MICRO COMPUTER SPECIALISTS, INC.
Contents
1. The first step is to configure your computer for the type and number of physical floppy and fixed disk drives installed This is done by running the CMOS Setup program supplied with your computer To install PROMDISK as a bootable drive C be sure that you have selected NONE or NOT INSTALLED for fixed disk drive 1 5 2 INSTALLING PROMDISK IN YOUR SYSTEM To install PROMDISK in your target system the following steps should be followed 1 Remove power from your target system and unplug the AC power cord from the DC power supply 2 Remove cover if applicable and locate an empty I O card slot 3 Install the PROMDISK board in any one of the unused I O expansion slots in your computer 4 Replace cover if applicable 5 Apply AC power to power supply 6 Apply power and boot system After power is turned on to your target system you will see the PROMDISK VI CardTrick sign on message and then the system will boot to ROM DOS APPENDIX A SPECIFICATIONS This appendix lists the specifications for the PROMDISK Disk Emulator board PROMDISK DISK EMULATOR SPECIFICATIONS Memory 64M bytes total Maximum Disk Emulator Emulates fixed disk drive BIOS 0 Bus DMA NotUsed Timers NotUsed Interrupts NotUsed 1 0 Ports NotUsed Size Half size XT board 5 15 L X 4 2 H 5VDC 0 0804 12VDC 0 0604 used for programming BIOS extension ROM APPENDIX B SIZE SPECIFICATIONS This appendix lists the2. command The DOS format utility should not be used to restore the operating system To change the operating system version or type you should simply use the equivalent DOS SYS command to transfer the operating system 4 2 PROMDISK LOW LEVEL FORMAT The Flash memory contained on the PROMDISK VI board was initialized with the Datalight CardTrick low level format at the factory During normal operation the Flash memory should never require reformatting unless there is a serious hardware or software malfunction In the event it has been determined that the low level format is corrupted proceed as follows 1 At the DOS prompt run the PROMDISK VI low level format utility PD6FMT EXE located on the distribution diskette 2 Install a bootable floppy diskette in drive A and boot the system 3 At the DOS prompt type SYS C to transfer a bootable copy of ROM DOS to PROMDISK VI 4 Remove the floppy diskette from drive A and reboot the system from PROMDISK VI CAUTION Do Not use the DOS Format or Fdisk utilities on the PROMDISK VI board SECTION 5 PROMDISK INSTALLATION This section describes the procedures for installing the PROMDISK Disk Emulator board into your system The PROMDISK Disk Emulator board was preconfigured at the factory with the ROM DOS Operating System prior to shipment Be sure to check the configuration jumper setting closely before installing the board into your computer system 5 1 SEMNG UP YOUR SYSTEM FOR PROM DISK
3. is a registered trademark of Microsoft Corporation INTEL amp FLASH are registered trademarks of Intel Corporation CardTrick is a trademark of Datalight Corporation Datalight is a registered trademark of Roy L Sherrill II VBF is a trademark of Datalight Corporation All other trademarks are the properties of their respective holders PREFACE This manual provides information about the MCSI PROMDISK VI Disk Emulator Board and related software utility programs This information is intended for users who must implement IBM PC AT compatible computer solutions to a wide variety of applications which cannot be satisfied using conventional desktop computers This manual assumes that the reader has a good understanding of MS DOS and the standard IBM PC AT compatible architecture For more information on the IBM PC compatible hardware and software architecture refer to any of the many books available on the subject A few suggestions are listed below Advanced MS DOS Programming Microsoft Press eProgrammers Guide to the IBM PC Microsoft Press eUndocumented DOS Addison Wesley INVENTO RY C HEC KLIST The complete PROMDISK VI Disk Emulator package consists of the following PROMDISK VI Disk Emulator Board This Manual One 3 Y Diskette containing PROMDISK VI Software Utilities ROM DOS Operating System and Software Utilities If any of the above is missing or appears to be damaged inform MCSI immediately Note that for quantity shipme
