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RadiSys EXM-9 Скачать руководство пользователя страница 19

Page 13

4

4

4. Programming Interface

This chapter contains information needed to write custom software drivers for the
EXM-9. Anyone just using the EXM-9 as a BIOS-controlled interface to external
disks can skip reading this chapter.

The EXM-9 defines the following registers in the I/O space.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

I/O Port

1 1 1 1 0 1 1 0 100

Device ID Register

FLEN

IDEN

CDEN

102

Configuration Option Byte 1 Register

1F0

Data Register (16 bits)

1F1

Error/Write Precompensation Register

1F2

Sector Count Register

1F3

Sector Number Register

1F4

Cylinder Low Register

1F5

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Содержание EXM-9

Страница 1: ..._______________________________________________________________ 07 0060 03 July 1993 EXM 9 Disk Controller Reference RadiSys Corporation 15025 S W Koll Parkway Beaverton OR 97006 503 646 1800 FAX 503 646 1850 ...

Страница 2: ...t and RadiSys are trademarks of RadiSys Corporation OS 2 IBM and PC AT are trademarks of International Business Machines Corporation Microsoft and MS DOS are registered trademarks of Microsoft Corporation July 1990 Copyright 1990 1993 by RadiSys Corporation All rights reserved ...

Страница 3: ...mory arrays or other devices may void the warranty and if the product is damaged during installation of the modifications this warranty does not cover repair or replacement This warranty in no way warrants suitability of the product for any specific application IN NO EVENT WILL RADISYS BE LIABLE FOR ANY DAMAGES INCLUDING LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISIN...

Страница 4: ...EXM 9 Hardware Reference Page iv NOTES ...

Страница 5: ...M Module 4 3 Operation 7 Translating Sector Information 7 Fixed Translation Mode 7 Universal Translation Mode 7 Disk Partitioning 9 Troubleshooting 9 Connectors 10 4 Programming Interface 13 5 Support and Service 17 In North America 17 Technical Support 17 Bulletin Board 17 Repair Services 18 Warranty Repairs 18 Non Warranty Repairs 18 Arranging Service 19 In Other Countries 20 ...

Страница 6: ...2 EXM Slot Numbering 5 Figure 3 Front Panel Connectors 10 Figure 4 Cable Connection Instructions 12 Tables Table 1 EXM HD Environmental and Electrical Specifications 2 Table 2 OB1 Configuration Bit 5 Table 3 EXM 9 40 Pin IDE Connector Pin Out 11 Table 4 Cable Recommendations 12 ...

Страница 7: ...both must be connected to the EXM 9 you cannot use a different controller for the floppy drive Thus you cannot use an EXM 9 in a system containing an integrated EXP MS MX drive If you are using an external floppy drive that receives power form a power source that has its own on off switch separate from the processor it is possible that data corruption can occur on a floppy diskette in the external...

Страница 8: ...age 0 to 95 non condensing Altitude operating 10 000 ft 3000 m storage 50 000 ft 15 000 m Vibration operating 0 015 inch 0 38 mm Peak to Peak displacement with 2 5 g peak max acceleration over 5 to 2000 Hz storage 0 030 inch 0 76 mm P P displacement with 5 0 g peak max acceleration over 5 2000 Hz Shock operating 30 g 11 ms duration half sine shock pulse storage 50 g 11 ms duration half sine shock ...

Страница 9: ...FORMED IN A STATIC FREE ENVIRONMENT Insertion in an EXM Carrier Once the header pins are set insertion of the EXM 9 into an EXM carrier is straightforward Remove a blank EXM panel from the carrier by unscrewing the thumbscrews and insert the EXM 9 into the card guides Firmly press the EXM 9 front panel to ensure that the module is properly seated in the subplane and secure it with the thumbscrews ...

Страница 10: ...tion Press the F2 function key to invoke the EXM menu The screen display resembles the figure below ID OB1 OB2 Slot 0 DC 00 00 1 DB C1 00 2 F6 07 00 3 DE 00 39 4 F5 05 00 5 DC F5 00 Figure 1 EXM Setup Screen The EXM Setup Screen displays the EXM configuration data in hexadecimal stored in nonvolatile memory which the EPC uses at power up to recognize and configure each installed EXM An example of ...

Страница 11: ...F and OB1 OB2 of 00 00 indicating that no EXM is present To add or change an EXM configuration use the cursor keys arrows to move between the fields on the screen Move the cursor to the appropriate slot entry and type in the correct value The ID for the EXM 9 should be set to F6h OB1 should be set according to the following bit definitions 00 EXM 9 disabled 03 IDE interface enabled floppy controll...

Страница 12: ...EXM 9 Hardware Reference Page 6 2 2 OB2 is not used and should be set to 00 NOTES ...

