WO2005106674A1 - Storage system for a gaming machine - Google Patents
Storage system for a gaming machine Download PDFInfo
- Publication number
- WO2005106674A1 WO2005106674A1 PCT/AU2005/000597 AU2005000597W WO2005106674A1 WO 2005106674 A1 WO2005106674 A1 WO 2005106674A1 AU 2005000597 W AU2005000597 W AU 2005000597W WO 2005106674 A1 WO2005106674 A1 WO 2005106674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- medium
- storage medium
- gaming machine
- formatting
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
Definitions
- the present invention relates to a data storage system for gaming machines and, more particularly to a system and method for securing digital dat coded for the operation of such machines.
- BACKGROUND Gaming or poker machines have become a major source of amusement and diversion, in such places as clubs, hotels and casinos in many parts of the world.
- Such machines were mechanical devices where a number of reels marked with a plurality of numbers or symbols . could be made to spin randomly by the application of some mechanical input. If the subsequent patterns of numbers or symbols displayed on the reels, when these returned to a rest state, corresponded to predetermined patterns, the machine would provide a prize or payout.
- gaming machines have come to- be regulated by government authorities as to their number and in the manner in which the machines must return a percentage of the monetary turnover to the players.
- the introduction of electronics, computers and electronic graphical displays has allowed a continual increase in this complexity and variations of gaming machines and games while maintaining the basic concept of the traditional machine.
- a system for storage of game enahling data for electronic gaming machines including a data storage medium prepared with formatting adapted to prevent unauthorized use or copying.
- a method of securing a digital storage medium against unauthorized copying,- comprising moving a boot sector of said medium from a first predetermined location on said medium to a second pre-determined location in said medium.
- said method further includes storing in a controller to which said medium is to be connected the location of said second predetermined location thereby to allow said controller to access data stored on said medium.
- a digital storage medium for storing game enabling data for an electronic gaming machine, said medium having at least a first boot sector and a second boot sector; said second boot sector located separately from said first boot sector,- said first boot sector disabled for a predetermined application and said second boot sector enabled for said predetermined application.
- said second predetermined location is located within a contents portion of said medium.
- said data storage medium is adapted for connection to control modules of selected ones of said gaming machines. .
- said data storage medium is a Compact Flash card.
- said data storage medium is a PCMCIA card.
- said formatting includes locating boot sector data according to a formatting protocol specific to a manuf cturer of said gaming machines .
- said formatting protocol is specific to said selected ones of said gaming machines.
- said formatting protocol is specific to a game played on said gaming machines.
- said control module includes an EPROM adapted to access data on said data storage medium in accordance with said formatting protocol .
- said boot sector location ie other than a first data sector of said data storage medium.
- said electronic gaming machines are slot machines for the playing of games of. chance for money.
- said game enabling data includes video imaging data for display on said, gaming machine display means .
- a method for securing against unauthorised use or copying game enabling data for a gaming machine including the steps of: (a) preparing a data storage medium formatting protocol for specific use in selected ones of a manufacturer's ' gaming machines, (b) formatti said data storage medium according to said formatting protocol, (c) providing control means for said gaming machines including an EPRO storing said ' formatting protocol, (d) writing game enabling data to said data storage medium according to said formatting protocol.
- sai data storage medium is a Compact Flash card.
- s id data storage medium is a PCMCIA card.
- said formatting includes locating a boot sector of said data storage medium in a data sector other than a first data sector.
- a gaming machine incorporating game enabling data stored on a removable medium; said removable medium in electronic communication with a game controller of said gaming machine thereby to communicate instructions as to operation of said gaming machine to said controller; said removable medium incorporating a first predetermined location and a second predetermined location.
- said first predetermined location contains boot sector information available to a plurality of third parties .
- said second predetermined location contains boot sector information which is proprietary to the manuf cture of sai gaming machin .
- said boot sector information comprises a look up table.
- said medium includes an onboard controller for directing storage of data via said look up table.
- Figure 1 is schematic representation of a gaming machine incorporating a preferred embodiment of a storage system according to the invention.
- Figure 2 is a flow diagram of the preparation of data for the storage system of figure 1.
- Fig. 3A shows a medium before application of an embodiment of the present invention
- Fig. 3B shows the medium of Fig 3A after application of method of the method of preferred embodiment of the present invention
- Fig. 3C illustrates a file access table suitable for use with the medium of figs. 3A, 3B, and Fig.
- FIG. 4 illustrates diagrammatically the major components of a logic unit of a gaming machine in communication with a medium to which an embodiment of the present invention has been applied.
- DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS Typically an electronic gaming, machine may have as ' part of its control system a main board carrying a microprocessor unit an one or more EPROMs (Electronic Programmable Read Only Memory chips) which provide for those operation of the machine not directly associated with the display of a game.
- EPROMs Electrical Programmable Read Only Memory chips
- the machine will incorporate a data storage facility which may take a number of forms, including disc drives, which provides the specific graphical and, where appropriate, alphanumeric data for the display of the game offered on the machine.
- a convenient data storage medium for the storage of data as digital code for a game in an electronic gaming machine is a Co pa.ct Flash (CF) card or PCMCIA Card.
- Flash cards or PCMCIA cards are small solid state devices available in a number of sizes and data storage capacities .
- CF Co pa.ct Flash
- PCMCIA cards Personal Computer- Memory Card international Association
- a suitable microprocessor such as that of a personal computer. (PC) via a card reading device.