4. PROMDISK VI Disk Emulator User s Manual For MCSI PART NO 717XX Solid State Disk Emulator Board For Industrial Embedded System Applications MICRO COMPUTER SPECIALISTS INC The Embedded PC Specialists 2598 Fortune Way Vista CA 92083 U S A Voice 760 598 2177 Fax 760 598 2450 Technical Support BBS 760 598 2179 First Edition November 1996 Revision 2 1 Changes are made periodically to the information contained herein these changes will be incorporated into new editions of this document Requests for copies of this publication or the product s which it describes should be made to MCSI While every effort has been made to insure that this document and its accompanying product s are free from defects MCSI its distributors representatives and employees shall not be responsible for any loss of profit or any other commercial damage including but not limited to special incidental consequential or other damages occasioned by the use of this product s In the event of defect the buyer s sole recourse is to receive a refund or replacement unit at MCSI s discretion if notified within the time period covered by the product warranty 1996 MCSI Micro Computer Specialists Inc All Rights Reserved PROMDISK is a registered trademark of MCSI IBM is a registered trademark of International Business Machines Corporation PC XT amp PC AT are registered trademarks of International Business Machines Corporation MS DOS
5. PROMDISK VI board as the last logical fixed disk drive in the system E1 OFF If there is no fixed disk drives setup in CMOS PROMDISK loads as a bootable drive C Installing the Enable First jumper El causes the PROMDISK VI board to always install itself as drive C and automatically reassigns the physical drives without any changes to your present fixed disk CMOS settings Table 3 3 ENABLE FIRST JUMPER El Description ei PROMDISK Installs as first fixed drive ON Note Shaded area indicates default setting 3 4 WRITE PROTECT FEATURE PROMDISK includes an on board hardware write protect feature Setting the write protect jumper E5 to the write protect mode ensures that data on the PROMDISK can not be altered The write protect jumper settings are shown in Table 3 4 below Table 3 4 WRITE PROTECT JUMPER E5 __Description 65 Write Protect Note Shaded area indicates default setting SECTION 4 USING PROMDISK The PROMDISK VI Disk Emulator Board operates as a Read Write fixed disk drive The paragraphs that follow describe how to use PROMDISK 4 1 USING ROM DOS AND OTHER DISK OPERATING SYSTEMS The PROMDISK VI board has been preconfigured at the factory with the latest version of the Datalight ROM DOS disk operating system In addition a current copy of the operating system is supplied on a floppy diskette If the operating system is accidentally erased from the PROMDISK it may be restored using the SYS
6. can become part of a target system without requiring a disk Many times a physical disk will not operate in the environment in which the target machine is to be placed Also the added cost of a disk controller disk and other associated equipment increase the cost of the target machine Development time can be reduced by creating an environment in which programs can be developed and tested on standard PCs utilizing your DOS system utilities What happens if a disk cannot be part of the target system DOS will not operate because the operating environment is changed between the development system and the target system MCSI has a total solution for this problem the MCSI PROMDISK VI Disk Emulator Board PROMDISK can emulate Read Write fixed disk drives with capacities ranging from 8M to 64M bytes This means that a program developed utilizing DOS on any PC Compatible will run without a disk in a target application system In addition you can also use PROMDISK with other physical drives in the system Therefore DOS can boot from a PROMDISK drive C and read the application code from a physical disk in the system creating a flexible development environment 1 1 FEATURES A complete list of features is listed below e IBM PC XT AT Compatible e All New Variable Block Flash File System e Includes ROMDOS Disk Operating System e Capacity up to 64M bytes e Emulates Read Write Fixed Disk Drives e Use SMT Nand Flash Memory for Ultra High Reliabili
7. ead and write to the PROMDISK VI as if it were a standard disk drive Files can be opened read written and erased as you would do on a normal disk 2 1 PROMDISK MEMORY The PROMDISK disk memory can support up to 16 NAND Flash SMT surface mount technology memory chips organized as 2Mx8 or 4Mx8 The SMT technology provides reliable operation in very harsh environments The PROMDISK VI board is offered in sizes ranging from 8M bytes to 64M bytes The standard sizes stocked at the factory are 8M 16M 24M 32M and 64M bytes Other sizes are available as a Custom Order 2 2 PROMDISK POWER REQUIREMENTS The PROMDISK board is implemented using CMOS technology for low power consumption and is powered from the 5VDC I O expansion bus power supply The power requirements for the PROMDISK VI board are shown in Table 2 2 below Table 2 2 PROMDISK VI BOARD POWER REQUIREMENTS Voltage Tolerance Operating Writing Standby 5VDC 12VDC Used only for updating BIOS extension firmware not used during normal operation y p S g p SECTION 3 PROMDISK HARDWARE SETUP 3 1 SEMNG THE ROM SCAN ADDRESS The PROMDISK VI Disk Emulator board is controlled by an on board control program which must be located in the ROM SCAN address space of an IBM PC XT AT compatible computer The control firmware is contained in 32K byte Flash EPROM located at U2 The absolute address is selected by configuration jumper E4 The address selections and jump
