Adaptec SlimSCSI APA-1460 Technical Reference
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Adaptec SlimSCSI APA-1460 Technical Reference

Adaptec SlimSCSI APA-1460 Technical Reference

Pcmcia-to-scsi host adapter
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Summary of Contents for Adaptec SlimSCSI APA-1460

  • Page 1 Technical Reference APA-1460 SlimSCSI PCMCIA-to-SCSI Host Adapter...
  • Page 2 Adaptec, Inc. 691 South Milpitas Boulevard Milpitas, CA 95035 Copyright © 1994, Adaptec, Inc. All rights reserved. Adaptec and the Adaptec logo are registered trademarks of Adaptec, Inc. Printed in Singapore STOCK NO: 510671-00 Rev. A LL 08/94...

  • Page 3: Technical Reference

    APA-1460 SlimSCSI PCMCIA-to-SCSI Host Adapter AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Technical Reference Page: Front Matter-i ECN Date: 8/30/94...
  • Page 4 M–F: 6:00 a.m. to 5:00 p.m., Pacific Time. Interactive Fax Service The Adaptec Interactive Fax Service provides the latest online information about Adaptec products and services. The Adaptec Interactive Fax Service is available 23 hours a day, 7 days a week, at 408-957-7150. Ordering Software and Cables To order Adaptec software and SCSI cables, call 800-442-SCSI (7274), M–F: 6:00 a.m.
  • Page 5 (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94...
  • Page 6 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: Front Matter-iv ECN Date: 8/30/94...

  • Page 7: Table Of Contents

    Connector Pinout About This Chapter 4-1 Connectors 4-3 PCMCIA 68-pin Bus Interface Connector 4-3 SCSI 50-pin Shielded Connector 4-5 APA-1460 Card and Cable Connector 4-6 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94...
  • Page 8 APA-1460 SlimSCSI Technical Reference Functional Specification About This Chapter 5-1 Functional Specification 5-3 PCMCIA Attribute Memory Space 5-3 APA-1460 CIS 5-3 Configuration Option Register 5-4 APA-1460 Initialization 5-4 SCSI I/O Register Map 5-4 Address Mapping 5-5 Attribute Memory - 0000h to 1FFFh, 8 KBytes (Read/Write) 5-5...

  • Page 9: Preface

    PCMCIA, SCSI, and Card/Cable connectors. Functional Specification Chapter 5 describes the two types of PCMCIA bus cycles to which the APA-1460 responds. Conventions The following typographic conventions are used in this document.
  • Page 10 APA-1460 SlimSCSI Technical Reference SMALL CAPITALS Used for register names, signal names, and commands Hexadecimal Numbers Are followed by an ‘h’, e.g., 330h. End Mark viii symbol marks the end of the text for each chapter. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev.

  • Page 11: Introduction

    Introduction About This Chapter Read this chapter to find out An overview of the APA-1460 PCMCIA-to-SCSI host adapter A list of related documents which provide additional informa- tion related to the APA-1460 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev.
  • Page 12 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 1-2 ECN Date: 8/30/94...

  • Page 13: Overview

    APA-1460 design addresses concerns present in the PCMCIA and SCSI worlds, many of which are listed below in Features. The APA-1460 is comprised of two physical parts: the Type II PCMCIA card, containing the PCMCIA and SCSI electronics, and a custom SCSI cable. Reference to these two parts is made throughout the document as the Card and Cable, respectively;...

  • Page 14: Related Documents

    APA-1460 SlimSCSI Technical Reference Fully compliant with SCSI-1 electrical specifications (software implements SCSI-2 commands) ASPI (Advanced SCSI Programming Interface) compatibility Hardware compatibility with a wide range of PCMCIA platforms (current software is compatible with x86 platforms) Related Documents In several cases, this document refers you to other related documents. Some of these doc- uments are highly recommended, such as the AIC-6360 Data Book.

  • Page 15: Conformance To Industry Specifications

    About This Chapter Read this chapter to find out Conformance requirements to PCMCIA standards Conformance requirements to SCSI standards AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 2-1...
  • Page 16 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 2-2 ECN Date: 8/30/94...

  • Page 17: Conformance To Pcmcia Standards

    Toshiba Type IV with certain allowable variations, such as Type II Extended. The APA-1460 Card follows the form factor of a standard Type II card. When the APA-1460 Cable is plugged into the APA-1460 Card, the combination most closely resembles a Type II Extended product with regard to key physical dimensions.
  • Page 18 APA-1460 SlimSCSI Technical Reference ASPI compatibility is another key aspect of the APA-1460‘s compliance with industry standards for SCSI. ASPI is a software device driver model which allows a broad range of SCSI device driver and application programs to be written which are not dependent on the design of the SCSI host adapter.

  • Page 19: Product Specifications

    Product Specifications About This Chapter Read this chapter to find out Electrical specifications for the APA-1460 Mechanical specifications for the APA-1460 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94...
  • Page 20 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 3-2 ECN Date: 8/30/94...

  • Page 21: Electrical Specifications

    Cable wire: 32 wires with 5 individual bundles and impedance matched 80 ohm, high-performance cable Mechanical Specifications Form Factor: APA-1460 Card, PCMCIA Type II with 32-wire SCSI Cable, optional high or low density SCSI connector APA-1460 Card Dimensions Length: 3.370 inches (85.60 mm) Width: 2.126 inches (54 mm)

  • Page 22: Termination Power

    SCSI devices. Consult you SCSI device documentation. When the SCSI bus contains a Fast SCSI host adapter, such as the APA-1460, and one or more Fast SCSI device, the total length of all SCSI cables connected to the SCSI bus, including the APA-1460 Cable, must not exceed 3 meters (9.8 feet) to ensure reliable oper-...

