3Com MSR 50-40 ROUTER. Installation Manual page 16

Specifications
Table 1-5 MPUF specifications
Item
Interfaces
Processor
BootROM
DDR SDRAM
CF Card
Slot
DDR SDRAM (synchronous dynamic random access memory) is the memory.
CF card functions as the major file storage medium to store application program files, anomaly
information, and configuration files.
BootROM stores bootstrap files.
LED and interface
Figure 1-7 LEDs and interfaces
Specifications
2 10/100/1000 Mbps Ethernet COMBO interfaces
1 AUX port
1 console port
2 USB interfaces
833 MHz
4 MB
Default: 512 MB
Max: 1 GB
Default: 256 MB
Max: 1 GB
4 SIC slots
1-6