2-4
Hardware Description
Motherboards
Motherboards
General
Description
The Vanguard 340 and 340 Enhanced motherboards contain different components.
Figure 2-3 and Figure 2-4 show the two motherboards.
Vanguard 340
Motherboard
The Vanguard 340 motherboard contains 4 Megabytes of Non-Volatile FLASH on
board and has 16 Megabytes of SDRAM (synchronous DRAM) on an attached
DIMM.
These components are included on the motherboard:
• Connectors for:
- FLASH expansion: 4 Megabyte SIMM on board
- SDRAM Expansion: 16 Megabyte DIMM standard
- Data Compression/Encryption SIMM (optional)
- Two Vanguard Daughtercard slots
- Fan
• A battery that provides power for the unit’s real time clock
• 10/100BaseT Ethernet (RJ-45connector)
• Control Terminal Port (RJ-45connector)
• DB-25 Connector
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