Cisco 7200 VXR User Manual page 27

Chapter 1 Cisco 7200 VXR Product Overview
Figure 1-12 NPE-150
1
2
3
1
System controller
2 R4700 microprocessor
3 1-MB SRAM (U700 through U703, U800
through U803)
4 Captive installation screw
5
Handle
6
Temperature sensor
Table 1-16
Table 1-16 NPE-150 Memory Specifications
Memory Type
DRAM
SRAM
Boot ROM
Primary cache
Secondary cache
1. Location on processing engine board. See
78-5469-04 B0
4
5
lists the NPE-150 memory specifications, and
Size
32 to 128 MB
1 MB
The NPE-150 uses the boot ROM present on the I/O controller.
—
512 KB
6
7
Midplane connectors
8 Temperature sensor
9 DRAM SIMMs
10 Bank 1
11 Bank 0
Table 1-17
Quantity Description
2 to 4 16- or 32-MB SIMMs (based
on maximum DRAM
required)
8 8 chips, each being 128K
words x 9 bits wide
— R4700 processor, internal
cache
4 R4700 processor, unified
external cache
Figure 1-12.
Cisco 7200 VXR Installation and Configuration Guide
Field-Replaceable Units
7
8
9
U12
10
U4
U25
11
U18
lists memory configurations.
1
Location
Bank 0: U18 and
U25
Bank 1: U4 and
U12
U700 through
U703
U800 through
U803
U201
U2, U10, U14,
and U26
1-27