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FT
Subsystems
Chapter 7 - Replaceable Units
Installing Bus Controllers in a FT Resource Subsystem
Installing Bus Controllers in an ISA FT Server or Expansion Subsystem
Front Control/Display Panel - (PCB No 3850)
MUX/PA Interface PC Assembly - (PCB No 3840)
Auxiliary Junction Panel
Power Supply
Multiplexor PC Assembly
FT Subsystem Fans
Disk Drive
ERS/FT Subsystem Reconfiguration
Installation of PA3030 Supervisor in PA Ready ERS/FT Subsystem
Cubix provides a passive ISA or EISA compatible backplane in all FT Resource Subsystems consisting of slots divided into groups, for a total of 16 slots. (A group consists of backplane slots electrically connected together.)
The groups are identified as "Group 1", "Group 2", etc.
When installing a Cubix ISA BC Series processor, the BC Series board should be installed in the leftmost slot of the Group (i.e. away from the power supply).
When installing a Cubix EISA BC Series processor, the processor must be installed in an EISA master slot. Refer to Figure 2-4b, 2-4c, 2-4d, or 2-4e for master slot locations.
CAUTION: Always place the insulating barrier (Cubix eng no 300-S06710) between the PCB to be removed and an adjacent PCB that still has power on. (This insulating barrier is designed to be stored on the left hand side of the subsystem). Do NOT drop any tools or hardware into the processor section.
Installation/Replacement Instructions:
1. Remove the cover from the unit.
2. Turn off power to the group or groups to be serviced. Check group and slot power indicator lamps to be sure power is off to all slots in the groups to be serviced.
Note: The group power indicators are located adjacent to each group switch. The slot indicators are located on the rear of the backplane, near the "L" bracket.
3. Disconnect the 40-pin ribbon cable from the top edge of the BC processor being replaced. (HDD data cable)
4. Disconnect the 34 and 14 pin ribbon cables (FDD data and Video/KB cables) from the processor being replaced.
Release tab on connector housing must be pressed when removing locking connector cables.
5. Disconnect the 3 and 5 pin locking cables (Mouse and BC Control cables) from the processor being replaced.
6. If replacing an existing BC Series processor, disengage the retaining screw from the BC "L" bracket and remove the BC board.
7. If adding a new BC Series processor, disengage the screw securing the blank "L" bracket from the rear I/O panel in line with the vacant slot desired. Remove the "L" bracket.
8. Install one Cubix BC Series bus controller board into each group as desired. Secure each board with the screw located in the "L" bracket.
9. Connect the cables between the BC Series board and the multiplexor panel. The multiplexor panel connectors are documented in Appendix F of this manual; the BC Series connectors are defined in the documentation provided with the BC Series processor.
10. Verify that a monitor and keyboard are connected to the FT Subsystem. Turn on the power to the group.
11. Run the setup program on each BC Series processor. Refer to the setup documentation provided with the BC board.
12. Turn off the group power.
** WARNING ** Only boards with "captive" screws (screws that cannot be removed or fall out) in the "L" brackets should be installed or removed while subsystem has power connected.
13. Install any other peripheral boards.
The primary differences between the FT Resource Subsystem and the Server & Expansion Subsystems is the ISA backplane. ISA Server and Expansion Subsystems have a backplane consisting of 14 slots plus 2 slots for a total of 16 slots (a shunt board is usually installed resulting in a contiguous 16 slot backplane). This backplane has no provisions for switching group power. Therefore, it is necessary to always power down the Server and Expansion Subsystems when servicing them using the AC primary switches at the rear of the subsystem.
(located on the front power supply side of the subsystem)
Replacement Instructions:
1. Turn off power and remove both power cords.
2. Remove the top cover.
3. Remove power supply # 2 (front power supply).
4. Remove the three screws on backside of the Control/Display panel.
5. Disconnect the three cables on the Control/Display panel.
6. Install new Control/Display panel in reverse order.
(located on the rear power supply side of the subsystem)
Replacement Instructions:
1. Turn off power and remove both power cords.
2. Remove power supply #1 (rear power supply).
3. Remove external cables from MUX/PA Interface PC Assembly.
4. Disconnect internal ribbon cables from MUX/PA Interface board.
5. Remove six D-sub lock screws.
6. Remove old MUX/PA Interface board.
7. Install new MUX/PA Interface board w/six D-sub lock screws.
8. Reinstall cables, power supply and power cords.
(located on the rear immediately above the L-brackets)
To install an auxiliary junction panel:
1. Turn off power to the Cubix Resource Subsystem.
2. Remove the top cover.
3. Remove eight screws holding the blank panel at top of rear I/O panel.
4. Using the same screws, attach the new auxiliary junction panel to rear I/O panel.
To install Cubix Adapter Boards into the Auxiliary Junction Panel (refer to the adapter board's documentation for installation instructions specific to the product you have):
1. Using the screws on the connector housing on the Cubix I/O adapter board, attach the adapter board to the auxiliary junction panel directly above the processor card it will service.
