DFI MegaLITH Plus, User Manual

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Page 3: ...nt to Part 15 of FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential installa tion This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarant...

Page 4: ...D CONFIGURATION SETIINGS 3 1 JUMPER SETIINGS 3 2 SW1 DEFAULT SETIING 3 3 SW2 DEFAULT SETIING 3 7 SW3 DEFAULT SETIING 3 10 MEMORY INSTALLATION 3 11 TYPES OF MODULES 3 11 HOW TO INSTALL THE MODULES 3 11 WHERE TO INSTALL THE MODULES 3 12 BOARD INSTALLATION 3 13 BACKING UP THE MegaLITH PLUS SOFTWARE DISK 3 13 INSTALLING THE MegaLITH PLUS 3 14 SOFTWARE INSTALLATION 4 1 DESCRIPTION 4 1 USING EXPANDED ME...

Page 5: ...LITH PLUS BOARD LAYOUT 3 2 FIGURE 3 2 SW1 DEFAULT SETTING 3 3 APPENDIX A LINEAR MEMORY MODE A 1 FIGURE 3 3 SW2 DEFAULT SETTING 3 7 FIGURE 3 4 SW3 DEFAULT SETTING 3 10 APPENDIX B MegaLITH PLUS MEMORY IMPLEMENTATION B 1 FIGURE 3 5 BANK LOCATIONS ON THE MegaLITH PLUS 3 12 FIGURE 3 6 REMOVING THE SYSTEM COVER 3 15 FIGURE 3 7 MegaLITH PLUS INSTALLATION 3 15 FIGURE B 1 MegaLITH PLUS MEMORY IMPLEMENTATIO...

Page 6: ...he MegaLITH PLUS s EMS memory is hardware EMS EMS page registers are built into the hardware so EMS functions are performed quickly Setting up the board is easy Most switch settings are made using DIP switches that are almost self explanatory If you need to set up many boards you will probably be able to set them up without even using the manual once you ve learned the switch functions The MegaLIT...

Page 7: ...e for software packages such as Microsoft Windows 3 0 and Quarterdeck DESOview Rev 2 31 The MegaLITH PLUS EMS device driver software lets you choose from five EMS page frame base addresses This feature lets you work around address conflicts when other boards are installed that access the same memory address 1 2 INTRODUCTION FEATURES AND SPECIFICATIONS HARDWARE 8192 8MB of conventional extended and...

Page 8: ... to the Lotus Intel Microsoft LIM Expanded Memory Specifica tion is referred to as EMS memory Enhanced Expanded Memory Specification EEMS is asuperset of EMS memory CONVENTIONAL MEMORY Conventional memory refers to DOS memory below 640K Generally programs must fit into conventional memory to run although some programs use extended or EMS memory to store data files The 640K conventional memory size...

Page 9: ...Oh TABLE 2 1 ADDRESS FOR THE 1MB MEMORY MAP 2 2 TYPES OF MEMORY AN OVERVIEW Reserved memory in Figure 2 1 is divided into the following areas ROM BIOS area the part of DOS that is built into every PC and manages the hardware basics such as reading the keyboard driving the printer and displaying information on the screen Screen Buffer on Video Display RAM the area that stores the information that a...

Page 10: ...ets up a 64K contiguous page frame In the 768K 896K COOOO DFFFF in hex memory Four of t es pages can be mapped into the 64K page frame When the application program needs to access data stored in EMS memory it finds which page the data is located then moves the needed page into the base frame The previous page is swapped out of the page frame and moved back into the EMS board 2 4 TYPES OF MEMORY AN...

Page 11: ...rd to your system It is divided into three main sections Section 1details the board configuration settings Section 2 describes memory installation and section 3 illustrates the installation of the board into your system If you will be using the MegaLITH PLUS for linear memory you need to know how much conventional and extended memory your system currently has Run your system s configuration setup ...

Page 12: ...T SETTING Figure 3 2 shows the default setting for SW1 SW1 8 is used to set the board for parity check enable disable Switches SW1 1 to SW1 7 are set according to the number of memory you have onboard The default setting for the MegaLITH PLUS board is SW1 8 ON parity enable Listed below is a summary of switch settings for conven tional extended memory already installed onboard Note Leave SW1 8 ON ...

Page 13: ...F ON 7 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Linear Memory on System KB 7296 7424 7552 7680 7808 7936 8064 8192 9344 9472 9600 9728 9856 9984 10112 10240 OFF OFF OFF OFF OFF OFF OFF OFF 2 OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON ON SW1 3 4 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF OFF ON 5 ON ON ON OF...

Page 14: ...for SW2 ConventionaV Extended Memory 1 2 3 4 5 6 128 ON ON ON ON ON ON 256 ON ON ON ON ON OFF 14464 OFF OFF OFF ON ON OFF ON 14592 OFF OFF OFF ON ON ON OFF 14720 OFF OFF OFF ON ON OFF OFF 14848 OFF OFF OFF ON OFF ON ON 14976 OFF OFF OFF ON OFF ON OFF 15104 OFF OFF OFF ON OFF OFF ON 15232 OFF OFF OFF ON OFF OFF OFF 15360 OFF OFF OFF OFF ON ON ON 384 ON ON ON ON OFF ON 512 ON ON ON ON OFF OFF 640 ON...

Page 15: ...ON OFF OFF ON OFF OFF OFF OFF ON OFF OFF OFF OFF 3 8 HARDWARE INSTALLATION I MegaLITH PLUS Reserved for ConventionaV Extended Memory 6272 6400 6528 6656 6784 6912 7040 7168 7296 7424 7552 7680 7808 7936 8064 8192 1 2 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF SW2 3 4 5 6 ON ON ON ON ON ON ON OFF ON ON OFF ON ON ON...

