Adaptec 1520A User Guide
Adaptec 1520A - AHA Storage Controller Fast SCSI 10 MBps Manual
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- Adaptec 1520A | User Guide - Page 1
User's Guide AHA-1510A/1520A Series ISA-to-SCSI Host Adapter AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe-SAAAn1NAAApt5AAAeuD1AAAcmAAA0aAAANtAbeAAAeu:/AAAr2mAAA1:0AAA25bAAAA/1eAAA7rAAA0S/:9AAA4e4AAA40rAAA9i0eAAA1-AAAs08AAAU04AAA,2AAAsR-AAAe0AAAre0'AAAvsAAA. - Adaptec 1520A | User Guide - Page 2
Boulevard Milpitas, CA 95035 Copyright © 1994, Adaptec, Inc. All rights reserved. Adaptec and the Adaptec logo are trademarks of Adaptec, Inc. which may be registered in some jurisdictions. Printed in Singapore STOCK NO.: 510400-00, Rev. C MA 12/94 AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe - Adaptec 1520A | User Guide - Page 3
w w w w AHA-1510A/1520A Series ISA-to-SCSI Host Adapter User's Guide R AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe-SAAAn1NAAApt5AAAeuD1AAAcmAAA0aAAANtAbeAAAeu:/AAAr2mAAA1:0AAA15bAAAA/1eAAA1rAAA0S8:AAA4/e4AAA90rAAA94i0eAAA1-AAAs08AAAU04AAA,2AAAsR-AAAe0AAAre0'AAAvsAAA. - Adaptec 1520A | User Guide - Page 4
Adaptec, Inc., 691 South Milpitas Blvd., Milpitas, CA 95035. Trademarks Adaptec, the Adaptec logo, AHA, and EZ-SCSI are trademarks of Adaptec, to its users. Adaptec Technical Support and Services If you have questions about installing or using the host adapter, check this user's guide first-you will - Adaptec 1520A | User Guide - Page 5
interference in residential installations. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not - Adaptec 1520A | User Guide - Page 6
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2 Host Adapter Configuration Jumper Block Locations 2-2 Default Settings 2-3 Jumper Block J5 2-4 Jumper Block J6 2-5 Jumper Block J7 2-6 Jumper Block J8 2-6 Jumper Block J9 (AHA-1520A/1522A) 2-7 Jumper Block J9 (AHA-1510A) 2-8 Host Adapter Settings 2-9 SCSI Disconnection 2-9 SCSI ID 2-9 SCSI Parity - Adaptec 1520A | User Guide - Page 8
AHA-1510A/20A Series User's Guide SCSI Termination 2-10 Synchronous Negotiation 2-10 Interrupt Channel 2-10 ISA Port Address 2-11 SCSI BIOS 2-11 SCSI Boot 2-11 ISA BIOS Address 2-11 Floppy Disk Controller 2-12 Optional Host Adapter Settings 2-12 Data Transfer Mode 2-12 SCSI Floptical Support 2-13 - Adaptec 1520A | User Guide - Page 9
Preface 4 Software Support DOS/Windows 4-1 Adaptec EZ-SCSI 4-1 Other Operating Systems 4-2 5 Troubleshooting Operating Problems 5-1 Other Error Messages 5-5 A Support for Large Disk Drives Extended Translation (Using MS-DOS 5.0) A-1 When to Enable Extended Translation A-1 Using Fdisk A-2 Extended - Adaptec 1520A | User Guide - Page 10
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2-1 AHA-1520A/1522A Jumper Blocks 2-2 2-2 AHA-1510A Jumper Block 2-2 3-1 Host Adapter Terminators 3-2 3-2 Connecting Internal Devices Only 3-3 3-3 Connecting External Devices Only 3-4 3-4 Connecting Internal and External Devices 3-4 3-5 Inserting the Host Adapter in a Slot 3-6 3-6 Internal SCSI - Adaptec 1520A | User Guide - Page 12
AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe-SAAAn1NAAApt5AAAeuD1AAAcmAAA0aAAANtAbeAAAeu:/AAAr2mAAA1:0AAA15bAAAA/1eAAA1rAAA0S8:AAA4/e4AAA90rAAA94i0eAAA1-AAAs08AAAU04AAA,2AAAsR-AAAe0AAAre0'AAAvsAAA.AAAGCAAAuAAAAAAidAAAeAAAAAAAAAEAAACAAAAAANAAAAAADAAAAAAaAAAtAAAeAAA: AAA1AAA1PAAA/aAAA2AAAg9AAAe/ - Adaptec 1520A | User Guide - Page 13
to assist you in troubleshooting problems that may occur during installation and configuration. Appendix A Support for Large Disk Drives describes Adaptec's support for disk drives > 1GByte under DOS. Appendix B Floptical Drive Support describes support for SCSI Floptical drives and how - Adaptec 1520A | User Guide - Page 14
