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AMM-1570/1572 User’s Guide
Stock Number: 510526-00, Rev. B

Page: C-1

Print Spec Number: 492379-00
Current Date: 3/7/94

ECN Date: 3/8/94

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C-1

Optimizing
Performance

About This Appendix

Read this appendix to find out

■

How to optimize your system's perfor-
mance after installing the host adapter

Summary of Contents for AMM-1570

Page 1: ... Spec Number 492379 00 Current Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A AMM 1570 1572 SCSI Audio Host Adapter User s Guide ...

Page 2: ...AA A A A A A A A A A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A 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 510526 00 Rev B RQ 3 94 Information subject to change without notice ...

Page 3: ...4 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A R AMM 1570 1572 SCSI Audio Host Adapter User s Guide ...

Page 4: ...trademark of Santa Cruz Operation Inc VL Bus is a trademark of Video Electronics Standards Association UNIX is a registered trademark of Unix System Laboratories All other product names are trademarks or registered trademarks of their respective owners Changes The material in this User s Guide is for information only and is subject to change without notice While reasonable efforts have been made i...

Page 5: ...tructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the inter ference by one or more of the following measure...

Page 6: ... Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 7: ...t This Chapter 1 1 Overview 1 3 What is the AMM 1570 1572 1 3 System Requirements 1 4 Board Layout 1 4 Features 1 5 SCSI Module 1 5 Configuration Flexibility 1 5 Audio Module 1 6 Adaptec Software 1 7 Avoid Static Electricity 1 7 Number and Types of SCSI Devices 1 7 Types of Audio Equipment 1 7 Types of Cables Required 1 8 Maximum Cable Lengths 1 8 External SCSI Connector Mounting Bracket 1 8 2 Con...

Page 8: ...lock J5 2 11 Jumper Block J6 2 15 Jumper Block J7 AMM 1572 only 2 17 Jumper Block J8 2 17 Jumper Block J9 2 17 Jumper Block J17 2 19 3 Installing the AMM 1570 1572 About This Chapter 3 1 Installation Overview 3 3 Quick Installation 3 3 Detailed Installation 3 5 Installing the Host Adapter 3 6 Installing the External SCSI Connector Mounting Bracket 3 8 Cabling the Host Adapter 3 9 Connecting the SC...

Page 9: ...nical Information A 3 Product Specifications A 3 Physical Dimensions A 3 Power Requirements A 3 Environmental Requirements A 3 SCSI Interface A 4 Electrical Interface A 4 Floppy Disk Interface A 7 Standard Electronic and Physical Interface A 7 Connector A 7 Audio Input Connector J4 Pinouts A 7 B I O Operating Environment About This Appendix B 1 Host Adapter Support B 3 DOS Windows B 3 Adaptec EZ S...

Page 10: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A D Disk Drives Over 1 GByte About This Appendix D 1 Extended Translation Using MS DOS 5 0 D 3 The DOS 1 GByte Limit D 3 When to Use Extended Translation D 3 With MS DOS 5 0 and Above D 3 Drives With Mixed Partitions D 4 Using Fdisk D ...

Page 11: ... 5 Pin 1 Orientation on the Terminators 2 7 2 6 Jumper Block Locations 2 10 3 1 Connectors on the Host Adapter 3 5 3 2 Unused Expansion Bus Slot 3 6 3 3 Installing the Host Adapter 3 7 3 4 Installing the External Mounting Bracket 3 8 3 5 Connecting Bracket Ribbon Cable to the Host Adapter 3 9 3 6 50 pin SCSI Ribbon Cable to Host Adapter 3 10 3 7 50 pin SCSI Ribbon Cable to Internal SCSI Device 3 1...

Page 12: ... Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 13: ...se are also included Chapter 2 Configuring the AMM 1570 1572 discusses the importance of termination and SCSI IDs on the SCSI bus The default settings and instructions on changing termination and configuring the jumper blocks settings are also included Chapter 3 Installing the AMM 1570 1572 has the information needed to install the host adapter and connect SCSI devices and audio equipment Chapter ...

