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LittleBoard 550 Reference Manual 21
Chapter 3 Hardware
Overview
This chapter discusses the chips and features of the connectors in the following order:
• CPU (U1)
• Memory
• PC/104-Plus (J21A, B, C, D)
• PC/104 (J1A, B, C, D)
• IDE Interfaces (J12, J17)
• CompactFlash Adapter (J23)
• Floppy Interface (J14)
• Serial Interfaces (J11, J13)
• Parallel Interface (J15)
• Utility Interfaces (J16, J18, J24)
♦ Keyboard
♦ Mouse
♦ Battery
♦ Reset Switch
♦ Speaker
♦ USB
♦ SMBus
• Ethernet Interfaces (J7, J32)
• Audio Interface (J28)
• Video Interfaces (J3, J31)
• Miscellaneous
♦ Time of Day/RTC
♦ Temperature Monitoring
♦ Oops! Jumper (BIOS recovery)
♦ Serial Console
♦ Watchdog timer
• Power Interface (J10)
NOTE Ampro Computers, Inc. only supports the features/options tested and listed in this
manual. The main integrated circuits (chips) used in the LittleBoard 550 may
provide more features or options than are listed for the LittleBoard 550, but some
of these chip features/options are not supported on the board and may not
function as specified in the chip documentation.