SPARC/MEM-20 Installation Guide P/N 204227Edition6.0 P/N October 2001
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The information in this publication is subject to change without notice. Force Computers, GmbH reserves the right to make changes without notice to this, or any of its products, to improve reliability, performance, or design.
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Copyright 2001 by Force Computers, GmbH. All rights reserved.
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1 Safety Notes
This section provides safety precautions to follow when installing, op- erating, and maintaining the SPARC/MEM-20. For your protection, follow all warnings and instructions found in the following text.
General This Installation Guide provides the necessary information to install notes and handle the SPARC/MEM-20. As the product is complex and its usage manifold, we do not guarantee that the given information is complete. In case you need additional information, ask your Force Computers representative.
The SPARC/MEM-20 has been designed to meet the standard indus- trial safety requirements. It must not be used except in its specific area of office telecommunication industry and industrial control.
Only personnel trained by Force Computers or qualified persons in electronics or electrical engineering are authorized to install, unin- stall or maintain the SPARC/MEM-20. The information given in this manual is meant to complete the knowledge of a specialist and must not be taken as replacement for qualified personnel.
Make sure that contacts and cables of the board cannot be touched while the board is operating.
Installation Electrostatic discharge and incorrect memory module installation and uninstallation can damage circuits or shorten their life. There- fore: • Before touching integrated circuits, ensure that you are working in an electrostatic-free environment. • Before installing or uninstalling the memory module on the SPARC/CPU-20V,VT(e) and the SPARC/CPU-24VT boards, read section 2 “Installation on the SPARC/CPU-20V,VT(e)” on page 5 and section 3 “Installation on the SPARC/CPU-24VT” on page 17, respectively. • Before installing or uninstalling the board, read the board’s Installation Guide and ensure that you apply all safety notes given by that guide.
SPARC/MEM-20 Page 1 Safety Notes
Expanding • Ensure that any individual output current of any source stays within its acceptable limits (see the technical specification of the respective source). • Only replace components or system parts with those recom- mended by Force Computers. In case you use components other than those recommended by Force Computers, you are fully responsible for the impact on EMI and the eventually changed functionality of the product.
Page 2 SPARC/MEM-20 How to Install the SPARC/MEM-20
This manual describes how to install SPARC/MEM-20 memory modules on the SPARC/CPU-20V,VT(e) and SPARC/CPU-24VT.
Upper and lower There are 2 types of SPARC/MEM-20: memory modules • the lower memory modules MEM-20L for direct connection to the base board • and the upper memory modules MEM-20U for connection to the MEM-20L.
Note: Out of the extensive list of possible memory module configurations not every possible configuration has been qualified. Instead, a wide range of configurations has been selected for qualification – spanning the whole range of possible memory capacities. Others may be tested and qualified on request. The following tables show the qualified configurations at the time of printing this manual:
Table 1 Qual. mem. config. for SPARC/CPU-20V,VT(e) (all data in MByte)
Total capacity 64 128 128 192 192 256 256 384 384 512 MEM-20L 1 cap. 64 64 128 64 128 64 128 64 128 128 MEM-20L 2 cap. – 64 – 64 64 64 128 64 128 128 MEM-20U 1 cap. – – – 64 – 128 – 128 128 128 MEM-20U 2 cap. –––––––128–128
Table 2 Qual. mem. configurations for SPARC/CPU-24VT (all data in MByte)
Total mem. cap. (on board+mod.) 128 192 192 256 256 320 320 384 448 512 MEM-20L 1 cap. 64 64 128 64 128 64 128 64 128 128 MEM-20L 2 cap. – 64 – 64 64 64 128 64 128 128 MEM-20U 1 cap. – – – 64 – 128 – 128 128 128 MEM-20U 2 cap. –––––––64–64
SPARC/MEM-20 Page 3 How to begin 1. Read the safety notes (see page 1). installation 2. Proceed as documented in the section referring to the product you want to install the memory module on: – “Installation on the SPARC/CPU-20V,VT(e)” on page 5 – or “Installation on the SPARC/CPU-24VT” on page 17.
Further For information on subjects other than installation, refer to the CPU information board’s Technical Reference Manual.