Page 14: ... AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A Appendix C Optimizing Performance has various tips on maximizing the performance of your host adapter Appendix D Disk Drives Over 1 GByte describes Adaptec s extended translation feature which allows you to bypass the DOS 1024 cylinder limit and supports disk drives up to 8 Gigabytes GBytes in size Glossar...

Page 15: ...ing typographic conventions are used in this manual bold Used for keystrokes press the Enter key Helvetica Used for operator entry that must be typed exactly as shown device c aspi2dos sys and for mes sages on the screen Enter Password Helvetica Italics Used as a place holder for text you must determine and type in enter nn for number Also used for program and file names that appear in body text t...

Page 16: ...AA AAAA A A A A A A A A A A A A A A A A Advisories Advisories are quick notes that stress an important point or warn of a potential hazard to your system or your data This manual uses three kinds of advisories Note Text set off in this way presents reminders tips or suggestions that may make it easier for you to install configure and use Adaptec software products and your host adapter Caution Fail...

Page 17: ... AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 1 1 1 Introduction About This Chapter Read this chapter to find out An overview of the AMM 1570 1572 The minimum system requirements needed to install the AMM 1570 1572 The location of the major components on the AMM 1570 1572 The features of the AMM 1...

Page 18: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 19: ... 1570 1572 The AMM 1570 1572 provides full SCSI host adapter functionality and superior audio performance for your SCSI and multimedia devices This is accomplished through the integration of two discrete functional modules onto a single board A SCSI module and an audio module The AMM 1570 1572 SCSI module provides a powerful multitask ing interface between the ISA bus and the SCSI bus featuring 16...

Page 20: ...tz MHz computer or higher An available 16 bit expansion bus slot Microsoft Windows 3 1 or higher Four megabytes MByte or more of RAM A Video Graphics Array VGA monitor and VGA display card A hard disk with 10 MBytes or more of free space A 3 5 inch high density 1 44 MByte floppy disk drive Board Layout Figure 1 1 shows the location of the major components on the host adapter Figure 1 1 Board Layou...

Page 21: ...s easy installation and use with Adaptec EZ SCSI and Adaptec EZ Audio software Multiple Device and Applications Support Supports up to seven individually configured SCSI devices simultaneously Supports any two floppy drives including 2 88 MByte Supports hard disk drives removable magneto optical drives CD ROM drives and Photo CD Compatible with DOS Windows third party software and SCSI 1 and SCSI ...

Page 22: ...ng and message based communication 16 bit host ISA bus data transfer 32 bit PIO transfers with 80386 processors and above Advanced Fast SCSI 2 Implementation Concurrent support of Fast SCSI synchronous and asynchronous devices Single ended output Scatter Gather Disconnect Reconnect Fully multitasking multithreading Uses the superior SCSI 2 Alternative 2 external connector and standard internal rib...

Page 23: ...y configure your operating environment for SCSI operation From Adaptec EZ SCSI you can run the Adaptec EZ Audio Install program to automatically configure your operating environment for the audio capabilities of the AMM 1570 1572 Avoid Static Electricity The host adapter is sensitive to static electricity even a mild shock can destroy a component on the board Keep the host adapter in its conductiv...

Page 24: ...ast SCSI host adapter such as the AMM 1570 1572 and one or more Fast SCSI devices the total length of all cables internal and external connected to the bus should not exceed 3 meters to ensure reliable operation If no Fast SCSI devices are connected the total length of all cables should not exceed 6 meters External SCSI Connector Mounting Bracket If you are connecting external SCSI devices to the ...

Page 25: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 2 1 2 Configuring the AMM 1570 1572 About This Chapter Read this chapter to find out The importance of termination on the SCSI bus and how to configure it on the AMM 1570 1572 The importance of SCSI IDs on the SCSI bus and how to configure it on the AMM 1570 1572 The default setting...

Page 26: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 27: ...r con nected to the SCSI bus In addition this chapter describes in detail how to configure each of the jumper blocks on the AMM 1570 1572 Termination on the SCSI Bus To prevent line noise from bouncing back through the SCSI bus the first and last physical SCSI devices on the SCSI bus must have a set of resistors called terminators either installed or enabled If the termi nators on the first and la...