2. Attach the I/O adapter board to the internal header on the Cubix processor board. Refer to the documentation provided with the processor board for installation instructions.
Replacement Instructions:
1. Remove the top cover.
2. Turn AC power off at the rear of the FT unit (Note: This is recommended for safety purposes).
3. Disengage power supply by loosening the Power Supply safety latch (small screw on top of power supply case).
4. Lift handle and remove power supply.
5. Install new power supply.
6. Engage power supply by tightening the Power Supply safety latch (small screw on top of power supply case).
! Wait approximately one minute after powering down the FT power supply to permit all components to discharge before powering up the unit.
(PCB No 3810 and 3960) or (PCB No 4070 and 4200)
Replacement Instructions:
1. Turn off power and remove both power cords from the subsystem.
2. Remove the top cover.
3. Remove the front panel by removing the three 6-32 flat head screws from each end of the front panel.
4. Disconnect all BC processor cables from Multiplexor panel.
5. Disconnect the 20- and 26-pin ribbon cable (if present) from Power Supply backplane directly below Multiplexor assembly at power supply divider panel.
6. Disconnect the 34-pin ribbon cable from shared floppy disk drive.
7. Disconnect the four-wire power cable from Multiplexor interface board.
8. Disconnect battery, fan, IES signal, and speaker cables from Multiplexor Interface board.
9. Remove the four 6-32 screws securing the Battery/Speaker mounting bracket and remove bracket.
10. Remove the two 6-32 screws securing the multiplexor interface PC assembly and remove the multiplexor interface board.
11. Remove the two 6-32 screws and the six male/female spacers from back side of Multiplexor board.
12. While removing Multiplexor board from metal assembly, remove the 16-pin ribbon cable from right end of Multiplexor board and the 10-pin ribbon cable from the bottom edge at the left side of the multiplexor board.
13. Remove old Multiplexor board.
14. Disconnect remaining cables (20, 26, and 34 pin ribbon cables) and replace in same position on new Multiplexor board assembly.
15. Install new board in reverse order.
Replacement Instructions:
1. Remove the top cover.
2. Raise the fan door assembly.
3. Disconnect fan cable from Multiplexor Interface board.
4. Remove the four screws and nuts securing fan guards and fan.
5. Remove old fan.
6. Install new fan in reverse order.
When adding a disk drive, install the drive in the same numbered position as the group the drive will service.
Installation/Replacement Instructions for Standard 3.5" Drive Bay:
1. Remove the top cover.
2. Power down the group to be serviced.
3. Raise the fan door.
4. If replacing a drive, disconnect the power connector and the ribbon cable from the drive.
*** DO NOT JAR OR SHOCK ACTIVE DRIVES. BUMPING OF ANY POWERED DRIVES MAY CAUSE DATA LOSS AND/OR DISK DRIVE DAMAGE!
5. Remove the top Disk Drive Support.
6. Remove the old drive.
7. If replacing a drive, remove the three screws and spacers located on the old drive and put two locating screws and spacers on the bottom edge and one on the top edge of the new drive.
8. Install the drive into the disk drive support bracket in line with the processor it will be connected to. Seat the drive by placing the two lower locating screws into the holes in the bottom disk support bracket.
9. Replace the top Disk Drive Support and secure.
10. Connect the correct drive power and data cables. Connect the hard drive data cable directly to the BC Series board. Connect the power cable to the power source on the FT backplane in the corresponding group receptacle that the drive will service.
11. Close fan door.
12. Power on the group.
13. Replace top cover.
Installation/Replacement Instructions for Dual 2.5" Drive Bay:
1. Remove the top cover.
2. Power down the group to be serviced.
3. Raise the fan door.
4. If replacing a drive, disconnect the power connector and the ribbon cable from the drive.
If replacing a 2.5" drive, disconnect both 44-pin ribbon cables from the drive.
*** DO NOT JAR OR SHOCK ACTIVE DRIVES. BUMPING OF ANY POWERED DRIVES MAY CAUSE DATA LOSS AND/OR DISK DRIVE DAMAGE!
5. Remove the top Disk Drive Support.
6. Remove the old drive bracket plate.
7. If replacing a drive, remove the four screws securing the drive to the bracket plate and secure the new drive to the bracket plate with them.
8. Install the drive into the disk drive support bracket in line with the processor it will be connected to. Seat the drive by placing the two lower locating pins on the drive bracket plate into the holes in the bottom disk support bracket.