Страница 13: ...e and universal translation mode Fixed Translation Mode If your drive uses fixed translation mode you must select a drive type with the exact number of sectors per track and heads per cylinder as specified by the drive s manu facturer What doesn t need to be exact is the number of cylinders Find an entry on the BIOS fixed disk menu that matches the number of sectors per track and heads per cylinde...

Страница 14: ...Some programs e g FDISK in earlier versions of DOS need to under stand the number of cylinders If you need this value the number of logical cylinders on the drive is given by the integer no larger than __B__ H S Use this value for software that needs to understand the number of cylin ders on the drive e g the FDISK disk partitioning program As an example consider the Conner Peripherals CP3204F 200...

Страница 15: ... improperly formatted diskette or 6 the EXM 9 Invoke the BIOS setup program and ensure that the floppy drive specification matches that of your drive that the EXM 9 is in the proper slot and that the EXM 9 configuration data specifies that both the EXM 9 and floppy controller are enabled Review the bullets at the end of the previous chapter to ensure that the drive is configured correctly Ensure t...

Страница 16: ...or The BIOS could not find the EXM 9 e g missing or disabled General failure Usually indicates an unformatted disk or diskette Non system disk Trying to boot from a disk or diskette that is not formatted as a bootable system disk Connectors The EXM 9 has two connectors on its front panel a 40 pin IDE connector and a 34 pin floppy disk drive connector 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 ...

Страница 17: ... not used 10 DD11 30 Ground 11 DD3 31 IRQ14 12 DD12 32 IOCS16 13 DD2 33 DA1 14 DD13 34 DIAG 15 DD1 35 DA0 16 DD14 36 DA2 17 DD0 37 HCS0 18 DD15 38 HCS1 19 Ground 39 HACT 20 KEY 40 Ground Table 3 EXM 9 40 pin IDE Connector Pin Out This product is designed to provide connectivity for external floppy drives and or hard disks via ribbon cables from the front panel connectors You should be aware that a...

Страница 18: ...ond the edge of the connector as shown below Figure 4 Cable Connection Instructions To help alleviate problems the following cables are recommended Manufacturer Floppy Connector 34 pin IDE Connector 3M 3414 7000 3417 7000 Ansley 609 3430CE 609 4030Ce Table 4 Cable Recommendations WRONG CORRECT ...

Страница 19: ...disks can skip reading this chapter The EXM 9 defines the following registers in the I O space Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 I O Port 1 1 1 1 0 1 1 0 100 Device ID Register FLEN IDEN CDEN 102 Configuration Option Byte 1 Register 1F0 Data Register 16 bits 1F1 Error Write Precompensation Register 1F2 Sector Count Register 1F3 Sector Number Register 1F4 Cylinder Low Register 1F5 ...

Страница 20: ...read from I O address 100h returns the value F6 the device ID of the EXM 9 A read write configuration register appears at I O address 102h The de fined bits are as follows FLEN specifies whether the floppy diskette controller is enabled 1 or disabled 0 If FLEN and CDEN are set the I O addresses 3F0 3F7 and the floppy diskette controller are active IDEN specifies whether the IDE Interface is enable...

Страница 21: ...containing an EXM 9 where the floppy controller function is being handled by some other device e g another EXM 9 an EXM 3 an EXP MS MX if you are using an EXM 9 and a floppy diskette drive the floppy drive must be controlled by the EXM 9 For an explanation of the IDE registers refer to documentation on any standard PC AT fixed disk interface For an explanation of the floppy diskette controller reg...

Страница 22: ...EXM 9 Hardware Reference Page 16 4 4 NOTES ...

Страница 23: ... reproduced We will respond by E mail phone or FAX by the next business day Technical Support Services are designed for customers who have purchased their products from RadiSys or a sales representative If your RadiSys product is part of a piece of OEM equipment or was integrated by someone else as part of a system support will be better provided by the OEM or system vendor that did the integratio...

Страница 24: ...ted that issues of serial number tracking and version control make it more convenient to receive their original products back after repair Warranty Repairs Products under warranty see warranty information in the front of this manual will have manufacturing defects repaired at no charge Products sent in for warranty repair that have no faults will be subject to a recertification charge Extended War...

Страница 25: ...ing their own equipment all components are available in a spares program There is a minimum billing charge associated with this program Arranging Service To schedule service for a product please call RadiSys Technical Support directly at 503 646 1800 Have the product model and serial numbers available along with a description of the problem A Technical Support representative will issue a Returned ...

Страница 26: ...ontact names and phone numbers in purchasing and engineering and a description of the suspected problem Any ancillary information that might be helpful with the debugging process will be appreciated Other Countries Contact the sales organization from which you purchased your RadiSys product for service and support ...

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