AHA-1510A/20A Series User's Guide Conventions The following typographic conventions are used in this manual. bold Used for keystrokes (... the autoexec.bat file ...). Italics Used for emphasis (... is only supported ...) and for document reference (... refer to Chapter 3, Hardware Installation...). - Adaptec 1520A | User Guide - Page 15
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 in this manual can only cover the procedures contained here, and not all situations may have been addressed. Adaptec does not - Adaptec 1520A | User Guide - Page 16
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20A Series consists of three host adapter models: s AHA-1510A: ISA-to-SCSI host adapter s AHA-1520A: ISA-to-SCSI host adapter with onboard BIOS s AHA-1522A: ISA-to-SCSI host adapter with onboard BIOS and floppy drive controller Adaptec's AHA-1510A/20A Series host adapters break the price/performance - Adaptec 1520A | User Guide - Page 18
asynchronous devices: disk drives, tape, CD-ROM, WORM, DAT, etc. Compatibility s SCSI BIOS with boot capability and support for up to two hard disk drives under DOS (AHA-1520A/1522A only) s Supports SCSI hard disks with capacities above 1 GByte 1-2 AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe - Adaptec 1520A | User Guide - Page 19
standard floppy disk drives (AHA-1522A only) s Optional built-in SCSI Floppy/Floptical diskette drive support s Compact design; half-card size fits easily into desktop PCs, as well as many slots in laptop computers Software Support s Adaptec EZ-SCSI software automatically configures your system and - Adaptec 1520A | User Guide - Page 20
AHA-1510A/20A Series User's Guide Product Specifications Physical Dimensions s Length: 6.875" s Width: 4.18" s Thickness: 0.5" Power Requirements s 5.25 V to 4.75 V tolerance on the ISA power supply Environmental Requirements s Temperature (operating or - Adaptec 1520A | User Guide - Page 21
systems. This chapter explains the default and optional settings for the AHA-1510A/20A Series host adapter. You will learn when to change the default settings and how to do so. Some AHA-1510A/20A Series configuration parameters, such as SCSI ID and termination, are pre-set at the factory. These - Adaptec 1520A | User Guide - Page 22
the location of these jumper blocks. AHA-1522A only Floppy connector Internal SCSI connector J5 J6 Terminators Floppy controller J7 J8 J9 Host adapter BIOS AIC-6360 External SCSI connector Figure 2-1. AHA-1520A/1522A Jumper Blocks The AHA-1510A host adapter has only one jumper block - Adaptec 1520A | User Guide - Page 23
Host Adapter Configuration Default Settings AHA-1510A/20A Series host adapters have the default setting shown in the Controller Data Transfer Mode SCSI Floppy/Floptical Fast SCSI > 1 GByte Translation Default Value Enabled 7 Enabled Installed Enabled 11 340h DC000h,Enabled Enabled (AHA-1522A - Adaptec 1520A | User Guide - Page 24
AHA-1510A/20A Series User's Guide Jumper Block J5 DT BT M0 M1 SN DN R- R- Default Setting Pin Pair Description DT Set data transfer mode DMA enabled = jumper PIO (programmed I/O)D = no jumper DMA transfer mode is not supported under DOS or Windows. It is supported under OS/2 on EISA-bus - Adaptec 1520A | User Guide - Page 25
Jumper Block J6 Host Adapter Configuration Extra Jumper SD SD SD IC IC DC DC SP Default Setting Pin Pair Description SD Set host adapter SCSI ID = ID 7D SD SD SD = ID 6 SD SD SD = ID 5 SD SD SD = ID 4 SD SD SD = ID 3 SD SD SD = ID 2 SD SD - Adaptec 1520A | User Guide - Page 26