- PC personal computer.
- Data may likewise be written to the card by a microprocessor device such as a PC.
- the writing to, and retrieval from, a . data storage medium occurs according to a specific protocol or format and. ata storage media must be prepared or "formatted" for this purpose.
- cards are formatted during _ Q _ manufacture according to a proprietor ⁇ protocol such as for example FAT 2 or NTFS.
- Formatting of any digital data storage medium refers to the arrangement, or addresses, at which various types of data are located in the storage medium.
- a particular function of formatting is to allow an accessing microprocessor to "find" the boot sector (or index) of the storage medium.
- the boot sector, or at least the pointer to the boot sector, (the Master Book Record) is located in the irst data sector of the data storage medium; thus for hard drives it is the first sector of a logical drive, such as C or D, while on a floppy disk, it is located on side 0, cylinder 0, sector 1.
- a processor On start-up a processor will "look" for the boot sector or pointer at these locations. Processors which . expect to locate the boot sector or pointer at this first location will not be able to do so if a storage medium has been formatted i a non-standard way. Without access to the boot sector, no executable programs stored in the medium can be run and no data can be extracted.
- a preferred embodiment of the present invention includes a gaming machine 10 which is provided with a control module 20.
- Control module 20 includes a ' microprocessor unit 21 and one or more EPHOM chips 22. Also - _» -
- control module 20 is a docking port (not shown) for a Compact Flash or PCMCIA card 24.
- Card 24 at least contains all the data required for the playing of a game on. gaming machine 10 including the video imaging data for display means 25.
- the formatting of card 24 according to the invention is not by means of any publicly available proprietary protocol but according to a protocol or protocols specific to the manufacturer of the gaming machine. Thus a particular formatting protocol may be used by the manufacturer for all flash cards intended for the manufacturer's gaming machines or selected formatting protocols may be specific to particular games , or to a particular range of machines.
- a gaming machine prior to installation for use is provided with data written to one of its EPROM chips incorporating the formatting protocol. The method which may be employed is shown in the flow diagram of Figure 2.
- This protocol is compatible with that used in formatting the Flash or PCMCI card 24 intended to .be used for that machine.
- the gaming machine processor will "look" for the boot sector of the card 24 in the appropriate location according to the formatting protocol.
- the use of a card 24 in a non-compatible machine is prevented and the extracting of the game flash data from the card 24 and the writing of that data to commercially available flash cards for use in unauthorised machines is prevented.
- a medium 50 in this instance in the form of a compact flash (CF) card, in the instance of fig. 3A the medium 50 is formatted in accordance with a widely available format.
- CF compact flash
- the boot sector 51 of medium 50 which comprises a file access table 52 placed at a first predetermined location 53.
- the file access table contains pointers Pi, P2... to locations of data in the contents portion 5.4 o ' f medium 50.
- the card includes a basic controller 55 which orchestrates the population of the file access table as in when data is written to or read from the compact flash card.
- the contents portion 54 of medium 50 contains game enabling data comprising graphics and sound information used for providing graphical displays on display 25 of gaming machine 10.
- the medium 50 is rendered copy resistant by moving boot sector 51 at the first predetermined location to a second predetermined location 56 in contents portion 54.
- data in the first predetermined location 53 is erased or otherwise altered so that it no longer functions as a boot sector.
- the data in contents portion 54 can be read by a microprocessor 21 only if it is provided with information as to the second predetermined location 56. In this instance, as shown in fig. 4, this information as to the location of the second predetermined location 56 can be provided by storing the information at a memory location 56A within ROM 57.
- the data in contents portion 54 * can comprise code for the implementation of a game on gaming machine 10.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005238985A AU2005238985B2 (en) | 2004-04-30 | 2005-04-29 | Storage system for a gaming machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004902276A AU2004902276A0 (en) | 2004-04-30 | Storage system for a gaming machine | |
AU2004902276 | 2004-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005106674A1 true WO2005106674A1 (en) | 2005-11-10 |
Family
ID=35241848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2005/000597 WO2005106674A1 (en) | 2004-04-30 | 2005-04-29 | Storage system for a gaming machine |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2005106674A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535981B1 (en) * | 1997-08-04 | 2003-03-18 | Sega Enterprises. Ltd. | Information processing system |
US6565443B1 (en) * | 1999-09-14 | 2003-05-20 | Innovative Gaming Corporation | System and method for verifying the contents of a mass storage device before granting access to computer readable data stored on the device |
US6595856B1 (en) * | 2000-01-04 | 2003-07-22 | Sigma Game, Inc. | Electronic security technique for gaming software |
US6685567B2 (en) * | 2001-08-08 | 2004-02-03 | Igt | Process verification |
-
2005
- 2005-04-29 WO PCT/AU2005/000597 patent/WO2005106674A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535981B1 (en) * | 1997-08-04 | 2003-03-18 | Sega Enterprises. Ltd. | Information processing system |
US6565443B1 (en) * | 1999-09-14 | 2003-05-20 | Innovative Gaming Corporation | System and method for verifying the contents of a mass storage device before granting access to computer readable data stored on the device |
US6595856B1 (en) * | 2000-01-04 | 2003-07-22 | Sigma Game, Inc. | Electronic security technique for gaming software |
US6685567B2 (en) * | 2001-08-08 | 2004-02-03 | Igt | Process verification |
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