Table 3 History of manual publication
Edition Date Description 1 July 1996 First Print 2 October 1996 Added description for SPARC/CPU-24VT 3 March 1997 Revised description for SPARC/CPU-20VT with dual 150-MHz MBus modules 4 June 1997 Added information relevant for re- vised mechanical connection of base board to SBus I/O board 5.0 September 1999 Section “Safety Notes” included 6.0 October 2001 Editorial changes
Page 4 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
2 Installation on the SPARC/CPU-20V,VT(e)
The installation of memory modules is the same on a SPARC/CPU-20VTe and on a SPARC/CPU-20VT. Furthermore, it is al- most the same on a SPARC/CPU-20V, the only difference being that it is not necessary to separate the base board and the SBus I/O board since there is no SBus I/O board on a SPARC/CPU-20V. Therefore, this instal- lation guide uses the term SPARC/CPU-20VT summarily.
Note: During the installation you will handle screws and standoffs of different sizes. If you uninstall components, ensure that you remember which screw or standoff fits in which place.
General To get an overview of the relevant locations have a look at the following procedure figure and compare it to your configuration of SBus, memory and MBus modules:
1 1 1 1
2 2 2 2
lower upper memory modules
Base board MEM- MEM- MBus VME SBus I/O boardFront SBus VME 20L 20U modules power panel modules power mod. mod.
Note: When uninstalling or installing MBus or memory modules, note that at least the following components are required to be installed on the SPARC/CPU-20VT (to locate them see figure above): the MBus module 1and the lower memory module 1 (MEM-20L 1).
SPARC/MEM-20 Page 5 Installation on the SPARC/CPU-20V,VT(e)
To install a SPARC/MEM-20 on a SPARC/CPU-20VT follow the steps below: 1. Note that
– each MEM-20L includes 4 little standoffs,
– whereas each MEM-20U includes 4 screws:
Little standoff Screw 2. Remove the SPARC/CPU-20VT from the VME rack according to the CPU board’s Installation Guide. 3. If your configuration includes SBus modules, remove SBus module 1 (see respective section on page 9). 4. Check for standoffs at the locations marked as 1, 2, and 3 in the 2 figures below:
SBus I/O board with optional VME power module (part of the SPARC/CPU-20VT/SBus-AccKit)
1 VME power module 2 3
Flexible PCB with connectors for the base board
Cross-section of a completely assembled SPARC/CPU-20VT
SBus modules
SBus I/O board Flexible PCB 1, 2, and 3 MBus modules
Memory modules Base board
Page 6 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
5. If there are no standoffs, skip this step and proceed with the next step. If there are standoffs at the locations 1, 2, and 3, two different situa- tions can occur: –In the first case your configuration includes the optional VME power module which is part of the SPARC/CPU- 20VT/SBus-AccKit. In this case, you have to separate the VME power module from the SBus I/O board by first disassembling the 3 screws at the locations 1, 2, and 3 on top of the VME power module (see figure below), thereafter unplugging the VME power module, and at last disassembling the 3 standoffs at the same locations 1, 2, and 3 between the VME power module and the SBus I/O board.
SBus I/O board with VME power module
1 VME power module 2 3
Flexible PCB with connectors for the base board
–In the second case your configuration does not include the VME power module. In this case, you have to disassemble the 3 screws at the same locations 1, 2, and 3 as shown in the figure above but on top of the SBus I/O board instead of on top of the VME power module (see figure above). 6. Separate the base board and the SBus I/O board (see respective sec- tion on page 10).
SPARC/MEM-20 Page 7 Installation on the SPARC/CPU-20V,VT(e)
7. If necessary, remove the installed MBus modules (see respective sec- tion on page 13). To determine if it is necessary have a look at the fol- lowing figure and compare it to your configuration of memory and MBus modules. lower upper memory modules
1 1 1
2 2 2
Base board MEM- MEM- MBus VME power 20L 20U modules mod.
8. Install the memory modules (see respective section on page 15). 9. To assemble and install the SPARC/CPU-20VT follow the steps in the reverse order.
Page 8 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
2.1 Removing the SBus Module 1
Follow the steps below for the SBus module 1: 1. Disassemble the screws marked as 1 and 2 in the figure below: SBus I/O board with extra front panel for the VMEbus slot occupied by the SBus modules
1 2
SBus module 1 SBus module 2
5 & 6 3 & 4
2. Disassemble the screws marked as 3, 4, 5, and 6 in the figure above. All 4 screws are accessible from the front-panel side. 3. Disconnect the SBus module from the SBus I/O board.
