Service manual

vi Contents
Examples
1–1 Power-Up Tests Screen Display ....................... 2
1–2 Power-Up Tests with Errors . . ........................ 2
1–3 Configuration Table (T 50) . . . ........................ 4
1–4 Running a Self-Test on a SCSI Bus .................... 5
2–1 MEM Error Display in the Configuration Table ........... 11
2–2 Self-Test Results on the SCSI-A or SCSI-B Bus . . . ....... 13
2–3 System Exerciser Results for the SCSI-A Bus ............ 16
3–1 Formatting an RX23 Diskette ........................ 21
3–2 PV_SCS_FMT_ERR# Error Code Breakdown............. 23
3–3 Creating the Special Key on a Diskette . . ............... 26
Figures
2–1 Power Connector Pin Voltages on the System Module ...... 17
3–1 Time-of-Year Chip . ................................ 28
4–1 VAXstation 3100 Model 76 System Box . . ............... 35
4–2 FRU Locations .................................... 39
4–3 Cover Screw Locations .............................. 40
4–4 Configuration 1 . . . ................................ 41
4–5 Configuration 2 . . . ................................ 42
4–6 Removing a Disk Drive from Position 1 . . ............... 43
4–7 Removing a Disk Drive from Position 2 . . ............... 44
4–8 Removing an RZ22/RZ23/RZ23L Disk Power and SCSI
Cables . . ........................................ 45
4–9 Removing Drive Module/Frame ....................... 46
4–10 Setting the SCSI ID on the RZ22, RZ23, and RZ23L ...... 48
4–11 Setting the SCSI ID on the RZ24 ...................... 49
4–12 Removing an RX23 Disk Drive........................ 50
4–13 Removing an RX23 Disk Drive Power and SCSI Cables .... 51
4–14 SCSI ID Switch Location ............................ 53
4–15 SCSI/FDI Module Location . . ........................ 54
4–16 Removing the Drive Plate . . . ........................ 56
4–17 External SCSI Access Panel . . ........................ 57
4–18 SCSI Terminator . . ................................ 58
4–19 Replacing the Drive Plate . . . ........................ 59
4–20 Removing the Graphics Coprocessor Module ............. 60