
ÉlanSC310 Microcontroller Evaluation Board User’s Manual
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Features
External Connectors
• Two serial port connections
– One internal ÉlanSC310 16C450-compatible port (COM1 or COM2
configurable)
– One Super I/O 16C550-compatible port (COM1 through COM4
configurable)
• One parallel port connection from the ÉlanSC310 microcontroller
• Two 16-bit ISA slots (for evaluation of ISA-based devices only)
• One IDE connector (connected to the ÉlanSC310 ISA bus)
• One floppy-drive connector (connected to the Super I/O floppy-drive controller)
• One AT-style keyboard connector (connected to the 8042 keyboard controller)
• One PS/2-style mouse connector (connected to the 8042 keyboard controller)
Main Memory Configurations
• DRAM
– 512 Kbyte, 1 Mbyte, 2 Mbyte, 4 Mbyte, 8 Mbyte and 16 Mbyte DRAM
configurations supported
– 3-V or 5-V DRAM support
– Four standard 30-pin DRAM SIMM sockets
– One standard, 72-pin DRAM, 16-bit SIMM socket (can be used instead of
the 30-pin sockets)
Power Management
• Power planes are isolated and jumpers are provided to measure current
consumption. The CPU voltage sources are: V
CC
, V
CCMEM
, V
CCSYS
, V
CCSYS2
,
V
CC5
, V
CC1
, A
VCC
• Suspend/Resume button provided (note that BIOS’ enable the suspend/resume
function)
• MicroPower Off button provided for testing
• DIP switch for transitioning battery-low and ACIN pins for testing
evalbd.book : about Page x Thursday, August 8, 1996 2:34 PM