After having taken the steps above, proceed with step 4 of the general procedure description on page 6.
SPARC/MEM-20 Page 9 Installation on the SPARC/CPU-20V,VT(e)
2.2 Separating the Base Board and the SBus I/O Board
Note: There are 2 ways in which the SBus I/O board is mechanically connected to the base board as described in step 4 of the general procedure description on page 6.
Follow the steps below: 1. Disassemble the 2 screws on the front panel marked as 1 and 2 in the figure below:
1
2
Base board and SBus I/O board
2. Disassemble the 5 screws on the SBus I/O board marked as 1, 2, 3, 4, and 5 in the figure below:
SBus I/O board
1 2
Flexible PCB with connectors for the base board
5
4 3
Page 10 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
3. Unplug the connectors on the SBus I/O board’s flexible PCB from the base board’s connectors:
Cross-section of a completely assembled SPARC/CPU-20VT:
SBus modules
SBus I/O board Flexible PCB MBus modules
Memory modules Base board Base SBus I/O board board Connectors connecting the SBus I/O board to the base board
4. This step is only relevant in case of a SPARC/CPU-20VT configura- tion using hyperSPARC MBus modules with large heat sinks as shown in the figure below.
Standard MBus Module 1 2 Top view of standard MBus module (mounting holes marked as 1 … 4)
4 3
MBus Modules with Large Heat Sinks Top view of MBus modules A 1 2 1 2 with larger heat sinks (mounting holes marked as MBus module 1 MBus module 2 1 … 4, A, B) (= MBus-xxx/2) (= MBus-xxx/1)
B
4 3 4 3
SPARC/MEM-20 Page 11 Installation on the SPARC/CPU-20V,VT(e)
In this case, the SBus I/O board’s flexible PCB is carried through a gap in the heat sink of MBus module 1. Therefore, it is necessary to first carefully separate the base board from the SBus I/O board as shown in the figure below before proceeding with the next step:
SBus I/O board
Base board
Base SBus I/O board board
5. Separate the base board from the SBus I/O board carefully as shown below: SBus I/O board
Base board
After having taken the steps above, the SPARC/CPU-20VT is separated into its base board and its SBus I/O board.
Page 12 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
2.3 Removing MBus Modules
The steps to be done for removal depend on the type of MBus module to be removed: 1. case: SPARC/MBus-150H2/2 with larger heat sink. In this case you have to disassemble the screws at the bottom side of the base board at locations A and B as shown in the figure below. When assembled, they fasten the Mbus module 1 to the base board, additionally to the screws 1…4 which are used for every MBus module.
VME power module in 2nd slot occupied by SPARC/CPU-20VT
A 1 2 1 2
MBus module 1 MBus module 2 (= MBus-150H2/2) (= MBus-150H2/1)
B
4 3 4 3
Base board
2. case: all other MBus modules:
VME power module in 2nd slot occupied by SPARC/CPU-20VT
1 2 1 2
MBus module 1 MBus module 2
4 3 4 3
Base board
Therefore, do the following steps for each MBus module to be uninstalled: 1. Disassemble the screws marked as 1…4 in the respective figure above. 2. If removing a SPARC/MBus-150H2/2, disassemble the 2 screws at the bottom side of the base board at locations A and B in the figure above.
SPARC/MEM-20 Page 13 Installation on the SPARC/CPU-20V,VT(e)
3. Disconnect the MBus module from the base board. After this the CPU board is ready for installing memory modules.
Page 14 SPARC/MEM-20 Installation on the SPARC/CPU-20V,VT(e)
2.4 Installing Memory Modules
The installation procedure is similar for all 4 memory modules which may be installed on the SPARC/CPU-20VT base board. There are only a few differences which are explicitly noted in the following description: 1. Note the 4 standoff or screw locations on the lower or upper memory modules (marked as 1, 2, 3, and 4 in the figure below). They are of interest when installing another module as described in the next steps. Base board
1212
MEM-20L or MEM-20L or MEM-20U MEM-20U
MEM-20 connectors MEM-20 connectors 4 3 4 3
2. To install a lower memory module plug the first MEM-20L into the MEM-20L connector on the base board (see location A in the figure below).