Page 28: ...d to the host adapter the last external device and the last internal device cabled to the host adapter is terminated Since the host adapter is sit uated in the middle of the SCSI bus and does not form a physical endpoint host adapter termination is disabled Internal Devices Only When only internal devices are connected to the host adapter the last internal device cabled to the host adapter is term...

Page 29: ...AA AAAA AAAA AAAA A A A A A A A A A A A A A A A A External Devices Only When only external devices are connected to the host adapter the last external device cabled to the host adapter is terminated Since the host adapter is situated at the end of the SCSI bus and forms one of the physical endpoints host adapter termination is enabled Figure 2 2 Termination With Internal Devices Only No Terminatio...

Page 30: ...mentation to determine how to enable or disable termination on your particular SCSI device s Note Since the AMM 1570 1572 always supplies termi nation power on the SCSI bus termination power sup plied by other SCSI devices should be disabled Terminating the AMM 1570 1572 Host adapter termination is determined by the types internal and or external of SCSI devices connected to the AMM 1570 1572 The ...

Page 31: ...D serves two pur poses it uniquely defines each SCSI device s address on the bus and it determines the device s priority on the bus during the Arbitration phase The Arbitration phase determines which device owns the bus when two or more devices simultaneously request to use it When selecting the SCSI ID consider the following The default value for your host adapter is SCSI ID 7 Normally the host a...

Page 32: ...each adapter implements a different SCSI bus so SCSI IDs can be reused Setting the SCSI ID on the AMM 1570 1572 Changing the SCSI ID setting on the AMM 1570 1572 is done by configuring jumper block J6 on the board SCSI ID on page 2 16 lists the available settings for SCSI ID Setting the SCSI ID on Other SCSI Devices The SCSI ID on most SCSI devices is typically set with jumpers or with switches on...

Page 33: ...configuring adapter boards 1 Jumper blocks J6 and J9 are both used to determine the Interrupt Channel IRQ The appropriate pin pairs on J6 and J9 must be configured to the same IRQ Description Default Setting Jumper Block Int 19h Reroute Int 19h J5 Fast SCSI Operation Disabled J5 Synchronous Negotiation Disabled J5 SCSI Disconnection Enabled J5 Floptical Drive Support Disabled J5 Extended Translati...

Page 34: ...570 1572 Configuring the AMM 1570 1572 involves installing or removing small plastic jumper connectors on the pins of jumper blocks located on the AMM 1570 1572 Installing and Removing Jumper Connectors Installing a jumper On means to install a small plastic jumper con nector so that it covers both pins of the jumper pin pair Removing the jumper connector or having it cover only one pin is the sam...

Page 35: ...ical Drive Support and Extended Translation for Drives 1 GByte The default configuration is Int 19h Pin pair BT determines whether Int 19h is rerouted The default set ting is reroute Int 19h The available settings are To allow for booting capability from a SCSI drive the host adapter BIOS allows you to reroute Int 19h during system bootup If Int 19h is not rerouted Int 13h performs system bootup a...

Page 36: ...ransferring data to and from the SCSI bus at speeds ranging from 5 to 10 MBytes sec Fast SCSI Operation and Synchronous Negotiation are used in con junction to determine request for data transfer rates If both Fast SCSI Operation and Synchronous Negotiation is enabled the host adapter initiates a request for 10 MByte sec data transfer If Fast SCSI Operation is enabled and Synchronous Negotia tion ...

Page 37: ...g each piece of data is and how many pieces are sent at a time that is they agree on how fast to talk SCSI devices that support Synchronous Negotiation data transfer can maintain a much higher conversation speed than devices that do not support it When enabled the host adapter initiates Synchronous Negotiation with the SCSI device When disabled the host adapter does not ini tiate Synchronous Negot...

Page 38: ...CSI bus while the devices are temporarily disconnected Note A SCSI device may choose not to disconnect even if allowed to by the host adapter this is usually config urable on the SCSI device In general disconnect should be allowed for the most efficient SCSI bus utilization and highest overall system performance If only one SCSI device is attached to the SCSI host adapter disconnects are not requi...

Page 39: ...apacity greater than 1 GByte Appendix D Disk Drives Over 1 GByte discusses the extended translation feature in detail If this option is enabled the following translation schemes are used SCSI hard disks 1GByte use a translation scheme of 64 heads 32 sectors per track SCSI hard disks 1 GByte use a translation scheme of 255 heads 63 sectors per track Caution Back up the data on your large capacity d...

