Service manual

iv Contents
3.4.1 Setting the Password ............................. 29
3.4.2 Enabling the Password Feature ..................... 30
3.4.3 Placing the Workstation in Privileged Mode ........... 30
3.4.4 Learning the Status of the Password Feature . . . ....... 31
3.4.5 Exiting Privileged Mode . . . ........................ 31
3.5 Utility Differences for the Model 76 .................... 31
4 VAXstation 3100 (Model 76) System
4.1 System Contents . . ................................ 33
4.2 FRU Removal and Replacement....................... 36
4.2.1 System Box Cover Removal ........................ 39
4.2.2 RZ22, RZ23, RZ23L, or RZ24 Disk Drive Removal ...... 41
4.2.3 RX23 Disk Drive Removal ........................ 50
4.2.4 SCSI/FDI Adapter Removal ........................ 52
4.2.5 Drive Plate Removal ............................. 55
4.2.6 Graphics Coprocessor Module Removal ............... 60
4.2.6.1 Graphics Coprocessor Module 60Hz/66Hz Selection .... 61
4.2.7 Memory SIMM Removal . . ........................ 62
4.2.8 System Module Removal . . ........................ 64
4.2.9 Internal SCSI Bus Data Cable Removal .............. 68
4.2.10 Power Supply Removal . . . ........................ 69
4.2.11 Keyboard Removal ............................... 70
4.2.12 Mouse Removal . ................................ 72
4.2.13 Printer Removal . ................................ 72
A Recommended Spares List
B Self-Tests
B.1 Console’s Configuration Display Utility (T 50) ............ 77
B.2 NI (test 1) ....................................... 77
B.2.1 TEST 1: ....................................... 78
B.2.2 TEST 2: ....................................... 78
B.2.3 TEST 3: ....................................... 78
B.2.4 TEST 4: ....................................... 79
B.2.5 TEST 5: ....................................... 79