B
1 A
2
Base board MEM-20L 3. Fasten the 4 little standoffs on the 4 standoffs which are already installed on the base board (see location B in the figure above).
SPARC/MEM-20 Page 15 Installation on the SPARC/CPU-20V,VT(e)
4. If applicable, take the previous 2 steps for the second MEM-20L. 5. If you want to install an upper memory module (MEM-20U) as well, plug it into the MEM-20U connector on the MEM-20L (see location B in the figure below).
C B 1
2
Base board with MEM-20L MEM-20U already installed
6. Fasten the 4 screws delivered with the MEM-20U on the 4 standoffs which are already installed on the MEM-20L (see location C in the figure above). 7. If applicable, take the previous 2 steps for the second MEM-20U.
After having taken the steps above, the memory modules are installed and you can proceed as documented in the last step of the general procedure (see step 9 on page 8).
Page 16 SPARC/MEM-20 Installation on the SPARC/CPU-24VT
3 Installation on the SPARC/CPU-24VT
Note: During the installation you will handle screws and standoffs of different sizes. If you uninstall components, ensure that you remember which screw or standoff fits in which place.
General To get an overview of the relevant locations have a look at the following procedure figure and compare it to your configuration:
4 MEM-20… … … U 1 U 2 … … P1 P2 L 1 P3 L 2 Top
3 connectors for each MEM-20U 3 connectors for each MEM-20L
SPARC/MEM-20 Page 17 Installation on the SPARC/CPU-24VT
The installation procedure is similar for all 4 memory modules which may be installed on the SPARC/CPU-24VT. There are only a few differ- ences which are explicitly noted in the following description:
To install a SPARC/MEM-20 on a SPARC/CPU-24VT follow the steps below: 1. Note that – each MEM-20L includes 4 little standoffs, – whereas each MEM-20U includes 4 screws:
Little standoff Screw 2. Remove the SPARC/CPU-24VT from the VME rack according to the SPARC/CPU-24VT Installation Guide. 3. Note the 3 stiffeners A, B, and C with screws 1, 2, and 3 shown in the figure below.
P1 P2 P3 3 3 3 Top
Lower and Lower and upper memory upper memory modules 1 modules 2 A B C
2 2 2
1 1 1
Page 18 SPARC/MEM-20 Installation on the SPARC/CPU-24VT
In the following step you will remove the stiffener A and B for the modules at location 1 and stiffener C for the modules at location 2. 4. For each stiffener which has to be removed disassemble the screws marked as 1, 2, and 3 in the figure above and remove it. 5. Note the 4 standoff or screw locations on the lower or upper memory modules (marked as 1, 2, 3, and 4 in the figure below). They are of interest when installing another module as described in the next steps.
P1 P2 P3
Top 1212 MEM-20L 1 MEM-20L 2 or MEM-20U or MEM-20U 1 2
3 connectors for each 4 3 4 3 memory module
SPARC/MEM-20 Page 19 Installation on the SPARC/CPU-24VT
6. To install a lower memory module plug the first MEM-20L into the MEM-20L 1 connector on the base board (see location A in the figure below).
B
1 A
2
MEM-20L Base board
7. Fasten the 4 little standoffs on the 4 standoffs which are already installed on the base board (see location B in the figure above). 8. If applicable, take the previous 2 steps for the second MEM-20L.
Page 20 SPARC/MEM-20 Installation on the SPARC/CPU-24VT
9. If you want to install an upper memory module (MEM-20U) as well, plug it into the MEM-20U connector on the MEM-20L (see location B in the figure below).
C B 1
2
Base board with MEM-20L MEM-20U already installed
10. Fasten the 4 screws delivered with the MEM-20U on the 4 standoffs which are already installed on the MEM-20L (see location C in the figure above). 11. If applicable, take the previous 2 steps for the second MEM-20U. 12. Assemble the 3 stiffeners which you disassembled in step 3 (see page 18).
After having taken the steps above, the memory modules are installed and the CPU board is ready for installation:
Install the 13. To install the SPARC/CPU-24VT follow the SPARC/CPU-24VT CPU board Installation Guide.
SPARC/MEM-20 Page 21 Installation on the SPARC/CPU-24VT
Page 22 SPARC/MEM-20 Product Error Report
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