Page 40: ... available settings are Each SCSI device including the host adapter located on the SCSI bus must be set to a unique SCSI ID Refer to SCSI IDs on the SCSI Bus on page 2 7 for additional information on SCSI ID Interrupt Channel IRQ Pin pairs IC and IC allow you to configure an IRQ for the host adapter Each AMM 1570 1572 and expansion board installed in your system must be assigned a unique IRQ The I...

Page 41: ...ort SCSI parity then SCSI Parity Checking on the host adapter should be disabled Most devices today however do support SCSI parity Jumper Block J7 AMM 1572 only Jumper block J7 enables or disables the floppy disk controller If your floppy diskette drives are already running under another con troller disable the onboard floppy controller on the AMM 1572 To use the onboard floppy controller leave it...

Page 42: ...MM 1570 1572 and expansion board installed in your system must be assigned a unique IRQ The IRQ channel selected here must match the IRQ channel selected using pin pairs IC and IC on jumper block J6 The available settings are Note IRQ 9 is not recommended with Windows 3 x I O Port Address Pin pair AL configures the I O Port Address range of the host adapter Each AMM 1570 1572 and expansion board i...

Page 43: ...IOS Base Address range Each AMM 1570 1572 and expansion board installed in your system must be assigned a unique BIOS Base Address range The available settings are Host Adapter BIOS Pin pair BE allows you to enable or disable the Host Adapter BIOS The BIOS must be enabled in order to boot from a SCSI fixed disk drive attached to the host adapter and to display BIOS messages during system bootup Th...

Page 44: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 45: ...A AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 3 1 3 Installing the AMM 1570 1572 About This Chapter Read this chapter to find out The instructions an experienced user can use to quickly install the AMM 1570 1572 connect SCSI devices and connect audio equipment The instructions a user who is new to SCSI or has limited experience can use to install the host adapter connect SCSI devices ...

Page 46: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 47: ... your host adapter up and running quickly If you are new to SCSI peripherals or if you have limited experience installing option boards in your computer refer to the more compre hensive instructions and illustrations found in Detailed Installation on page 3 5 Quick Installation The following sections are intended to help experienced users quickly install the AMM 1570 1572 into the computer If you ...

Page 48: ...CSI devices 5 If you are connecting external SCSI devices install and secure the external SCSI connector mounting bracket available from Adaptec into an available slot cover opening next to the board 6 Connect the ribbon cable of the external SCSI connector mount ing bracket to the external SCSI connector on the host adapter 7 To connect the first external SCSI device use a 50 pin shielded cable t...

Page 49: ...s intended primarily for users who are new to SCSI peripherals or have limited experience in installing an option board in their computer Experienced users may want to refer to Quick Installation on page 3 3 The comprehensive instructions in this section guide you through installing the host adapter cabling peripherals and connecting audio equipment Note Before physically installing the board veri...

Page 50: ...is cover must be removed and the motherboard exposed Always refer to your sys tem documentation for instructions on removing the chassis cover and adding option boards such as the AMM 1570 1572 WARNING Ground yourself by touching an unpainted surface on your computer chassis then turn OFF and disconnect power to the system and external equipment before removing the chassis cover or attempting any ...

Page 51: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 3 Carefully remove the AMM 1570 1572 from the antistatic bag Place it on top of the bag if you need to set it down 4 Align and insert the host adapter in the expansion slot 5 Secure the host adapter in your system Make sure the host adapter is fully seated in its slot...

Page 52: ...ting Bracket If you are connecting external SCSI devices to the AMM 1570 1572 you will need to install the external SCSI connector mounting bracket The mounting bracket is available from Adaptec and is nor mally included with all AMM 1570 1572 kits To install the external SCSI connector mounting bracket 1 Locate an unused expansion bus slot preferably next to the AMM 1570 1572 in your system and r...

Page 53: ... has two connectors for connecting SCSI devices one for connecting internal SCSI devices and one for con necting external SCSI devices In addition the AMM 1572 has a con nector that allows you to connect up to two floppy disk drives Note Only single ended SCSI devices are supported by the AMM 1570 1572 Differential SCSI devices may be damaged if connected to the host adapter bus Most SCSI devices ...