9. Replace the top Disk Drive Support and secure.
10. Connect the correct drive data cables on 3.5" drives and data cables only on 2.5" drives. For 3.5" drives, connect the hard drive data cable directly to the BC Series board. Connect the power cable to the power source on the FT backplane in the corresponding group receptacle that the drive will service.
11. Close fan door.
12. Power on the group.
13. Replace top cover.
The dual CMOS Battery packs for the BC Series processors are mounted on the backside of the Multiplexor PC assembly underneath the fan housing.
Replacement Instructions:
1. Remove the top cover.
2. Lift the upper fan housing cover.
3. Unplug the battery pack to be replaced.
4. Undo the two thumb screws from the cover that secure the battery cover to the housing.
5. Remove the batteries from the battery housing.
6. Install four new AA alkaline batteries in the battery pack, observing the proper polarity. Reinstall the battery housing, plug in the battery cable, and reassemble the subsystem.
7. Depress the battery test pushbutton to ensure they are working properly.
To reconfigure ERS/FT Resource Subsystem, contact Cubix to purchase the Reconfiguration kit if you do not already have one. DO NOT begin this without the reconfiguration kit. (Note: This section pertains only to the ISA Backplane, 8x2 with 7 shunts, PCB #3940 and to EISA/ISA PCBs #4130 and 3920. Refer to Appendix A for the summary of configuration options.)
1. Choose configuration. (See Appendix A)
2. Turn off power to subsystem and remove power cords.
3. Remove top cover.
4. Remove the two 6-32 screws on the existing group power switch panel.
5. Turn off all group power switches.
6. Install new group power switch panel to match the new configuration (group switch panels are part of configuration kit).
7. Insert shunt cards (PCB #3900) in each shunt connector appropriate for the desired configuration. Refer to Figure 7-1. Example: Configuration 6+6+2+2 requires shunt cards in the shunt connectors between slots 2&3, 4&5, 8&9, 10&11.
SHUNTS MUST BE PUSHED DOWN FIRMLY UNTIL COMPLETELY SEATED. BE SURE THERE ARE NO SHUNT BOARDS LEFT IN INCORRECT SLOTS FROM PREVIOUS CONFIGURATIONS.
8. Install the BC Series Processor for each group desired.
Processor should be installed in the leftmost slot of each group (i.e. away from the power supply).
9. Install hard disk drives if desired. NOTE: It is important that the HDD DC power drive cable be plugged into the same "group" as the BC Series processor it will serve.
10. Connect the processor cables. See the BC Series Processor Installation Manual for cable installation instructions.
11. Set Multiplexor Group Select Switches. These are the eight DIP switches located on the left hand side of the multiplexor interface PCB (PCB #A04200). See Table 7-1 for the switch settings for your configuration.
12. Replace power cords and turn on subsystem. All group and slot LEDs should be off. If they are not, turn off power to the subsystem and repeat steps 4 and 5.
13. Turn on first group power switch and verify that the group power LED is on.
14. Check to see that the slot light for each slot in that group is on. Verify that no slot LEDs outside the selected group are on. If too many or not enough slot LEDs are on, the shunt boards are probably not in the correct places. Repeat step 7.
15. Turn off group switch.
16. Repeat steps 12-14 for each group.
17. Turn on all group power switches.
18. Enable the multiplexor and verify that the 7 segment display counts the correct number of groups for the configuration you have selected.
19. Turn off power to subsystem.
20. Install any other peripheral boards.
21. Replace top cover.
1. Remove top cover.
2 Turn off the right most Power Group Switch which is associated with slot 15.
3. Prepare 3-1/2'' floppy disk drive (FDD) for installation by installing the two locating screws and spacers on the bottom edge and one on the top edge of the disk drive.
4. Raise Fan door.
5. Connect DC floppy disk drive power cable to the end (power supply side) "Disk Drive Power" connector on the Subsystem backplane.
6. Feed 34 pin ribbon cable (FDD Data cable) under Multiplexor assembly between slot 15 and 16.
7. Remove FDD filler panel from front cover.
8. Remove top Disk Drive Support and install floppy disk drive in the last drive slot (power supply side).
9. Replace top Disk Drive Support and secure.
10. Connect DC power cable and 34 pin ribbon cable to FDD.
11. Close fan door.
12. Remove blank filler panel from Rear I/O panel for slot 15.
13. Insert PCB Shorting Shield "Hot Swap Shield" if boards in adjacent slots are active.
14. Install PA3030 Processor Alert board into slot 15 (34 pin floppy ribbon cable should be on the power supply side of the PA3030 board).
15. Tighten retaining Screw on "L" bracket.
16. Connect 34 pin ribbon cable to PA3030 board (check for proper polarity).
17. Disconnect 26 pin Ribbon cable from Multiplexor (located at the far right end of the Multiplexor PCB) and plug into "Port # 4" of the PA3030 processor located on the top edge of the PA3030 (confirm proper polarity).