Page 16: ...INGS 3 10 HARDWARE INSTALLATION MEMORY INSTALLATION TYPES OF MODULES To install the maximum 8192K 8MB of memory on the MegaLITH PLUS memory expansion board you will need 8 pieces of 1Mx 9 SIM modules The chips must all be rated at a maximum access time of 70 to 120 nanoseconds ns The following SIM modules have been tested good with the MegaLITH PLUS board Most other brands will work with this boar...

Page 17: ...es the bank locations and number of SIM modules needed for the corresponding memory sizes MEMORY 256KX8 OR BANK 1MX8 OR BANK SIZE 256KX9 SELECTION 1MX9 SELECTION SIMM SIMM 512K 2 pes BANK 1M 4 pes BANK 0 1 1 5M 6 pes BANK 0 1 2 2M Bpes BANK 0 1 2 3 2 pes BANK 4M 4 pes BANK 0 1 6M 6 pes BANK 0 1 2 BM B pes BANK 0 1 2 3 Use only either 256Kor 1M memory configuration and not both Note Use DRAM chips ...

Page 18: ...E file using the TYPE command under DOS and read the information carefully After reading the READ ME file type INSTALL at the DOS prompt to begin installation The program will guide you through a series of questions and instruct you on the proper installation of the board Additional details on the MegaLITH PLUS utility program disk are found on the next chapter 3 14 HARDWARE INSTALLATION The steps...

Page 19: ...tates the setting of the DIP switches on the MegaLITH PLUS memory expansion board It also automatically creates or modifies the CONFIG SYS and the AUTOEXEC BAT to facilitate the installation of the MegaLITH PLUS s drivers and utili ties To use the program follow the instructions prompted on the screen 2 MegaLlTH SYS MegaLlTH SYS is a device driver conforming to EMS version 4 0 You must tell DOS to...

Page 20: ...expanded memory If you are using the MegaLITH PLUS for EMS memory the MegaLlTH SYS expanded memory manager EMM must be installed Up to four MegaLITH PLUS cards with 32MB of expanded memory can be installed using the MegaLlTH SYS driver To install the EMM use an ASCII text editor to either create or modify the CONFIG SYS file This file must be in the root directory of the boot disk The boot disk is...

Page 21: ...ed in EMS mapping cccc is the starting segment address of the range and dddd the ending This option is useful if you want the EMS driver to use unused video area For example if there is a Hercules graphics adapter on your system the memory area between AOOOO and AFFFF is not used at all parameter 1 AOOO AFFF would then tell the EMS driver to use the area for mapping IT tttt specifies an area of ex...

Page 22: ...Memory Manager This message indicates EMS memory was not installed A large variety of reasons could account for this error Check the follow ing 1 Are two MegaLITH PLUS cards or other cards using the same I O port address 2 Are all memory modules properly installed 3 Try booting the system with the motherboard s expansion bus running at a slower speed 4 Try changing the memory modules especially if...

Page 23: ...ual disk for your system Normally you should do this only once after setting up your PC 4 8 SOFTWARE INSTALLATION EMSDISK SYS CMMDISK SYS and EXMDISK SYS are device drivers for virtual disks using EMS and conventional memory and extended memory respectively The EMSDISK SYS or CMMDISK SYS com mand line must be inserted into the CONFIG SYS file This configura tion file tells DOS to install the RAM d...

Page 24: ...fy the amount of memory you want to allocate as buffer for the printer The AUTOEXEC BAT file will auto matically be updated by the INSTALL program Reboot the system to activate PSPOOLA spooler 4 10 SOFTWARE INSTALLATION PSPOOUPSPOOLA PARAMETER SPECIFICATIONS The PSPOOL A commands included in the AUTOEXEC BAT file are only a small subset of all the available parameters Many additional installation ...

Page 25: ...ill be lost and data output can be restarted by using the IC or IR option Continues output of print data Continues output of print data at the beginning of the current page 4 12 SOFTWARE INSTALLATION I Immediately purges all data from the queue ION Turns on serial port handshake line protocol options IOFF P Turns off serial printer port handshake line protocol options The handshake line protocol o...

Page 26: ...ering the following com mand A COpy A XYZ LST LPT1 At this point you can resume work on your computer while PSPOOL is printing out the specified data files PSPOOUPSPOOLA ERROR MESSAGES PSPOOUPSPOOLA error messages are described below 1 PRINTER NOT AVAILABLE No such printer port in the system or the printer is not on line 4 14 SOFTWARE INSTALLATION 2 INVALID PARAMETER SPECIFIED This indicates that ...

Page 27: ...rrect or the system speed is too fast A 1 APPENDIX A APPENDIX B MEGALITH PLUS MEMORYIMPLEMENTATION More page frames in 811 other unsed t6KS block g f es must be cont iguous More page frames in all other ununsed t6KS block CONVENTIONAL 64 PAGE EXPANDED MEMORY REGISTERS MEMORY to i fm i 1 rl 1 i IA L I II I 1 I D I I 1 41 tIS j T Pago trame B 1 1 In Segment A Hthero I no EGA Page frames In user memo...

Page 28: ...t memory board that provides a t tal Qf 8MB of e 6ry using SIM Modules Memory can be alr expanded aU conventionaVexfend ed or a cOmbination of both types of memory Wprks With DoS No vell OS 2 XENLX DESQvie Concurrent DOS XM and other operating systems ...