Page 54: ...connected to the 50 pin internal SCSI connector Note Refer to the SCSI device documentation for instructions on mounting internal SCSI devices inside your computer chassis To connect internal SCSI devices 1 Connect one end of the 50 pin SCSI ribbon cable to the 50 pin internal SCSI connector on the host adapter Note When cabling the 50 pin internal SCSI ribbon cable to both the host adapter and in...

Page 55: ...her end of the 50 pin SCSI ribbon cable to the SCSI connector on the internal SCSI device 3 To connect a second internal SCSI device plug the middle connector of the SCSI ribbon cable to the SCSI connector on the second internal SCSI device 4 To connect three or more internal SCSI devices to a SCSI bus obtain a 50 pin SCSI ribbon cable with enough connectors to accommodate all of your internal SCS...

Page 56: ... page 3 8 External devices are usually daisy chained to the host adapter This means that a simple two ended cable runs from the host adapter to the connector on the first external device A second connector on the back of the external device allows another cable to connect it with the second device in the chain Up to seven external SCSI devices can be connected to the external connector External SC...

Page 57: ...AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 2 Connect the other end of the external cable to either one of the SCSI connectors on the external SCSI device 3 To connect subsequent external SCSI devices obtain additional external cables and chain each device to the previous device until all external SCSI devices have been connected Figure 3 10 External Cable ...

Page 58: ...py disk drives can be connected to the host adapter Note The AMM 1572 supports only floppy primary address 3F0h 3F7h The IRQ channel is hard wired for channel 6 and the DMA channel is hard wired for channel 2 To connect floppy disk drives 1 Connect one end of the 34 pin floppy ribbon cable to the floppy connector on the host adapter Note When cabling the 34 pin floppy ribbon cable to both the host...

Page 59: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 2 Connect the other end of the 34 pin floppy ribbon cable to the connector on the first floppy drive drive A 3 To connect a second floppy drive plug the middle connector of the floppy ribbon cable to the connector on the second floppy drive drive B Figure 3 13 34 pin Floppy Cable to First Floppy Drive Colored Stripe ...

Page 60: ...ight Emitting Diode on the front panel If you connect your sys tem s LED cable to the host adapter the LED will light to indicate SCSI bus activity Note If you connect your computer s LED to the host adapter the LED no longer indicates non SCSI disk activity So you may not want to use this feature if you are running non SCSI disk drives To connect the SCSI bus LED connector 1 Refer to your system ...

Page 61: ...tick and MIDI connector any audio equipment connected to the AMM 1570 1572 must be equipped with a 1 8 inch plug miniphone to plug into the audio jacks on the AMM 1570 1572 The following figure shows some of the audio equipment you can use and where to plug the equipment into the jacks on the mounting bracket of the AMM 1570 1572 Speaker SPKR Jack The SPKR jack allows you to connect headphones or ...

Page 62: ...CD ROM manufacturer the type of audio cable used can also vary Refer to the CD ROM drive documentation for information on con necting your drive to the CD Audio Input on sound cards such as the AMM 1570 1572 To have a custom ized cable made pinouts for connector J4 on the AMM 1570 1572 are described in Appendix A Specifica tions Microphone MIC Jack The MIC jack allows you to connect any standard m...

Page 63: ...en software package that automatically configures your operating environment for SCSI operation Refer to the EZ SCSI User s Guide for complete information To run EZ SCSI simply insert the EZ SCSI installation diskette into the floppy drive and type Install at the appropriate DOS prompt Towards the end of EZ SCSI installation you are asked if you would like EZ SCSI to install Adaptec EZ Audio To in...

Page 64: ...ch SCSI device on the SCSI bus is set to a unique SCSI ID 0 7 The host adapter is firmly seated and secured in the expansion bus slot Internal SCSI devices are connected to the host adapter with a 50 pin SCSI ribbon cable and that proper Pin 1 orientation is maintained External SCSI devices are cabled to the host adapter with 50 pin shielded cables If using the onboard floppy controller on the AMM...