18. Install 26 pin ribbon cable supplied with PA3030 processor (cable # 405-H4160) into 26 pin header on Multiplexor PCB (where the cable was removed in step 17); Plug the other end into the PA3030 processor "Internal Bus Monitor Ports" header.
19. Install PA control cable (cable # 407-H2510). The 5 pin locking connector plugs into Multiplexor PCB in line with slot 15. The 9 pin and 2 pin IDC connectors plug onto the PA3030 board along the top edge.
20. Install mouse cable (cable # 407-H2501-2). The 3 pin locking connector plugs into Multiplexor PCB in line with slot 15. The 5 pin IDC connector plugs onto the PA3030 board along the top edge.
21. Install 14 pin Video/KB ribbon cable (cable # 405-H4158-2). This cable plus into Multiplexor PCB in line with to slot 15 and to the 14 pin header on top edge of PA3030 board.
22. Verify all cables are installed properly and cables are secure. See installation section, System Reconfiguration, if subsystem needs reconfiguration.
23. Turn on Group Power Switch.
24. Replace top cover.
25. To connect additional Subsystems to PA Supervisor refer to "Supervisory System Guide to Operations manual".
26. Continue with PA3030 software installation instructions in "Supervisory System Guide to Operations manual".
Master ERS/FT Subsystem
Disk Installation:
1. Remove top cover.
2 Turn off the right most Power Group Switch which is associated with slot 15.
Floppy Based SNMP Master
3. Prepare 3-1/2'' floppy disk drive (FDD) for installation by installing the two locating screws and spacers on the bottom edge and one on the top edge of the disk drive.
4. Raise Fan door.
5. Connect DC floppy disk drive power cable to the end (power supply side) "Disk Drive Power" connector on the Subsystem backplane.
6. Feed 34 pin ribbon cable (FDD Data cable) under Multiplexor assembly between slot 15 and 16.
7. Remove FDD filler panel from front cover.
8. Remove top Disk Drive Support and install floppy disk drive in the last drive slot (power supply side).
9. Replace top Disk Drive Support and secure.
10. Connect DC power cable and 34 pin ribbon cable to FDD.
HDD Based SNMP Master:
11. Prepare 3-1/2'' disk drive (FDD) for installation by installing the two locating screws and spacers on the bottom edge and one on the top edge of the disk drive.
12. Raise Fan door.
13. Connect DC disk drive power cable to the end (power supply side) "Disk Drive Power" connector on the Subsystem backplane.
14. Feed 40 pin ribbon cable (HDD Data cable) under Multiplexor assembly between slot 15 and 16.
15. Remove top Disk Drive Support and install disk drive in the last drive slot (power supply side).
16. Replace top Disk Drive Support and secure.
17. Connect DC power cable and 40 pin ribbon cable to HDD.
18. Close fan door.
19. Remove blank filler panel from Rear I/O panel for slots 15 and 16.
20. Insert PCB Shorting Shield "Hot Swap Shield" if boards in adjacent slots are active.
21. Install BC 3035 board into slot 15 (disk data ribbon cable should be on the power supply side of the BC 3035 board). Install IES assembly in slot 16.
22. Tighten retaining screws on "L" brackets.
23. For floppy based SNMP, connect disk data ribbon cable to BC 3035 board (check for proper polarity).
24. Disconnect and remove 26 pin ribbon cable, if present, from Multiplexor PC assembly, topmost connector on right side.
25. Install 26-pin ribbon cable supplied with the IES adapter module into 26-pin header J__ on multiplexor PC assembly. Plug the other end into J3 on IES adapter assembly.
26. Install the 4-pin to 3-pin Molex input cable. Connect the 3-pin Molex connector to J3 of the multiplexor interface assembly 400-A04200. Connect the 4-pin Molex connector to J15 on the IES assembly.
27. Install the 34-pin MIB interface ribbon cable into J1 of the IES adapter and the other end into the single 34-pin header, J3, on the MIB located at the right front edge.
28. Install the 2-pin to 2-pin Molex power signal input cable. Connect one end to J__ on the left edge of the power supply MIB 400-A03830. Connect the other end into J16 of the IES adapter.
29. Verify all cables are installed properly and cables are secure. See installation section, System Reconfiguration, if subsystem needs reconfiguration.
30. Turn on Group Power Switch.
31. Replace top cover.
32. To connect external Subsystems to the IES I/O, refer to the "IES Module Hardware Installation Guide".
33. Continue with IES installation
This document, and all Web contents, Copyright © 1997
by Cubix Corp., Carson City, NV, USA.
