3
Table of Contents
1
Introduction .................................................................. 5
1.1
Specifications ....................................................................................6
1.2
Package Contents ..............................................................................7
2
Installation.................................................................... 8
2.1
WAFER-4821 Layout...........................................................................8
2.2
Unpacking Precautions........................................................................9
2.3
CPU Setting for WAFER-4821 ...............................................................9
2.4
Watchdog Timer .............................................................................. 10
2.5
DiskOnChip™ Flash Disk ................................................................... 10
2.6
Serial port2 RI Pin Setting................................................................. 11
2.7
Serial port2 RS-232, RS-422 or RS-485 Setting.................................... 11
2.8
Free IRQ3 and IRQ4 Setting .............................................................. 12
2.9
Clear CMOS Setup ........................................................................... 12
2.10
Realtek8019AS Setting .................................................................. 12
3
Connection .................................................................. 13
3.1
Floppy Disk Drive Connector.............................................................. 13
3.2
IDE Disk Drive Connector.................................................................. 14
3.3
Parallel Port .................................................................................... 15
3.4
Serial Ports ..................................................................................... 16
3.5
Keyboard/Mouse Connector ............................................................... 17
3.6
External Switches and Indicators........................................................ 18
3.7
External Power Connector ................................................................. 18
3.8
External Speaker ............................................................................. 19
3.9
PC/104 Connection Bus .................................................................... 20
3.9
IrDA Infrared Interface Port............................................................... 22
3.10
LAN RJ45 Connector ...................................................................... 22
3.11
Digital I/O.................................................................................... 23
4
AMI BIOS Setup........................................................... 24
4.1
Getting Started................................................................................ 24
4.2
Standard CMOS Setup ...................................................................... 25
4.3
Advanced CMOS Setup ..................................................................... 26
4.4
Advanced Chipset Setup ................................................................... 28
4.5
Peripheral Setup .............................................................................. 28
4.6
Auto-Detect Hard Disk...................................................................... 30
