Alpha 1000A Specifications Page 186
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9-10 • Quick Reference AlphaServer 1000A Owner's Guide
SCSI Port Connector
The external, narrow SCSI connector is a 50-pin high-density connector. Table 9-5
lists the pin assignments.
Table 9-5 SCSI Port Pinouts
Pin Signal Pin Signal
1 GND 26 -DB (0)
2 GND 27 -DB (1)
3 GND 28 -DB (2)
4 GND 29 -DB (3)
5 GND 30 -DB (4)
6 GND 31 -DB (5)
7 GND 32 -DB (6)
8 GND 33 -DB (7)
9 GND 34 -DB (P)
10 GND 35 GND
11 GND 36 GND
12 RESERVED 37 RESERVED
13 OPEN 38 TERMPWR
14 RESERVED 39 RESERVED
15 GND 40 GND
16 GND 41 -ATN
17 GND 42 GND
18 GND 43 -BSY
19 GND 44 -ACK
20 GND 45 -RST
21 GND 46 -MSG
22 GND 47 -SEL
23 GND 48 -CD
24 GND 49 -REQ
25 GND 50 -I/O
- AlphaServer 1000A 1
- Owner's Guide 1
- February 1996 2
- October 1996 2
- ACOUSTIC DECLARATION: 3
- Contents 5
- About This Guide 11
- Organization 12
- Conventions 13
- Related Documentation 14
- 1 Overview 15
- Supported Operating Systems 16
- System Console Firmware 16
- System Features 18
- Server Management 19
- System Security 19
- 8 9 10 11 20
- Front Panel Switches 22
- Rear Panel Ports and Slots 23
- Internal System Options 24
- PCI, EISA, and ISA Options 25
- Memory Options 25
- External Options 26
- Ordering Options 26
- 2 Hardware Installation 27
- Selecting a System Location 28
- Power Requirements 29
- Identifying Accessories 30
- Optional Accessories 31
- Verifying Hardware Setup 33
- Locking Your System 34
- Key Number 35
- Location 35
- Introduction 37
- Updating the Firmware 39
- Preparing Your Hard Disk 41
- Installation Preparation 43
- Installing Digital UNIX 44
- Preparing the System 44
- Preparing Software Components 45
- Installing OpenVMS Alpha 46
- 4 Basic Operation 47
- On/Off Switch In 48
- ("On" Position) 48
- On/Off Switch Out 48
- ("Off" Position) 48
- Turning the System Off 49
- Interpreting Startup Messages 51
- Using the Consoles 53
- When to Switch Consoles 54
- >>> set os_type nt 55
- Boot Menu Functions 56
- Supplementary Menu Functions 56
- Setup Menu Functions 57
- Basic Commands 57
- Caution: 58
- SRM Console Security Features 59
- The login Command 60
- The clear password Command 61
- Setup Menu 62
- Setup Menu Help 63
- Booting the Operating System 65
- Verify Your Configuration 68
- Booting Windows NT 69
- Using Storage Drives 72
- Figure 4-2 Storage Devices 73
- Using a Diskette Drive 74
- Using a CDROM Drive 75
- Caring for Your System 78
- Cleaning Your Keyboard 79
- Moving Your System 79
- Packing Your System 79
- 5 Installing and Removing 81
- Components 81
- Required Equipment 82
- Antistatic Precautions 82
- Top Cover and Side Panels 83
- Top Cover 84
- Release Latch 84
- Memory Modules 86
- Removing Memory Modules 87
- Installing Memory Modules 88
- Installing an Option Card 91
- Removing an Option Card 93
- Cover and Side Panels." 94
- Identifying the Drive Bays 97
- Installing a Tape Drive 98
- Removing a Tape Drive 99
- Installing a CDROM Drive 100
- Removing a CDROM Drive 100
- Data Cable 101
- Power Cable 101
- Installing a Diskette Drive 102
- Removing a Diskette Drive 103
- Power Supply 104
- Removing the Power Supply 106
- CPU Card 107
- Installing the CPU Card 108
- 6 Configuring 109
- The show config Command 112
- >>> 114
- The show device Command 116
- The show memory Command 117
- The set and show Commands 117
- Options: 118
- Figure 6-2 Memory Banks 119
- Network Connections 120
- Keyboard Type 121
- EISA and ISA Options 122
- Before You Run the ECU 125
- Configuring EISA Options 126
- Configuring ISA Options 128
- PCI Option Cards 130
- Storage Devices 131
- SCSI Device Configurations 133
- Optional 136
- Terminator 136
- Dual-Controller Configuration 138
- 7 Upgrading 149
- Access from the Internet 151
- Upgrade Options 152
- APU-> update 154
- APU-> verify 154
- 8 Troubleshooting 157
- Troubleshooting Overview 158
- System Diagnostics 159
- Reading the Console Event Log 160
- The test Command 160
- The show_status Command 162
- Power Problems 163
- Console Problems 163
- Boot Problems 165
- Storage Problems 168
- Option Card Problems 170
- Monitor and Terminal Problems 171
- Possible Cause Action 172
- Keyboard and Mouse Problems 173
- Printer Problems 173
- Overheating Problems 174
- RAID Device Problems 174
- Using the Fail-Safe Loader 175
- 9 Quick Reference 177
- Hardware Overview 178
- System Rear View 179
- System Side View 180
- ECC Banks 182
- Port Pinouts 183
- Parallel Port Connector 184
- Serial Port Connectors 185
- SCSI Port Connector 186
- Indicator Lights 187
- VGA Enable (J27) 189
- Large Fan (J16) 189
- Model 4/266 190
- Model 4/233 191
- A2 A1 A0 WS EP SS 192
- SCSI ID Settings 193
- Specifications 196
- System Architecture 198
- Glossary of Terms 199
- Windows NT 211
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