Settings and add-on modules
Removing a memory module
3
2
1
1
Force the plastic holders carefully outward at left and right (1).
Tilt the module forward (2) and pull the module off upward (3).
A26361-D756-Z120-1-7619
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Settings and add-on modules
Second level cache memory
The second level cache memory can be 0 Kbytes, 64 Kbytes, 128 Kbytes or
256 Kbytes in size. There are 11 sockets on the system board (U48 to U58) for
incorporating the SRAM components.
!
Information on which SRAM components you can use is available from your
sales office or the customer service.
Only the SRAM components and sockets listed in the table below are
permissible for the configuration of the second level cache memory.
Slot
Memory
configuration
64 Kbyte
128 Kbyte
256 Kbyte
U48
8Kbit*8
15 ns
8Kbit*8 15 ns
8Kbit*8
15 ns
U49
---
---
---
---
8Kbit*8 15
ns
U50
16Kbit*4 15
ns
16Kbit*4 15
ns
16Kbit*4 15
ns
U51 - U54
8Kbit*8
20 ns
32Kbit*8 20 ns
32Kbit*8 20 ns
U55 - U58
8Kbit*8
20 ns
---
---
32Kbit*8 20 ns
--- = not inserted
Depending on the configuration of the second level cache memory, the U-plugs
JP12 to JP17 are inserted differently.
Memory
U-plug setting of
configuration
JP12
JP13
JP14 JP15 JP16 JP17
0
Kbyte 2-3
2-3
--- --- --- ---
64
Kbyte
2-3
2-3
--- --- --- ---
128
Kbyte 1-2
1-2
inserted ---
--- inserted
256
Kbyte
2-3 2-3 inserted inserted inserted inserted
--- = not inserted
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A26361-D756-Z120-1-7619