AHA-1510A/20A Series User's Guide Jumper Block J7 The host adapter floppy controller is enabled when the jumper is installed on jumper block J7. = Floppy EnabledD = Floppy Disabled D Default setting Caution: If the host adapter floppy controller is enabled, you must disconnect all other floppy - Adaptec 1520A | User Guide - Page 27
Host Adapter Configuration Jumper Block J9 (AHA-1520A/1522A) I2 I1 I0 I9 AL J6 J4 BE Default port address 340h D = no jumper 140h = jumper (extra jumper provided) The host adapter BIOS supports booting only for the default port address of 340h. Set BIOS address location J6 J4 = C8000hCBFFFh - Adaptec 1520A | User Guide - Page 28
AHA-1510A/20A Series User's Guide Jumper Block J9 (AHA-1510A) I2 I1 I0 I9 AL Default Setting Pin Pair Description I2, I1, I0, I9 Set host adapter IRQ channel IRQ 12 = jumper I2 IRQ 11 D = - Adaptec 1520A | User Guide - Page 29
to disconnect, however, even if permitted by the host adapter (this can usually be configured on the SCSI device). Leave Enable Disconnection at its default value if the host adapter connects to two or more SCSI devices. This optimizes SCSI bus performance. If the host adapter connects to only one - Adaptec 1520A | User Guide - Page 30
AHA-1510A/20A Series User's Guide SCSI Termination The default termination setting AHA-1510A/20A Series host adapters is enabled. Disable termination for the host adapter if you attach SCSI devices to both the internal and external connectors. For more information on host adapter termination, see - Adaptec 1520A | User Guide - Page 31
Configuration ISA Port Address You probably will not need to change the port address, unless you are installing more than one SCSI Support, for information on modifying your ASPI Manager device driver. SCSI BIOS SCSI BIOS is enabled by default on the AHA-1520A/1522A host adapters. This means the SCSI - Adaptec 1520A | User Guide - Page 32
in your system, such as the controller on the motherboard or non-SCSI controllers. Enabling more than one floppy controllers can cause your system to hang. Optional Host Adapter Settings AHA-1520A/1522A host adapters also have the following optional configuration settings, which you should not - Adaptec 1520A | User Guide - Page 33
Host Adapter Configuration Fast SCSI This setting determines the maximum synchronous data transfer rate for the host adapter. The Fast SCSI maximum is 10.0 MBytes/sec. Some older SCSI-1 devices, however, do not support Fast SCSI data transfer rate. This may cause your computer to operate erratically - Adaptec 1520A | User Guide - Page 34
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change the configuration of the host adapter after it is installed unless you physically remove it from your computer. Host Adapter Layout The major AHA-1520A/1522A components, including the internal and external SCSI connectors, are shown in Figure 2-1 on page 2-2. The major AHA-1510A components - Adaptec 1520A | User Guide - Page 36
AHA-1510A/20A Series User's Guide Terminating the SCSI Bus A set of resistors called terminators must SCSI bus, if it is not already disabled. Terminating SCSI Devices Most SCSI disk drives, CD-ROM drives, and other SCSI devices have a jumper or a switch close to the SCSI connector that controls SCSI - Adaptec 1520A | User Guide - Page 37
how termination must be set on the host adapter for the three possible configurations of devices on the SCSI bus. If you need to change the termination setting, follow the instructions in Terminating the SCSI Bus on page 3-2. Devices Connected to Host Adapter Internal devices only (host adapter - Adaptec 1520A | User Guide - Page 38
AHA-1510A/20A Series User's Guide Termination for External Devices Only When only external devices are connected to the host adapter, the last device on the external chain of devices should - Adaptec 1520A | User Guide - Page 39
