Cisco 3845 Hardware Guide - Page 115
SDRAM DIMM Removal and Installation
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Figure 52 Component Locations on a Cisco 3845 Motherboard 4 3 2 1 10 7 8 5 9 6 SDRAM DIMM Removal and Installation 117937 1 PVDM3 2 PVDM2 3 PVDM1 4 PVDM0 5 AIM0 6 AIM1 7 MEM0 8 MEM1 9 Jumper headers 10 Power connector for fan tray assembly SDRAM DIMM Removal and Installation Cisco 3800 series routers ship with 256 MB of ECC DDR SDRAM. The two DIMM slots can be upgraded with 128-MB, 256-MB, or 512-MB DIMMs to a maximum of 1024 MB. If only one SDRAM DIMM is used, it can be installed in either DIMM connector. Caution When you remove or install DIMMs, always wear an ESD-preventive wrist strap, and ensure that it makes good contact with your skin. Connect the equipment end of the wrist strap to the metal part of the router. Caution Handle DIMMs by the edges only. DIMMs are ESD-sensitive components and can be damaged by mishandling. OL-5975-04 Installing and Upgrading Internal Components in Cisco 3800 Series Routers 85
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