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Information is available on the following topics: QEMM and Microsoft Windows QEMM and DESQview or DESQview/X QEMM and DR-DOS 6 or Novell DOS 7 QEMM and Disk Compression QEMM and Bus-mastering Devices QEMM and the EMS Page Frame QEMM's Stealth ROM Feature QEMM's Optimize Program Undoing an Optimize QEMM's Manifest Program VIDRAM: Extending Memory for Text-based Programs Freeing Additional Conventional Memory QEMM's New Parameter Names Booting Your System Without QEMM Contacting Quarterdeck's Technical Support Department Switching Between MS-DOS 6's Memory Manager and QEMM QEMM and MICROSOFT WINDOWS QEMM is fully compatible with Microsoft Windows 3.0 and 3.1. QEMM automatically gives you 8K-24K more memory for running DOS programs inside Windows 386 enhanced mode. You can also use QEMM's VIDRAM feature to extend the amount of memory available to DOS text-based programs running in Windows by up to 96K. (For information on using VIDRAM, see Chapter 6 in the QEMM Reference Manual.) In the unlikely event that you experience problems with Windows after installing QEMM, see the text file WINFLOW.TEC in the \QEMM\TECHNOTE directory. You can view technotes with QEMM Setup by selecting the technotes option at the main menu. QEMM and DESQview or DESQview/X If you are using DESQview or DESQview/X, you can increase the amount of memory in each window by using the Stealth ROM feature. To find out if you are using Stealth ROM, select "Review or change QEMM parameters" from the main QEMM Setup menu and look for the selection "Stealth system and video ROMs." If you see the word "Mapping" or "Frame" at the end of that line, Stealth ROM is already enabled. If you see the word "Off," you can enable Stealth ROM by typing "S" or hitting the ENTER key, then following the on-screen instructions. Online Help will tell you more about the Mapping and Frame methods of Stealth ROM. If you have DOS version 5 or 6, QEMM's installation places the command DOS=HIGH in your CONFIG.SYS file (if it is not already there). This is a DOS command that loads part of DOS and DOS BUFFERS into the HMA (the first 64K of memory above 1MB). You may be able to increase the amount of memory in DESQview or DESQview/X windows by deleting DOS=HIGH from CONFIG.SYS. To find out, first run Memory Status from inside DESQview or DESQview/X. Make a note of the figure in the bottom right under "Largest Available Expanded Memory." Then delete DOS=HIGH from your CONFIG.SYS and run Optimize by typing OPTIMIZE at the DOS prompt. When Optimize completes, run Memory Status from inside DESQview or DESQview/X and check "Largest Available Expanded Memory" again. If it is a larger number than before, you are better off without DOS=HIGH. Otherwise, add the line DOS=HIGH back to CONFIG.SYS and re-run Optimize. QEMM and DR-DOS 6 or NOVELL DOS 7 DOS-Up is compatible with both Novell DOS 7 and DR DOS 6, but not with DR DOS 5. For complete information on using QEMM with DR DOS 6 or Novell DOS 7, see the text file DRDOS6.TEC or NOVELL7.TEC in the \QEMM\TECHNOTE directory. You can view technotes with QEMM Setup by selecting the technotes option at the main menu. QEMM and DISK COMPRESSION (Stacker, SuperStor, XtraDrive, DoubleSpace, DriveSpace) Depending on the disk compressor you are using, you may need to take special steps to use QEMM. We have provided technical bulletins (technotes) covering Stacker, SuperStor, and XtraDrive in the \QEMM\TECHNOTE directory. Stacker - If you have Stacker version 2.0x, 3.0, or 3.1, no special steps are generally required; however, we do suggest you read the technote STACKER3.TEC before running Optimize. If you are using Stacker 4.0, see the technote STACKER4.TEC. SuperStor - Before running Optimize, read SSTOR.TEC. XtraDrive - Please see the technote XTRADRV.TEC. DoubleSpace or DriveSpace - If you are using MS-DOS 6's DoubleSpace or DriveSpace, you