  • Page 23: Connector Pinout

    Connector Pinout About This Chapter Read this chapter to find out The PCMCIA and SCSI connector pinouts The APA-1460 Card and Cable connector pinout AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A...
  • Page 24 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 4-2 ECN Date: 8/30/94...

  • Page 25: Connectors

    The following table gives the pinout for the PCMCIA 68-pin bus interface connector. Signals and pins specified as N/C are not connected on the APA-1460 Card. For these sig- nals, the PCMCIA standard signal name follows in parenthesis, for reference only.
  • Page 26 APA-1460 SlimSCSI Technical Reference Table 4-1. PCMCIA 68-pin Bus Interface Connector Pinout Signal Name -CE1 -WE/PGM -IREQ N/C (Vpp1) N/C (A16) N/C (A15) -IOIS16 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A...
  • Page 27 N/C (GND) N/C (GND) There is a drain wire in the APA-1460 Cable which electrically connects the metal shield of the SCSI 50-pin shielded connector, the aluminum-mylar foil cable shield, and the shield GND (see APA-1460 Card and Cable Connector on page 4-6).
  • Page 28 APA-1460 SlimSCSI Technical Reference APA-1460 Card and Cable Connector The APA-1460 Card and Cable connector is the interface between the APA-1460 Card and APA-1460 Cable. There are actually two connectors, one female mounted on the APA-1460 Card and the mating male connector on the APA-1460 Cable. The signals themselves cor- respond to the SCSI signals of the same names as shown on page 4-5, SCSI 50-pin Shielded Connector.

  • Page 29: Functional Specification

    Functional Specification About This Chapter Read this chapter to find out PCMCIA attribute memory space APA-1460 Card Information Structure (CIS) APA-1460 registers and address mapping AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A...
  • Page 30 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 5-2 ECN Date: 8/30/94...

  • Page 31: Pcmcia Attribute Memory Space

    Memory Space is a read/write address space, which in the PCMCIA Specification, may be as large as 64 MBytes. The APA-1460 only decodes the first 16 KBytes of this address space (address lines above A13 are ignored). The primary purpose of the Attribute Memory Space is to provide a separately addressable region on each PCMCIA add-in card which is dedicated to configuration functions.

  • Page 32: Configuration Option Register

    APA-1460 Initialization On power-up, PCMCIA cards do not respond to I/O cycles, only memory cycles (Attribute Memory Space cycles). It is necessary to write a value to the APA-1460 Configu- ration Option Register in order to enable I/O cycle access.

  • Page 33: Address Mapping

    TERM_EN TERM_EN 1: active termination enabled 0: active termination disabled (power down) Reset condition Common Memory Common Memory is not applicable for the APA-1460. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A...

  • Page 34: About The Updateable Attribute Memory

    APA-1460 SlimSCSI Technical Reference About the Updateable Attribute Memory The total size of the Attribute Memory is 8 KBytes, ranging from 0000h to 1FFFh. Inter- nally, an EEPROM is used to meet design requirements. During the Attribute Memory Read cycle, there is no difference from reading regular memory. During the write cycle, a special escape sequence must be followed to enable the write operation (see ATMEL data sheets).

  • Page 35: Power Down Mode

    Plug and Play and SCAM Current implementation is no different than a non-SCAM host. Refer to the PCMCIA Plug and Play and SCAM Specifications. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94...
  • Page 36 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00, Rev. A Print Spec Number: 492966-00, Rev. A Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: 5-8 ECN Date: 8/30/94...
  • Page 37 Glossary Adaptec EZ-SCSI™ A software program that automatically configures your computer to use the Adaptec SCSI host adapter and SCSI devices connected to it. Adaptec EZ-SCSI copies applications and device drivers to the computer’s hard disk drive. In nearly every case, the computer and SCSI devices are configured correctly when the default values are accepted.
  • Page 38 APA-1460 SlimSCSI Technical Reference files and software programs. Like the audio CDs used in consumer CD players, the data on CD-ROM discs cannot be changed once it is encoded. A single CD-ROM can hold 600 MBytes or more of data.
  • Page 39 ISA is sometimes called the AT bus, because it was first used in the IBM PC/AT. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA KByte Kilobyte.
  • Page 40 APA-1460 SlimSCSI Technical Reference Programmable Array Logic. Programmable logic elements used for decoding and con- trol functions. Parity Checking A SCSI feature used to verify whether data has been transmitted correctly over the SCSI bus. A check bit is added to each byte...
  • Page 41 SCSI IDs 0 and 1. SCSI Protocol Controller A device that provides an input/output interface between an ISA expansion bus and a SCSI bus. Adaptec's AIC-6360 pro- vide these functions on a single computer chip. Small Computer Systems Interface See SCSI.
  • Page 42 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: -6 ECN Date: 8/30/94...
  • Page 43 1-3 hot swapping 2-3 I/O address 5-5 I/O cycles 5-4 interrupt channel 3-3 IREQ signal 5-4 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA mechanical specifications 3-3 metaformat 5-3...
  • Page 44 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: Index-2 ECN Date: 8/30/94...
  • Page 45 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: Index-3 ECN Date: 8/30/94...
  • Page 46 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA APA-1460 SlimSCSI Technical Reference Stock Number: 510671-00 Rev. A Print Spec Number: 492966-00 Current Date: 8/22/94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Page: Index-4 ECN Date: 8/30/94...

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