Leave the AHA-1510A/20A at the default, SCSI ID 7. - If you are installing Floptical drives, set them to SCSI IDs 2 through 6. - If you want to boot your computer from a SCSI hard disk drive, set the drive ID to 0. See the SCSI device documentation for instructions on changing the SCSI ID. Inserting - Adaptec 1520A | User Guide - Page 40
AHA-1510A/20A Series User's Guide 4 Ground yourself by touching an unpainted surface on the com- puter chassis, then carefully remove the host adapter from its package. 5 Position the host adapter directly over the slot. If your com- puter has a card guide to align the host adapter, be sure to - Adaptec 1520A | User Guide - Page 41
devices are connected by cables in one continuous line called the SCSI bus. Each host adapter on the AHA-1510A/20A implements a separate SCSI bus, supporting up to seven 8-bit devices. AHA-1510A/20A Series host adapters have an internal and external SCSI connector to which you can attach up to seven - Adaptec 1520A | User Guide - Page 42
AHA-1510A/20A Series User's Guide Connecting Internal SCSI Devices To connect an internal SCSI device to the host adapter, you need a 50-connector SCSI ribbon cable with a 50-pin internal connector. If you are attaching more than one internal device, the ribbon cable must have additional connectors. - Adaptec 1520A | User Guide - Page 43
on the ribbon cable, as shown in Figure 3-7. Pin 1 Colored stripe Internal SCSI device Figure 3-7. Internal SCSI Ribbon Cable to Internal SCSI Device Connecting External SCSI Devices You can daisy chain up to seven external SCSI devices to the external connector on the host adapter. Daisy chaining - Adaptec 1520A | User Guide - Page 44
AHA-1510A/20A Series User's Guide Follow these steps to connect external SCSI devices: 1 Attach the external SCSI cable to the external SCSI connector, as shown in Figure 3-9. External cable orientation is automatic since connectors can be plugged in only one way. External SCSI Connector External - Adaptec 1520A | User Guide - Page 45
connected, as shown in Figure 3-8. Connecting Floppy Drives (AHA-1522A only) The AHA-1522A floppy connector uses a 34-pin floppy ribbon cable with a 34-pin header connector. Be sure to maintain pin-1 orientation, as described in Connecting Internal SCSI Devices on page 3-8. 1 Connect the non-split - Adaptec 1520A | User Guide - Page 46
AHA-1510A/20A Series User's Guide 2 Connect the split end of the 34-pin floppy ribbon cable to the connector on the first floppy drive (A), as shown in Figure 3-12. Pin 1 - Adaptec 1520A | User Guide - Page 47
one floppy controller is enabled (AHA-1522A only) Many computers have floppy controllers on the motherboard or on a non-SCSI controller. Follow these SCSI devices and the computer. 3 Turn ON the power to all devices. 4 Boot the computer. See Chapter 5, Troubleshooting, if you encounter any problems - Adaptec 1520A | User Guide - Page 48
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the AHA-1520A/1522A host adapter Adaptec EZ-SCSI If you are running under DOS or Windows, Adaptec EZ-SCSI software makes driver installation easier than ever before. Adaptec EZ-SCSI is a menu-driven software package that configures your operating environment automatically. Adaptec EZ-SCSI includes - Adaptec 1520A | User Guide - Page 50
AHA-1510A/20A Series User's Guide To provide support for SCSI devices other than fixed disk devices and CD-ROM drives, check the hardware documentation for those devices. If the device requires ASPI support, you first need to run Adaptec EZ-SCSI to install an ASPI manager, and then install any other - Adaptec 1520A | User Guide - Page 51
