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Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
Chapter 1 Cisco 7500 Series Product Overview
Route Switch Processor Overview
Common RSP Hardware Features
This section discusses hardware features common to all RSPs. (For convenience, the RSP2, RSP4/4+,
RSP8, and RSP16 are referred to as the RSP with differences clearly noted.)
RSP LEDs
Several LEDs on the RSP indicate system and RSP status, as follows:
• Normal LED—On when the RSP is receiving +5V, this LED indicates a successful boot; however,
it does not indicate the system has reached “normal” operation.
• CPU halt LED—Off during normal operation, this LED goes on only if the system detects a
processor hardware failure.
The RSP controls the normal and CPU halt LEDs and turns them on in parallel to indicate that the
system is operational.
• Master/slave LEDs—These LEDs indicate whether an RSP2, RSP4/4+, or RSP8 is the master or
slave in a system configured for the high system availability (HSA) feature.
• Slot 0 and slot 1 PC Card LEDs—These LEDs go on when a PC Card-based Flash memory card is
being accessed in the respective PC Card slot.
Note The master/slave LED and the HSA feature are not supported on the Cisco 7505 or Cisco 7576.
RSP DRAM
Dynamic random-access memory (DRAM) stores routing tables, protocols, and network accounting
applications. Table 1-11 lists the RSP DRAM configurations.
2. Do not mix memory sizes. If installing 2 DIMMs, both DIMMs must be the same size. If your router includes redundant RSPs, the RSPs should have the same
memory size.
3. SRAM is not user-configurable or field-upgradable.
4. A system configuration file is contained in NVRAM, which allows the Cisco IOS software to control several system variables.
5. This 16-MB SIMM Flash memory is not supported on the RSP2, RSP4/4+, or RSP8.
6. A 64-MB Flash Disk is the default shipping configuration for the RSP16 product.
Table 1-11 RSP DRAM Configurations
RSP DRAM Description
RSP2 Up to 128 MB available through SIMM upgrades. DRAM is contained in up to 4 SIMM sockets: U21 and
U33 (also called bank 0) and U4 and U12 (also called bank 1)
RSP4/4+ Up to 256 MB available through DIMM upgrades. DRAM is contained in up to 2 DIMM sockets: U10 (also
called bank 0) and U13 (also called bank 1)
RSP8 Up to 256 MB available through DIMM upgrades. DRAM is contained in up to 2 DIMM sockets: U12 (also
called bank 0) and U15 (also called bank 1)
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