can save 31K-49K of memory by using QEMM's Stealth D*Space feature to relocate the DoubleSpace or DriveSpace device driver in expanded memory. See Chapter 5 of the QEMM Reference Manual for details. QEMM and BUS-MASTERING DEVICES Certain SCSI disk controller cards (and, less frequently, ESDI disk controllers and network cards) use a technique called bus-mastering to speed up disk access. This technique causes a conflict when a memory manager (such as QEMM) attempts to load a device driver or TSR into upper memory. In some, but not all, cases QEMM can detect a bus-mastering hard disk controller and will take steps to prevent this from happening. (This is not true if the card controls something other than a hard drive or if QEMM is not being loaded from the bus-mastering hard drive.) The typical symptom of a bus-mastering controller is a lock up during Optimize. Fortunately, there are solutions to this problem. For a detailed explanation of bus-mastering and suggestions for resolving the conflicts caused by its use, please refer to our technical bulletin BUS-MAST.TEC which can be found in your \QEMM\TECHNOTE directory. You can view technotes with QEMM Setup by selecting the technotes option at the main menu. QEMM and the EMS PAGE FRAME Most programs that use expanded memory (EMS) access up to 64K of expanded memory at a time (in 16K units called pages) at a special area of upper memory called the page frame. An expanded memory manager (QEMM) makes memory from outside the first megabyte of memory appear in the page frame. QEMM's installation normally reserves 64K of upper memory for use as a page frame. You can use QSETUP to specify that no page frame should be used. The advantage of eliminating the page frame is that you will free up 64K of upper memory. The disadvantages are 1) programs that use EMS memory will not have it, and 2) you will not be able to use the Stealth ROM and Stealth D*Space features, which can typically gain you 48K-115K of additional usable upper memory, and 31K-49K beyond that if you are using MS-DOS 6's DoubleSpace or DriveSpace disk compression feature. Because a great number of DOS applications can use EMS memory and because you can gain even more usable upper memory with Stealth, we recommend you use a page frame. To eliminate the page frame, select "Review or change QEMM parameters" from the main QEMM Setup menu, then select "Set page frame" and specify NONE. To help you decide if you need a page frame, review the following partial list of programs that use EMS: APPLICATIONS Paradox (Borland) Clipper (Computer Associates) DESQview (Quarterdeck) Folio Views (Folio Corp.) Generic CAD (AutoDesk) Lotus 1-2-3 2.x (Lotus) Lotus Agenda (Lotus) FoxPro (Microsoft) Quattro Pro (Borland) Wildcat BBS (Mustang) Turbo C (Borland) DESQview/X (Quarterdeck) Intellicom (Liberation Enterprises) Geoworks (Geoworks) Lotus Magellan (Lotus) Lotus Symphony (Lotus) Q & A (Symantec) WordPerfect (WordPerfect Corp./Novell) Harvard Graphics (SPC) dBASE (Borland) NETWORKING SOFTWARE 3COM TCPIP 2.1 (3COM) DECNET (Digital Equipment Corp.) PC/TCP 2 and 3 (FTP) LANMAN 2.1 (Microsoft) EMSNETX and VLM.COM (Novell) UTILITIES PC Tools (Symantec) DoubleDisk (Vertisoft) Fastback (Symantec) NDOS (Symantec) Btrieve (Novell) QRAM (Quarterdeck) Stacker (Stac Electronics) MSCDEX CD ROM Driver (Microsoft) XtraDrive (Integrated Information Technologies) DISK CACHES Norton Cache (Symantec) Cache86 (Aldridge) PC-Kwik (PC-Kwik) Hyperdisk (Hyperware) GAMES Falcon (Spectrum Holobyte) Patriot (Three-Sixty) Spear of Destiny (ID Software) Strike Commander (Origin) Ultima Underworld (Origin) V for Victory (Three-Sixty) Wing Commander (Origin) Wolfenstein (ID Software) X-Wing (LucasArts) QEMM's STEALTH ROM FEATURE Stealth ROM is an exclusive QEMM feature that can typically create an additional 48K to 115K of High RAM on almost any PC. Stealth ROM hides your PC's ROMs and makes their