an AHA-1510A/20A Series host adapter. If the information in this chapter does not solve your problems, contact your reseller for support. You can also leave questions on the Adaptec Bulletin Board Service (BBS) at the phone number listed in the front of this manual. Operating Problems Problem The - Adaptec 1520A | User Guide - Page 52
sure only one floppy controller is enabled in the system. Problem No software driver is installed for the host adapter. The system will not boot from the SCSI hard disk drive, and the Adaptec logo does not appear on the screen during booting (AHA-1520A/1522A only). This problem indicates that the - Adaptec 1520A | User Guide - Page 53
Troubleshooting Problem The aspi2dos ASPI manager is installed. The system will not boot from the SCSI hard disk drive, and command line options are required for AHA-1510A host adapter boards. See the EZ-SCSI User's Manual for details. Problem General difficulties using a SCSI drive as drive D with a - Adaptec 1520A | User Guide - Page 54
AHA-1510A/20A Series User's Guide Problem General problems using a SCSI drive as drive D with another SCSI drive as drive C. Action 1 Make sure that both standard hard disks are set to Not Installed or No Drive Installed with your CMOS Setup program. 2 Make sure that the SCSI drive that you want to - Adaptec 1520A | User Guide - Page 55
Troubleshooting Other Error Messages Host adapter SCSI drive capacity failed If the driver is unable to determine capacity for drives 0 through 7, contact the drive manufacturer. Low-level formatting may be needed. Failed to read master boot record Failed to read boot record This indicates problems - Adaptec 1520A | User Guide - Page 56
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support for all SCSI disk drive capacities under DOS, Adaptec has included an extended translation scheme for AHA-1520A/1522A host adapters. This feature supports using standard translation. For instructions on enabling extended translation, see Chapter 2, Host Adapter Configuration. Caution: Be sure - Adaptec 1520A | User Guide - Page 58
AHA-1510A/20A Series User's Guide Using Fdisk To install a new disk, or to repartition an existing disk, use the fdisk DOS utility adapter? AHA-1520A/1522A BIOS supports up to two hard drives. With additional software, the AHA-1520A/1522A can support up to 24 hard disks. See Adaptec EZ-SCSI on page - Adaptec 1520A | User Guide - Page 59
for instructions on how to set the SCSI ID on your Floptical drive. Floptical Diskettes and The Host Adapter The AHA-1520A/1522A BIOS supports standard 3.5-inch VHD (Very High Density) 21 MByte Floptical diskettes, without requiring driver software. The 3.5-inch Floptical drives also support 720 - Adaptec 1520A | User Guide - Page 60
AHA-1510A/20A Series User's Guide Floppy Device Drive Assignment Drives A and B are reserved of standard floppy drives installed in the system. A Floptical drive may be configured as the bootable A drive, with a standard (non-SCSI) floppy drive installed as floppy B. This is possible only if your - Adaptec 1520A | User Guide - Page 61
Floptical Drive Support VHD Format Adaptec EZ-SCSI includes the DOS vhdfmt utility for formatting Floptical VHD diskettes. The vhdfmt program is with standard non-VHD diskettes. See the EZ-SCSI User's Guide for more information about vhdfmt. Ì B-3 AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe- - Adaptec 1520A | User Guide - Page 62
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AHA-1510A/20A Series User’s Guide
Stock Number: 510400-00, Rev. C
Page: Front Cover
Print Spec Number: 491842-00
Current Date: 12/7/94
ECN Date: 11/29/94
User’s Guide
User’s Guide
AHA-1510A/1520A Series
ISA-to-SCSI Host Adapter