX Professional
Download: maxmenu.zip (Jul 2 1989, 9.9K)




Mem extender 286/386

Summary: Mem extender:/SX using C&T DRAM ctlrs
Download: ctmap099.zip (Jul 1 1991, 51.4K)




Memory Viewer

Version: 0.42
Summary: View memory in Hex/ASCII
License: Freeware
Author: Holger Wenzel
Email: hwenzel@hrzpub.tu-darmstadt.de
Homepage: http://www.tu-darmstadt.de/~hwenzel/
Download: mview042.zip (Jul 4 1998, 1.9K)
Description:
Memory Viewer v0.42 - Lets you view your Computer's Memory "live" in
hexadecimal and ASCII.




MEMSIM

Version: 3.2
Summary: Simulates LIM EMS expanded memory via disk
Download: memsim32.zip (Aug 18 1989, 29K)




MEMSIZ

Summary: Report free RAM
Download: memsiz.asm (Oct 1 1985, 2.4K)




MEMST

Summary: Change the DOS memory allocation strategy
Download: memst101.zip (Feb 12 1993, 8.3K)




MEMTEST

Summary: Tests the RAM, w/asm sources
License: Freeware
Author: Stefan Ziegenablg
Email: stefan.ziegenbalg@mailbox.tu-dresden.de
Homepage: http://www.simg.de/
Download: memtest.zip (Jul 20 1999, 25.9K)
Description:
memtest is a memory test program for DOS. It is freely distributed
under the GPL. memtest uses varying random patterns for memory testing
and performs "up/up", "up/down", "down/up", "down/down" tests. So it
also detect unusual errors.




MINLOAD

Summary: Determine amount of mem. needed to load a pgm
Download: minload.zip (Sep 12 1988, 3K)




NMI

Summary: Thorough RAM test utility. Safe
Download: nmi.zip (Sep 14 1985, 5.7K)




PMAP

Summary: Chris Dunford's memory mapper; handles EMS/XMS
Download: pmap210.zip (Jul 2 1991, 30.8K)




PMODE

Summary: DOS extender indep. Protected Mode progrmg API
Download: pmode01.zip (Mar 10 1994, 25.9K)




RAMTEST

Summary: RAM test program, Conventional, EMS, EEMS
Download: ramtest.zip (May 28 1986, 6.6K)




REMM

Version: 4.31
Summary: AST expanded memory driver REMM.SYS
Download: remm431.zip (Sep 12 1989, 11.4K)




RT

Summary: Tests for bad memory chips (extended/expanded)
Download: rt302.zip (Dec 14 1988, 51.6K)




Showmem

Summary: Shows memory contents in Hex/ASCII
License: Freeware
Email: christine.martinson@swipnet.se
Homepage: http://home2.swipnet.se/~w-20064/
Download: showmem.zip (Jul 28 1997, 4.6K)
Description:
Showmem lets You "browse" through memory from a DOS prompt and shows the contents in hexadecimal values and ASCII.




SPRAY

Summary: Copy contents of memory to printer/disk file
Download: spray.zip (Jul 27 1989, 2.5K)




SWAP

Summary: Swap main and expanded memory when SHELL'ed
Download: swap.zip (Mar 24 1989, 12.4K)




SWAPDOC

Summary: Documentation for the SWAP utilities
Download: swapdoc.zip (Sep 4 1989, 23.7K)




SWAPDOS

Summary: SWAPDOS: Use all RAM when shelled out from pgm
Download: swpds100.zip (Jan 30 1990, 34K)




SWAPGF

Summary: Swap Gofer in and out of memory
Download: swapgf11.zip (Apr 5 1989, 28.4K)




SWPDT

Version: 1.52
Summary: SWAP for PC Tools DeskTop
Download: swpdt152.zip (Sep 15 1989, 20.7K)




SWPMM

Version: 1.52
Summary: SWAP for MemoryMate
Download: swpmm152.zip (Sep 15 1989, 20.3K)




SWPMT

Version: 1.52
Summary: SWAP for Lotus Metro and Express
Download: swpmt152.zip (Sep 15 1989, 30.3K)




SWPNG

Version: 1.52
Summary: SWAP for Norton Guides
Download: swpng152.zip (Sep 15 1989, 20.3K)




SWPSH

Version: 1.52
Summary: SWAP for PC Tools Deluxe SHELL
Download: swpsh152.zip (Sep 15 1989, 18.5K)




SWPSK

Version: 1.52
Summary: SWAP for SideKick
Download: swpsk152.zip (Sep 15 1989, 18.8K)




SWPSP

Version: 1.52
Summary: SWAP for SideKick Plus
Download: swpsp152.zip (Sep 15 1989, 21.3K)




SWPTN

Version: 1.52
Summary: SWAP for Toronado
Download: swptn152.zip (Sep 15 1989, 18.5K)




TESTX 396

Summary: Utility to test extended memory,, 496, 486
Download: testx33.zip (Dec 8 1990, 6.2K)




TMAP

Summary: Memory control block mapper ver1.10
Download: tmap110.zip (Feb 10 1988, 5.5K)




TRKMEM

Summary: Memory usage tracker for DOS programs
Download: trkmem10.zip (Sep 5 1992, 10.3K)




Umax

Version: 1.20
Summary: Umax: Utility to test upper-memory block
Download: umax120.zip (Nov 11 1991, 11.2K)




UMBDR

Summary: UMB provider/base memory expander for DOS 5
Download: umbdr522.zip (May 31 1996, 40.8K)




UMBGWJ

Summary: UMB mgr for HT-320 chipset, with source code
Download: umbgwj10.zip (Nov 29 1994, 16.9K)




UMBMEM 386/486

Summary: Provides DOS 5 upper memory blocks on
Download: umbmem.zip (Oct 8 1991, 17.4K)




UMM

Version: 0.3
Summary: Upper Memory Manager - Provides UMBs
Download: umm03.zip (Dec 15 1991, 13.8K)




USE-UMBS

Summary: Driver to use upper memory blocks on XT/ATs
Download: use-umbs.zip (Nov 2 1994, 20.5K)




VEUM

Summary: Allows use of HD as Expanded Memory
Download: veum.zip (Jan 28 1987, 26.4K)




VU-XM1C

Summary: 286 extended memory peeker using LOADALL
Download: vu-xm1c.zip (May 31 1990, 35.4K)




XMS Control Center

Summary: XMS mngmt & info utility
License: Freeware
Requires: 286 or later CPU with extended memory and an XMS driver that implements the Extended Memory Specification version 2.0 or above (e.g. himem.sys).
Email: alpha@lego.soroscj.ro
Download: xmscc15.zip (Nov 16 1997, 26.9K)
Description:
XMS Control Center displays the current setup of your eXtended Memory Manager (XMM) and allows you to change the layout of extended memory by modifying the currently allocated Extended Memory Blocks (EMBs).
XMS Control Center is able to display information about each extended block currently allocated and allows you to free, lock, unlock or reallocate it. You can also allocate new extended memory blocks.
Works in both interactive and command-line mode.




XSPAWN

Version: 1.34
Summary: X Spawn EMS memory swapping program
Download: xspawn34.zip (May 2 1991, 36.2K)






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Last updated: 07/05/03