
5-68 FRU Removal and Replacement
5.5.29
DIO-II Motherboard Removal and Replacement (Model 400s)
To remove the DIO-II motherboard, refer to Figure 5-44 and follow these steps:
1. Remove the top and side covers, CPU board with plate, all DIO-II boards, DIO-
II card cage and center wall, and the right trim plate.
2. Disconnect all cable connectors from the component side of the motherboard.
3. Remove the mass storage cover plate on the left side of the chassis.
4. Remove the lower mass storage mounting screws from the right side of the chas-
sis and pull the mass storage device out four inches.
5. Disconnect the mass storage power distribution and SCSI cable from the back of
the motherboard.
6. Remove the five screws that hold the motherboard to the chassis and to the 3-slot
DIO-II card cage front wall.
7. Remove the motherboard by sliding it to the right so that its mounting pins clear
their holes. Then, pull it out.
Follow these steps to replace the DIO-II motherboard:
1. Position the motherboard by placing it on its mounting pins. Then slide it to the
left so that its tabs fit into their slots in the chassis. Ensure that the LED board
ribbon cable and power switch cables are clear of the motherboard.
2. Install the five motherboard screws to hold the motherboard to the chassis and
the 3-slot DIO-II card cage front wall.
3. Connect the mass storage power distribution and SCSI cable to their connectors
on the back of the motherboard.
4. Reinstall the lower mass storage device.
5. Reinstall the mass storage cover plate.
6. Reconnect all cable connectors to the component side of the motherboard.
7. Replace the remaining assemblies.
Summary of Contents for Apollo 9000 400dl
Page 4: ...iv VCCI Class 1 ITE Equipment VCCI Class 2 ITE Equipment ...
Page 6: ...vi ...
Page 22: ......
Page 26: ...1 4 Product Overview Figure 1 1 HP Apollo Model 400t or Model 400dl Workstation ...
Page 40: ......
Page 42: ...2 2 System Controls Figure 2 1 Model 400t and 400dl System ...
Page 54: ...3 4 Theory of Operation Figure 3 1 Model 400t System Block Diagram ...
Page 55: ...Theory of Operation 3 5 Figure 3 2 Model 400dl System Block Diagram ...
Page 57: ...Theory of Operation 3 7 Figure 3 4 Model 400s DIO II System Unit Functional Block Diagram ...
Page 58: ...3 8 Theory of Operation Figure 3 5 Model 400s ISA System Unit Functional Block Diagram ...
Page 70: ...3 20 Theory of Operation Figure 3 6 Model 400s System Unit Power Distribution Diagram ...
Page 74: ...4 4 Fault Isolation Figure 4 1 Main Flowchart ...
Page 75: ...Fault Isolation 4 5 Figure 4 1 Main Flowchart Cont ...
Page 76: ...4 6 Fault Isolation Figure 4 2 Model 400t and 400dl System Power LED Not On ...
Page 77: ...Fault Isolation 4 7 Figure 4 3 Model 400s System Power LED Not On ...
Page 78: ...4 8 Fault Isolation Figure 4 4 Domain Keyboard Problems ...
Page 79: ...Fault Isolation 4 9 Figure 4 5 Problems with Display ...
Page 80: ...4 10 Fault Isolation Figure 4 6 Diskless Node Partnering Problems ...
Page 81: ...Fault Isolation 4 11 Figure 4 7 Problems with Winchester Disk ...
Page 82: ...4 12 Fault Isolation Figure 4 8 Problems While Booting ...
Page 83: ...Fault Isolation 4 13 Figure 4 9 Node Causes Network Problems ...
Page 86: ...4 16 Fault Isolation Figure 4 10 Diagnostic Relationships for Domain OS Compatible Mode ...
Page 99: ...Fault Isolation 4 29 Figure 4 13 HP UX Compatible Mode Main Troubleshooting Flowchart ...
Page 100: ...4 30 Fault Isolation Figure 4 14 HP UX Compatible Mode Boot Flowchart ...
Page 101: ...Fault Isolation 4 31 Figure 4 14 HP UX Compatible Mode Boot Flowchart Cont ...
Page 131: ...Fault Isolation 4 61 Figure 4 17 System Unit Cover Removal Model 400t and Model 400dl ...
Page 132: ...4 62 Fault Isolation Figure 4 18 Power Connections Model 400t and Model 400dl ...
Page 148: ......
Page 151: ...FRU Removal and Replacement 5 3 Figure 5 1 System Unit Cover Removal Model 400t and 400dl ...
Page 152: ...5 4 FRU Removal and Replacement Figure 5 2 System Components Model 400t and 400dl ...
Page 181: ...FRU Removal and Replacement 5 33 Figure 5 26 Model 400s Front Door Removal ...
Page 183: ...FRU Removal and Replacement 5 35 Figure 5 27 Model 400s Bezel Removal ...
Page 193: ...FRU Removal and Replacement 5 45 Figure 5 34 Model 400s ISA Backplane Removal ...
Page 195: ...FRU Removal and Replacement 5 47 Figure 5 35 Model 400s ISA Card Cage Removal ...
Page 205: ...FRU Removal and Replacement 5 57 Figure 5 40 Model 400s Memory Board Removal ...
Page 209: ...FRU Removal and Replacement 5 61 Figure 5 43 Model 400s ISA Center Wall Removal ...
Page 211: ...FRU Removal and Replacement 5 63 Figure 5 44 Model 400s Standard ISA Motherboard Removal ...
Page 213: ...FRU Removal and Replacement 5 65 Figure 5 45 Model 400s 3 Slot DIO II Card Cage Removal ...
Page 215: ...FRU Removal and Replacement 5 67 Figure 5 46 Model 400s DIO II Center Wall Removal ...
Page 217: ...FRU Removal and Replacement 5 69 Figure 5 47 Model 400s DIO II Motherboard Removal ...
Page 221: ...FRU Removal and Replacement 5 73 Figure 5 49 Model 400s LED Board Removal ...
Page 234: ......
Page 236: ...A 2 FRU Configurations Figure A 1 CPU Board Configurations ...
Page 240: ...A 6 FRU Configurations Figure A 5 Alternate 802 5 Network Controller AT Jumper Configuration ...
Page 282: ......