Digital Equipment DECstation 5000/100 Series, Maintenance Manual

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Figures
1-1 Possible system hardware configurations . . . . . . . . . . . . . . . . . 1–2
1-2 System unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
1-3 System unit controls and indicators . . . . . . . . . . . . . . . . . . . . . . 1–5
1-4 System unit connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7
1-5 Memory and expansion slots on the system module . . . . . . . . 1–8
2-1 How to use an antistatic kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
2-2 Connecting an alternate terminal . . . . . . . . . . . . . . . . . . . . . . . . 2–4
2-3 How to remove and install the system unit cover . . . . . . . . . . 2–5
2-4
How to remove and install a ThickWire loopback
connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7
2-5 How to remove and install a communications loopback
connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2-6 How to remove and install a SCSI chain terminator . . . . . . . . 2–10
2-7 How to remove and install a communications line adapter . . 2–11
2-8 How to remove and install a SCSI controller terminator . . . . 2–12
2-9 How to insert and remove a clear-NVR jumper . . . . . . . . . . . . 2–17
2-10 System Boot ROM Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–19
3-1 Slot numbers for system hardware . . . . . . . . . . . . . . . . . . . . . . . 3–3
4-1 Troubleshooting procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2
4-2 Troubleshooting when the LED display is 1111 1111,
0011 1111, 0011 1110, or 0011 1101 . . . . . . . . . . . . . . . . . . . . . . 4–6
4-3
Troubleshooting when the LED display is 0011 0110 . . . . . . .
4–8
4-4 Troubleshooting when the LED display is 0010 0011,
0001 0011, 0000 0011, or 0000 0000 . . . . . . . . . . . . . . . . . . . . . 4–9
4-5 Troubleshooting when the monitor has no display . . . . . . . . . . 4–12
4-6 Troubleshooting when hardware does not appear in the cnfg
display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–22
4-7 Troubleshooting memory modules . . . . . . . . . . . . . . . . . . . . . . . . 4–25
4-8 Troubleshooting SCSI controllers and devices . . . . . . . . . . . . . 4–27
4-9 Troubleshooting an Ethernet controller . . . . . . . . . . . . . . . . . . . 4–30
4-10 Troubleshooting a printer, modem, or other serial line
device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–33
4-11 Troubleshooting when the system unit has no power . . . . . . . 4–38
4-12 System module power cord connections . . . . . . . . . . . . . . . . . . . 4–39
4-13
Troubleshooting if the system unit overheats . . . . . . . . . . . . . .
4–40
4-14 Checking the fan assembly power cord connection . . . . . . . . . 4–41
4-15 Troubleshooting the keyboard and mouse . . . . . . . . . . . . . . . . . 4–42
4-16 Troubleshooting the keyboard and mouse . . . . . . . . . . . . . . . . . 4–43
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