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AHA-2742
Adaptec AHA-2742 Manuals
Manuals and User Guides for Adaptec AHA-2742. We have
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Adaptec AHA-2742 manuals available for free PDF download: User Manual, Installation Manual
Adaptec AHA-2742 User Manual (133 pages)
Single-Channel & TwinChannel EISA-to-Fast SCSI Host Adapters
Brand:
Adaptec
| Category:
Host Adapter
| Size: 0.5 MB
Table of Contents
Table of Contents
7
Preface
13
Inside this Manual
13
Conventions
14
Advisories
15
Introduction
18
About this Chapter
18
Overview
20
The AHA-2740 Series of Host Adapters
20
Features
21
Fast Data Transfer Rates
21
Maximum Off-Loading the Host CPU
21
Fully Disk Array Capable
22
Advanced Fast SCSI-2 Implementation
22
Multiple Device and Applications Support
22
Board Layout
23
Figure 1-1. Host Adapter Board Layout
23
Default Settings
24
Table 1-1. Host Adapter Components
24
Table 1-2. Host Adapter Default Settings
24
The On-Board Floppy Controller (AHA-2742/2742T Only)
25
Unpacking and Inspection
25
Adaptec Technical Support
26
Getting Started
28
About this Chapter
28
Installation Overview
30
The Host Adapter and the SCSI Bus
31
Quick Installation
32
Prepare Your SCSI Devices
32
Install Your Host Adapter and Peripherals
33
Configure the Host Adapter
34
Installation
35
Figure 2-1. Connectors on the Host Adapter
35
Figure 2-2. Internal and External Devices
36
Table 2-1. SCSI Device and AHA Configuration
36
Termination on the SCSI Bus
36
Figure 2-3. Internal Devices Only
37
Figure 2-4. External Devices Only
37
SCSI ID Setting
39
Board Installation
40
Figure 2-5. SCSI LED Connector
41
SCSI Bus Activity LED Connector
41
Connecting Peripherals
42
Figure 2-6. Connecting Cable to Internal Connector
44
Figure 2-7. Connecting Cable to SCSI Device
44
Figure 2-8. Connecting a Second Internal SCSI Device
45
Figure 2-10. Connecting External Cable to SCSI Device
46
Figure 2-9. Connecting External Cable to Host Adapter
46
Figure 2-11. Connecting Multiple External SCSI Devices
47
Figure 2-12. Connecting Floppy Cable to Host Adapter
48
Figure 2-13. Connecting Floppy Cable to Floppy Drive
49
Figure 2-14. Connecting a Second Floppy Drive
49
Before Re-Booting Your System
50
Reassemble the System
50
Configuring the Host Adapter
52
About this Chapter
52
The EISA Configuration Utility
54
Run the EISA Configuration Utility
55
Copy Configuration and Overlay Files
55
Select the Host Adapter
55
Configure the Host Adapter Parameters
56
Figure 3-1. Host Adapter Parameters
56
Figure 3-2. Selecting Interrupt Level
57
Figure 3-3. Selecting Bus Release Time
58
Figure 3-4. Selecting Data FIFO Threshold
58
Figure 3-5. Selecting Host Adapter BIOS Base Address
59
Figure 3-6. Selecting Host Adapter SCSI ID
60
Figure 3-7. Selecting SCSI Bus Parity
61
Figure 3-8. Selecting SCSI Selection Timeout
62
Figure 3-9. Selecting SCSI Bus Reset at Power-On
62
BIOS and Device Configuration
63
Figure 3-10. Configuring SCSI Bus Termination
63
Figure 3-11. BIOS and Device Configuration
63
Figure 3-12. BIOS Configuration Selection
64
Figure 3-13. SCSI Device Configuration
66
Exit the EISA Configuration Utility
70
Utilities
70
Figure 3-14. Exiting SCSI Device Configuration
70
Disk Format Utility
71
Figure 3-15. Utility Selection
71
Host Adapter Diagnostic Utility
72
Troubleshooting
74
About this Chapter
74
SCSI Troubleshooting Checklist
76
Problems and Solutions
77
Conflicts with Other Options
80
Appendices
82
Specifications
82
About this Appendix
82
Technical Information
84
Product Specifications
84
Extended Industry-Standard Architecture Interface
85
SCSI Interface
85
Electrical Interface
85
Table A-1. Standard EISA Bus Electronic and
85
Table A-2. Output Signals
85
Table A-3. Input Signals
86
Table A-4. Internal Connector Pin Assignments
87
Table A-5. External Connector Pin Assignments
88
Floppy Disk Interface
89
Standard Electronic and Physical Interface
89
Connector
89
Table A-6. Output and Input Signals
89
I/O Operating Environment
90
About this Appendix
90
Host Adapter Support
92
Dos/Windows
92
Optimizing Performance
94
About this Appendix
94
Performance Tips
96
Enabling Synchronous Negotiation
96
Disabling the Host Adapter BIOS
96
Enabling SCSI Bus Parity
97
Setting Enable Disconnection
97
Send Start Unit Command
97
Dos/Windows Performance
98
Disk Drives over 1 Gigabyte
100
About this Appendix
100
Extended Translation (Using DOS 5.0
102
The DOS 1 Gigabyte Limit
102
When to Use Extended Translation
103
With DOS Version 5 Only
103
Drives with Mixed Partitions
103
Using Fdisk
103
Questions and Answers about Extended Translation
104
Glossary
106
Index
118
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Adaptec AHA-2742 Installation Manual (4 pages)
Single-Channel & TwinChannel EISA-to-Fast SCSI Host Adapters
Brand:
Adaptec
| Category:
Host Adapter
| Size: 0.06 MB
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