Page 65: ...AAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A 4 1 4 Troubleshooting About This Chapter Read this chapter to find out How to use the troubleshooting checklist to solve some of the more common problems you may encounter How to fix specific operating problems The ASPI manager error messa...

Page 66: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 67: ...dapter running properly information on contacting Adaptec Technical Support is included on page ii If a problem occurs during installation check these items first Be sure all cables are properly connected Check both power and SCSI interface cables See Detailed Installation on page 3 5 Connect internal peripherals to your computer s power sup ply plug external peripheral power cables into a grounde...

Page 68: ... 1 orientation is maintained throughout the bus as explained in Connecting Internal SCSI Devices on page 3 9 If the host adapter BIOS message is not displayed on the screen the system does not recognize the BIOS Check for BIOS and I O port address conflicts between the host adapter and other option boards Try a different BIOS address Refer to Jumper Block J9 on page 2 17 Make sure the host adapter...

Page 69: ...o 0 Make sure that SCSI parity is consistently enabled or disabled on all devices on the SCSI bus Make sure that SCSI termination is properly set on the host adapter and SCSI devices See Termination on the SCSI Bus on page 2 3 The aspi2dos sys ASPI manager is installed however the system will not boot from the SCSI hard disk drive and the aspi2dos logo does not appear on the screen Make sure aspi2...

Page 70: ...s consistently enabled or disabled on all devices on the SCSI bus Make sure SCSI termination is properly set on the host adapter and SCSI devices If your system is running under DOS make sure that the disk has a DOS partition The system works erratically it hangs or the host adapter cannot locate the drives Make sure SCSI parity is consistently enabled or disabled on all devices on the SCSI bus Ma...

Page 71: ...pi2dos sys Error Messages Failed to initialize HA Check the host adapter and reinstall if necessary Check jumpers and cables aspi2dos sys Installation Failed Check the contents of your config sys file Remove all unnecessary device drivers including all memory managers until aspi2dos sys installs successfully then reload the other drivers one at a time to find the driver that is causing the problem...

Page 72: ...21 or higher It does not load if it detects an earlier version of DOS Other Error Messages Host adapter at port address xxx failed diagnostics xxx the port address This message indicates that there is no host adapter at that port address that there is an address conflict or that the host adapter is defective Reinstall the host adapter Check cables and jumpers Check for I O address conflicts Confir...

Page 73: ...AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A A 1 A Specifications About This Appendix Read this appendix to find out Technical specifications of the AMM 1570 1572 SCSI interface and floppy disk interface Pin assignments for the internal and external SCSI connectors Pin assignme...

Page 74: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 75: ... AAAA AAAA AAAA A A A A A A A A A A A A A A A A Technical Information The basic technical specifications of the host adapter are described below If you need more detailed information contact Adaptec s Literature Department at the phone number listed in Literature Hotline on page iii Product Specifications Physical Dimensions Length 10 87 inches 27 6 cm Width 1 0 inches 2 54 cm Height 4 5 inches 11...

Page 76: ...a SCSI device has the following output characteristics when measured at the SCSI device s connector Input Signals SCSI inputs meet the following electrical characteristics on each sig nal including both receivers and passive drivers Signal Definition Characteristics VOL Low level output voltage 0 0 to 0 5 volts DC at 48 mA sinking signal assertion VOH High level output voltage 2 5 to 5 25 volts DC...

Page 77: ...ernal SCSI connector must be an unshrouded 50 pin header compatible with unshielded Alternative 2 connector The fol lowing table lists the pin assignments for the internal connector Signal Name Pin Pin Signal Name Ground 1 2 DB 0 Ground 3 4 DB 1 Ground 5 6 DB 2 Ground 7 8 DB 3 Ground 9 10 DB 4 Ground 11 12 DB 5 Ground 13 14 DB 6 Ground 15 16 DB 7 Ground 17 18 DB P Ground 19 20 Ground Ground 21 22 ...

Page 78: ...r The 50 pin external SCSI connector must be a shielded 50 pin high density Alternative 2 connector The following table lists the pin assignments for the external connector Signal Name Pin Pin Signal Name Ground 1 26 DB 0 Ground 2 27 DB 1 Ground 3 28 DB 2 Ground 4 29 DB 3 Ground 5 30 DB 4 Ground 6 31 DB 5 Ground 7 32 DB 6 Ground 8 33 DB 7 Ground 9 34 DB P Ground 10 35 Ground Ground 11 36 Ground Gr...