8. er settings are shown in Table 3 1 below Table 3 1 ROM SCAN ADDRESS E4 ADDRESS E4 D800H D400H CCOOH C800H Note Shaded area indicates default setting Care must be taken when selecting the ROM Scan address You must be sure that no other device occupies the selected address space Be aware that some systems have shadow memory and or extended memory addressed at DO00H through D800H In light of this be sure to disable these functions if they conflict with the PROMDISK address you have chosen or select another starting address Also when using EMM386 EXE or other memory drivers be sure to exclude the address block used by PROMDISK 3 2 SETTING THE I O ADDRESS The PROMDISK VI memory array uses two I O addresses for commands and data transfers The I O address is selected by configuration jumper E3 The address selections and jumper settings are shown in Table 3 2 below Table 3 2 I O ADDRESS E3 ADDRESS E3 330H 320H 300H 230H Note Shaded area indicates default setting Care must be taken when selecting the I O address You must be sure that no other device occupies the selected I O address space Be aware that some network and audio boards use I O addresses similar to PROMDISK VI In light of this be sure to disable these functions if they conflict with the PROMDISK address you have chosen or select another I O address 3 3 CONFIGURING THE DRIVES The on board control ROM automatically installs the
9. nts only one copy of this manual and one diskette is included unless otherwise requested Table of Contents Section 1 Introduction 1 1 Ee turescen RN ass see Section 2 General Description 21 PROMDISK Memory eena PoE n na AeA U NEL RIE DR SER Risen 2 2 PROMDISK Power Requirement ccccccccccccccesceecescseneesenensnecsetecsesenscsecasecsessnsessnecsessssnsenseeeees Section 3 PROMDISK Hardware Setup 3 1 Setting the ROM SCAN Addressa lassiete e an ene aneres e AA Seres Ra aee NeT aane 3 2 Setting the I O Address geheien a E Ei eE aA eE REEE aea or I a 33 Configuring the Devesa id na 3 4 Write Proteet Feature inrita a En len ein Toda e Moa a ten Seda engen Buds dM Mandar os Section 4 Using PROMDISK 4 1 Using ROM DOS and Other Disk Operating Systems nenseneenenennennennnnnennnnennennn 4 2 PROMDISK Low Level ForMat o oococoocononconnnencnnnnoncnnenonnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnananannn cinco Section 5 PROMDISK Installation 5 1 Setting Up Your System for PROMDISS ita atado ds 5 2 Installing PROMDISK in Your System s oriri a e ee i E ee e S Appendix A Specifications Appendix B Size Specifications Appendix C Board Outline SECTION 1 INTRODUCTION With the advent of IBM PC compatible boards for creating dedicated systems there exists a need to provide a method by which a DOS MS DOS PC DOS ROM DOS QNX Embedded DOS etc application program
10. size specifications for the various PROMDISK VI Disk Emulator boards formatted with ROM DOS 6 22 Disk Operating System Size Bytes 24MB 23 339 008 32MB 31 219 712 64MB 62 846 976 Note Free space is approximate and may vary slightly with different versions of ROM DOS and or CardTrick APPENDIX C BOARD OUTLINE
11. ty e Occupies Only 16K of Memory Address Space e Passive Backplane Architecture e Ideally Suited for DISKLESS Applications e Low Power CMOS Design e Standard Half Size XT Plug in Board SECTION 2 GENERAL DESCRIPTION The PROMDISK Disk Emulator is a unique memory board designed to emulate DOS compatible disk drives for use in IBM PC XT AT compatible computers as a replacement for a hard disk drive It includes an on board BIOS extension that occupies only 16K bytes of address space within the ROM Adapter address space and is selectable from address segment C800H through D800H on 400H boundaries Two I O addresses are used for the Flash Memory data port and command register The I O address is jumper selectable for I O address 230H 300H 310H 320H or 330H The on board BIOS extension includes the Datalight CardTrick VBF integrated Flash File System and boot utilities The CardTrick Variable Block Flash VBF File System gives MS DOS compatible operating systems the ability to treat PROMDISK VI as non volatile Read Write disk drive This means that you can list directories copy files and read and write the Flash memory on PROMDISK VI through standard DOS interrupts and commands PROMDISK VI provides the system designer with a much simpler and more versatile mechanism of reading and writing data Instead of performing a bulk erase and copy as you would do with traditional EPROMs this new system lets your high level application software r
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