memory addresses available for High RAM or expanded memory mapping. The advantage of having the additional High RAM is that QEMM can load TSRs, device drivers and selected parts of DOS there instead of in conventional memory. By freeing up conventional memory, you will have more room for running DOS programs. Depending on your configuration and the installation options you chose, Stealth ROM may have been enabled on your system when you installed QEMM. When you run the Optimize program, Optimize will try to load your TSRs, device drivers and selected parts of DOS into High RAM. If all of them will not fit, Optimize will test your system for compatibility with Stealth ROM and will determine which Stealth ROM method is best for your system. Is there any reason not to use Stealth? Yes, you may not need it if all your device drivers, TSRs and parts of DOS fit into High RAM without Stealth ROM enabled. The extra High RAM that Stealth ROM creates actually comes from QEMM's pool of memory, so by not using Stealth ROM you have slightly more memory for programs that use expanded or extended memory. A good rule of thumb is to let Optimize decide whether you need Stealth ROM. If Optimize does not suggest Stealth testing, you do not need Stealth ROM. There is one exception. We recommend you use Stealth if you use DESQview or DESQview/X (see below). Also, there are a few machines that are incompatible with Stealth ROM; Optimize attempts to detect incompatibitiles during Stealth testing and will not enable Stealth ROM on machines that it finds are incompatible. DESQview and DESQview/X can use the additional High RAM provided by Stealth ROM. So if you regularly use DESQview or DESQview/X, we recommend you use Stealth ROM, even if Optimize did not recommend it. To find out if you are using Stealth ROM, type QEMM at the DOS prompt. QEMM will display some status information. If you see information about the "Stealth type," Stealth ROM is already enabled. If not, you can have Optimize perform Stealth ROM testing by typing OPTIMIZE /ST. QEMM's OPTIMIZE PROGRAM Optimize is a program that determines how to load TSRs, device drivers and selected parts of DOS into upper memory. Optimize analyzes the memory requirements of device drivers and TSRs that you are loading from CONFIG.SYS and AUTOEXEC.BAT and any batch files called by AUTOEXEC.BAT. Then, Optimize determines the most efficient way to load items into High RAM by testing all possible locations. There may be millions of possibilities. The object is to free up as much conventional memory as possible for your DOS programs. If you are using QEMM's DOS-Up feature, Optimize also experiments with different ways of loading parts of DOS into upper memory. When you install QEMM, INSTALL offers to run Optimize. You should run Optimize again if you add new hardware devices or modify your AUTOEXEC.BAT or CONFIG.SYS files. Optimize must reboot your machine two or more times to complete its testing. Optimize changes the lines that load device drivers and TSRs by adding a LOADHI command to the beginning of those lines. For example, a device driver line that looks like this: DEVICE=C:\DOS\SETVER.EXE would look something like this after Optimize has done its work: DEVICE=C:\QEMM\LOADHI.SYS /R:1 C:\DOS\SETVER.EXE A TSR line in AUTOEXEC.BAT that looks like this: C:\DOS\SMARTDRV.EXE would look something like this after running Optimize: C:\QEMM\LOADHI /R:2 C:\DOS\SMARTDRV.EXE For detailed information on Optimize, see Chapter 3 of the QEMM Reference Manual. For information on the LOADHI command, see Chapter 8. UNDOING AN OPTIMIZE When you run QEMM's Optimize program, modifications are made to your CONFIG.SYS and AUTOEXEC.BAT files and any batch file called by AUTOEXEC.BAT. If for some reason you want to restore these files to their pre- optimized states, type UNOPT at the DOS prompt. The files will be restored to the state they were in before