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Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 62 31 Cisco 4000 Family 601 1094_06F9_c4 63 © 1999, Cisco Systems, Inc. DBus NIMs Dual UART M 68030 Sys Ctrl Logic Shared DRAM 601 1094_06F9_c4 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr CPU Bus Control Bus Cisco 4000 and 4000M Boot ROM NVRAM Flash / EPROM Main DRAM 64 32 Cisco 4500 and 4700 Power Supply 601 1094_06F9_c4 Control Bus R 4600 R 4700 Dual UART CPU Bus Other Logic Shared DRAM Sys Ctrl ASICs I/O Bus DBus NIMs Layer 2 Cache 4700 Only Boot ROM NVRAM Flash Main DRAM Boot Flash 65 © 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr DRAM SIMM 60 30 Cisco 3600 Family 601 1094_06F9_c4 61 © 1999, Cisco Systems, Inc. PCI Bridge PCMCIA Dual UART R 4700 CPU Bus Sys Ctrl GT 64010 Boot ROM I/O Bus Network Modules PCI Bridge PCI Bus 0 Network Modules PCI Bus 1 PCI Bus 2 Cisco 36x0 Series NVRAM Flash DRAM 601 1094_06F9_c4 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 62 31 Cisco 4000 Family 601 1094_06F9_c4 63 © 1999, Cisco Systems, Inc.

Printed in USA. scr 68 34 PCI Bridge PA 3 PCI Bridge PA 1 PCI Bridge PCI Bus 2 PA 5 PCI Bus 1 Cisco 720x Series PCI Bridge PA 6 PCI Bridge PA 4 PCI Bridge PA 2 I/O Controller Fast Ether PCMCIA SRAM ! NPE-100 PCI Bus 0 CPU Bus Sys Ctrl GT 64010 Dual UART Boot ROM I/O Bus NVRAM 601 1094_06F9_c4 Boot Flash CPU NPE PCI PCI Bridge Bridge Midplane DRAM EEPROM R 4700 R 5000 Layer 2 Cache NPE-200 69 © 1999, Cisco Systems, Inc. SP/SSP EEPROM Bit Slice Proc. Multi Bus Intf Logic Local Bus SRAM CxBus Intf DMA Logic Diag Bus Intf Logic Multi Bus Cisco 70x0—RP and SP/SSP I/O Devices RP I/O Ctrl M 68040 CPU Bus Multi Bus Intf Logic Diag Bus Intf Logic DRAM Diag Bus Cx Bus Fan Tray 601 1094_06F9_c4 Intf Proc.

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