Page 79: ...AAAA AAAA A A A A A A A A A A A A A A A A Floppy Disk Interface Standard Electronic and Physical Interface Connector The floppy disk interface connector should be an unshrouded 34 pin header Audio Input Connector J4 Pinouts The pinouts for J4 are as follows Driver Output Signals VOL 0 volts minimum 0 5 volts maximum VOH Open collector 5 25 volts maximum IOL 60 mA IOH 0 1 mA Receiver Input Signals ...

Page 80: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 81: ...AAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A B 1 B I O Operating Environment About This Appendix Read this appendix to find out If embedded support for your host adapter is available with your operating system Whether you need additional software for your host adapter in the DOS Windows environment Info...

Page 82: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 83: ...rating Environment Software support Note Until embedded support is provided for your par ticular operating system host adapter drivers for the AMM 1570 1572 may be available from Adaptec To order Adaptec software call the number for ordering Adaptec software listed in Ordering Software and Cables on page iii DOS Windows Under MS DOS 5 0 or higher up to seven SCSI hard disk drives can be connected ...

Page 84: ...tomatically for SCSI operation Adaptec EZ SCSI has a number of utility programs including afdisk and scsifmt which are used to partition and format SCSI disk devices Adaptec EZ SCSI also includes an ASPI device driver called aspicd that supports most models of CD ROM drives including single session and multi session Photo CD and an aspidisk device driver which supports up to 24 fixed disk devices ...

Page 85: ...AAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A C 1 C Optimizing Performance About This Appendix Read this appendix to find out How to optimize your system s perfor mance after installing the host adapter ...

Page 86: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 87: ... e g certain CD ROM drives do not support Synchronous Negotiation and may malfunction if they receive a request for it you may want to keep Synchronous Negotiation disabled Note Even when Synchronous Negotiation is disabled on the host adapter the host adapter switches to Syn chronous Mode if it receives a request from the SCSI device Disabling the Host Adapter BIOS Disabling the host adapter BIOS...

Page 88: ...ain consult the hardware documentation for the device Setting Enable Disconnection In the DOS environment you can increase performance slightly if you disable SCSI Disconnection when there is only a host adapter and a single disk device on the SCSI bus You should enable this option however if you have more devices on the SCSI bus Fast SCSI Operation If you have SCSI 2 devices and would like to tra...

Page 89: ... AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A D 1 D Disk Drives Over 1 GByte About This Appendix Read this appendix to find out An overview of extended translation and the DOS 1 GByte limit When to use the extended translation feature Questions and answers about ...

Page 90: ...t Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 91: ...r the AMM 1570 1572 This feature supports disk drives up to 8 GBytes in size under DOS To enable this feature refer to Extended Transla tion for Drive 1GByte on page 2 15 The DOS 1 GByte Limit All current versions of DOS are limited to 1024 cylinders per drive The standard translation scheme for SCSI host adapters using 64 heads and 32 sectors provides a maximum accessible capacity of 1 GByte To e...

Page 92: ... SCO 3 2 4 or later and ISC 3 0 or later Using Fdisk To install a new disk or to repartition an existing disk use the fdisk DOS utility as you normally would The cylinder size increases to 8 MBytes when you enable extended translation The size of the par tition you request must therefore be a multiple of 8 MBytes If you request a partition size that is not a multiple of 8 MBytes fdisk will round u...

Page 93: ...A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A Glossary 1 Glossary About This Glossary Read this glossary to find out Definitions of technical terms used in this User s Guide Definitions of terms commonly used in other documents and publications which discuss the SCSI to m...

Page 94: ...rent Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 95: ... 1570 1572 The Adaptec SCSI Audio Host Adapters ASPI Advanced SCSI Programming Interface A standard SCSI soft ware interface that acts as a liai son between host adapters and SCSI device drivers ASPI enables host adapters and device drivers to share a single SCSI hardware interface ASPI Manager A software module that pro vides an interface between ASPI modules a host adapter board and the SCSI dev...