you last ran Optimize. To see a list of the ten most recent configurations that have been modified by QEMM programs, type OPTIMIZE /RESTORE at the DOS prompt. You can then select which configuration you would like Optimize to restore. The list will always contain the oldest configuration saved by a QEMM program, even if QEMM has made more than ten changes to your configuration. QEMM's MANIFEST PROGRAM Manifest is a powerful system reporting program that is automatically installed on your hard drive when you install QEMM. While Manifest can be extremely useful when troubleshooting a problem, it is much more than a diagnostic tool. Whether you are new to computers or a power user with years of DOS experience under your belt, Manifest will help you take full advantage of the memory that is installed in your computer. To run Manifest, just type MFT at the DOS prompt. At your own pace explore the world of memory as it relates to your own PC. Press F1 anytime for context-sensitive online help. VIDRAM: EXTENDING MEMORY FOR TEXT-BASED PROGRAMS QEMM's VIDRAM program can extend conventional memory by as much as 96K for running DOS text-based programs. VIDRAM even extends conventional memory for DOS text programs running in Microsoft Windows. To use VIDRAM, your system must have an EGA or VGA video adapter or an adapter with EGA or VGA capability (this includes VGA- compatible 8514A video adapters). Your PC must have 640K of conventional memory and the programs that you run while using VIDRAM must not use EGA or VGA graphics. If your PC has an EGA or VGA video adapter, the 64K memory area just above conventional memory (640K-704K or A000-AFFF hex) is reserved for use by graphics modes. When you run text-based programs, that area is unused, so VIDRAM can appropriate it to extend the contiguous conventional memory for running programs. It is important to understand that you cannot run EGA or VGA graphics operations while VIDRAM is in use. If you routinely use both large text-based programs and graphics programs, you can turn the VIDRAM feature on when you need it for a text program and off before you run a graphics program. If you are using an 8514A adapter, you can still use 8514 graphics programs while VIDRAM is enabled. To turn VIDRAM on type VIDRAM ON at the DOS prompt. This command will extend conventional memory into the EGA/VGA graphics area for a total of 704K conventional memory. To turn VIDRAM off so you can use graphics programs again, type VIDRAM OFF. For more information on VIDRAM, including using VIDRAM with Microsoft Windows, DESQview, and DESQview/X, and extending conventional memory an additional 32K, see Chapter 6 of the QEMM Reference Manual. FREEING ADDITIONAL CONVENTIONAL MEMORY If you use DOS text-based programs, you can extend conventional memory by as much as 96K by using QEMM's VIDRAM feature. For information on VIDRAM, see Chapter 6 of the QEMM Reference Manual. The Manifest program may be able to tell you how to free up a bit more conventional memory. Run Manifest by typing MFT at the DOS prompt. When Manifest displays, type H to select Hints, and read the suggestions Manifest offers. If you do not use any programs that require DPMI (DOS Protected Mode Interface) memory, you can free up 1-2K by deleting the QDPMI.SYS device driver line from your CONFIG.SYS file. QEMM's NEW PARAMETER NAMES If you have upgraded from QEMM 6 or earlier, be aware that many of the old parameters have new names. You can still use the older parameter names if you like. Below is a list of the old parameter names, cross-referenced with the parameters' new names. Some parameters have abbreviations which are listed in parentheses. Old Name New Name COMPAQ386S (C386S) COMPAQ386S:Y (C386S) COMPAQEGAROM (CER) COMPAQEGAROM:Y (CER) COMPAQHALFROM (CHR) COMPAQHALFROM:Y (CHR) COMPAQROMMEMORY (CRM) COMPAQROMMEMORY:Y (CRM) DONTUSEXMS (DUX) USEXMS:N DOS4 (D4) DOS4:Y (D4) FORCEEMS (FEMS) FORCEEMS:Y (FEMS) FORCESTEALTHCOPY (FSTC) FORCESTEALTHCOPY:Y (FSTC) IGNOREA20 (IA) TRAP8042:Y (T8) (default has changed) LOCKDMA (LD) LOCKDMA:Y (LD) NOCOMPAQFEATURES (NCF) COMPAQFEATURES:N (CF) NOEMS EMS:N NOFILL (NO) FILL:N NOHMA HMA:N NOPAUSEONERROR (NOPE) PAUSEONERROR:Y (PE) NOROM (NR) MAPREBOOT:N (MR) NOROMHOLES (NRH) ROMHOLES:N (RH) NOSHADOWRAM (NOSH) SHADOWRAM:NONE (SH) NOTOKENRING (NTR) TOKENRING:N (TR) NOTOPMEMORY (NT) TOPMEMORY:N (TM) NOVDS VDS:N NOVIDEOFILL (NV) VIDEOFILL:N (VF) NOVIDEORAM (NVR) VIDEORAM:N (VR) NOWINDOWS3 (NW3) WINDOWS3:N (W3) NOXBDA (NX) XBDA:N NOXMS XMS:N OLDDV (ODV) OLDDV:Y (ODV) UNUSUALEXT (UX) UNUSUALEXT:Y (UX) BOOTING YOUR SYSTEM WITHOUT QEMM If you want to boot your PC without QEMM's memory management, first reset your system. Use the power switch if necessary. When you hear a beep, hold down the Alt key until the boot sequence stops. If you are using QEMM's DOS-Up feature, you will see a message asking if you want to unload the DOSDATA device driver; press Esc to unload it, then immediately press and hold down Alt again until you see: "QEMM: Press ESC to unload QEMM or any other key to continue with QEMM." Press the Esc key. QEMM will not load, so programs will not load into High RAM, but your system will be usable. CONTACTING QUARTERDECK's TECHNICAL SUPPORT DEPARTMENT As a registered owner of QEMM, you are entitled to 90 days of prepaid technical support. You can receive support by fax, mail, or phone. If you have a modem, you can get support through Quarterdeck's BBS, or through several other public message forums. Your 90 days of prepaid support starts with your first call, letter, fax, or online communication in reference to QEMM. Before contacting technical support, we encourage you to see Appendix A of the QEMM Reference Manual for troubleshooting information, and Appendix B for a list of technical bulletins (technotes) included with QEMM. You can view technotes with QEMM Setup by selecting the technotes option at the main menu. The troubleshooting guide and the technotes give step-by-step solutions to several common problems users may experience after installing QEMM. Also, be sure to see the file READ.ME in the \QEMM directory for late-breaking information. You can also view the READ.ME file with QEMM Setup by selecting the technotes option at the main menu. For information on contacting technical support see the Passport booklet included with QEMM or read the text file CONTACT.TEC located in the \QEMM\TECHNOTE directory. To read that file, view it in a text editor such as EDIT, provided with DOS 5 and 6, or load it into your word processor as an ASCII file. Quarterdeck also offers extended support, priority support and corporate support plans. See the Passport booklet for information. SWITCHING BETWEEN MS-DOS 6's MEMORY MANAGER and QEMM QEMM provides all the functionality of MS-DOS 6's memory manager, and much more. For a list of QEMM's features and how they stack up against DOS 6's memory manager, see "QEMM Benefits and Features" in Chapter 1 of the QEMM Reference Manual. If you are using MS-DOS 6 and you have run its MemMaker memory utility, you can switch back to QEMM by running QEMM's Optimize program (assuming you have already installed QEMM on your hard disk). To run Optimize, type OPTIMIZE at the DOS prompt. If you ever want to switch back to MS-DOS's memory manager, simply run MemMaker again. If you are using QEMM's DOS-Up feature, be sure to run QSETUP and disable DOS-Up before you run MemMaker. If you are using QEMM's Stealth D*Space feature and you decide to switch back to MS-DOS 6's memory manager, the ST-DSPC.SYS driver will perform the same function as DOS's DBLSPACE.SYS /MOVE or DRVSPACE.SYS /MOVE. That is, it will allow DBLSPACE.BIN or DRVSPACE.BIN to be moved into upper memory. You can replace ST-DSPC.SYS with DBLSPACE.SYS or DRVSPACE.SYS, but you will suffer no ill effects if you do not.