Cisco WS-X4515 Hardware Maintenance Manual - Page 102
Replacing Main Memory SIMMs, Memory Replacement Procedures,
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Memory Replacement Procedures Figure 5-6 shows the Cisco 4500-M and Cisco 4700 SIMM and jumper locations. Figure 5-6 Cisco 4500-M and Cisco 4700 SIMM Locations Shared-memory SIMM and socket Motherboard Main memory SIMM sockets with correct SIMM orientation Front of chassis NVRAM Jumped pins 1 and 2 J6 J1 U68 Jumper in place enables writing to Flash memory ROM monitor H2449 System Flash memory 1 System Flash memory 0 RxBoot Flash memory Replacing Main Memory SIMMs SIMMs are manufactured with a polarization notch to prevent them from being installed backward. Figure 5-7 shows the polarization notch and locations of the alignment holes on a main memory SIMM card. The main memory SIMM cards are installed with the connector edge down and the component side facing in, as shown in the upper right of Figure 5-5 and Figure 5-6. Figure 5-7 Cisco 4000 Series Main Memory SIMM Alignment holes H2407 Connector edge 5-8 Cisco 4000 Series Hardware Installation and Maintenance Polarization notch