Page 96: ... for multitasking oper ating systems Byte An 8 bit unit of data A byte is normally the smallest address able unit of memory and the smallest unit of transfer on the SCSI bus Device Driver A software program that enables a PC to communicate with peripheral devices such as fixed disk drives and CD ROM drives Each kind of device requires a different driver Device driver programs are stored on a PC s ...

Page 97: ...re EZ Audio See Adaptec EZ Audio EZ SCSI See Adaptec EZ SCSI FIFO First In First Out A queuing order in which items are removed from the queue for exe cution in the same order in which they are placed in the queue An integrated circuit that buffers data in such a manner that each byte placed in the buffer is removed from the buffer in the same order Firmware The software that controls and manages ...

Page 98: ...ard Architecture expansion bus A type of com puter bus used in most PCs ISA enables expansion devices like network cards video adapters and modems to send data to and receive data from the PC s CPU and memory 16 bits at a time Expansion devices are plugged into sockets in the PC s mother board ISA is sometimes called the AT bus because it was origi nally introduced with the IBM PC AT in 1983 KByte...

Page 99: ...ltithreaded I O A method by which data is accessed simultaneously from multiple SCSI devices to increase a system s data transfer rate For example if the system needs data from two disk devices it requests data from the first device which temporarily disconnects from the SCSI bus while it is seeking the data Dur ing this delay the system requests data from the second device and while that device d...

Page 100: ...more SCSI peripheral devices and a host adapter con nected by cables in a daisy chain configuration The bus may include both internal and exter nal SCSI devices In systems that have more than one host adapter each adapter has its own separate SCSI bus SCSI Device A device such as a host adapter board fixed disk drive or CD ROM drive that conforms to the SCSI interface standard and is attached to a...

Page 101: ... initiator and the target that allows the negotiation of the data transfer frequency and delay between requests and acknowledgments required for synchronous data transfer Once negotiated synchronous data transfer parameters remain unchanged until certain reinitialization activities occur Tagged Queuing A SCSI 2 feature that allows the SCSI device to queue return data commands in a different order ...

Page 102: ...rrent Date 3 7 94 ECN Date 3 8 94 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A A A A A A A A A A A A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A ...

Page 103: ...enabling 2 19 C 3 extended translation support D 1 D 4 Int 19h 2 11 messages 2 19 4 4 system bootup 2 11 Board layout 1 4 Booting 2 11 C Cables CD audio 3 18 4 7 external SCSI 1 8 3 12 3 13 floppy cable 3 4 3 14 internal SCSI 1 8 3 4 3 9 3 10 LED activity 3 16 maximum length 1 8 C 4 types of 1 8 Cabling the host adapter 3 4 3 9 maintaining Pin 1 orientation 3 4 3 10 3 14 CD audio input connector 3...

Page 104: ...3 4 3 5 3 9 3 14 A 7 controller 2 17 3 4 DMA channel 3 14 IRQ 3 14 primary address 3 14 Floptical drive support 2 14 H Hard disk drive capacities greater than 1 GByte 2 15 D 1 DOS disk capacity limit D 3 drives with mixed partitions D 4 extended translation 2 15 D 1 D 4 low level format B 4 multiple drives B 3 partitions D 3 removable disk drive B 3 Headphones 3 17 I I O operating environment B 1 ...

Page 105: ... 3 Optimizing performance C 1 Output jacks 1 3 Output signals A 4 P Parity 2 17 C 3 Partitions D 4 Performance tips C 3 Plotters B 3 Port Address see I O port address Power requirements A 3 R RAM 1 4 Removable disk drive B 3 S Scanners B 3 SCSI bus activity LED 3 16 operating environment 1 7 parity C 3 physical endpoints 2 3 SCSI ID 2 7 4 3 termination 2 3 2 5 4 3 SCSI devices external 3 8 3 12 Fa...

Page 106: ...AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A A A A A A A A AMM 1570 1572 User s Guide Index 4 T Tape decks 3 17 3 18 Tape drives B 3 Temperature requirements A 3 Termination power 2 6 Terminators 2 3 2 6 see also SCSI termination Transfer rates see Data transfer Translation scheme D 3 Troubleshooting 4 1 4 8 checklist 4 3 U Uti...

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