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4. I/O CONNECTION........................................ 4-29
4.1. PARALLEL PORT ..........................................4-30
4.2. COM PORTS X 4 ........................................4-31
4.3. 100/10 BASE-T ETHERNET (RJ-45)................4-33
4.4. VGA INTERFACE.........................................4-33
4.5. 2
ND
DISPLAY GRAPHIC SUPPORT MODE...............4-34
4.5.1. When System Memory Clock = 66MHz ....4-34
4.5.1.1. Single Display Mode ........................4-35
4.5.1.2. Mirror Display Output Mode..............4-36
4.5.1.3. Multiple Display Output Mode ...........4-37
4.5.2. When System Memory Clock = 100MHz ..4-38
4.5.2.1. Single Display Mode ........................4-38
4.5.2.2. Mirror Display Output Mode..............4-39
4.5.2.3. Multiple Display Output Mode ...........4-40
4.5.3. When System Memory Clock = 133MHz ..4-41
4.5.3.1. Single Display Mode ........................4-42
4.5.3.2. Mirror Display Output Mode..............4-43
4.5.3.3. Multiple Display Output Mode ...........4-44
4.6. PS/2 KEYBOARD INTERFACE...........................4-45
4.7. PS/2 MOUSE INTERFACE...............................4-45
4.8. EXTERNAL FDD (DB-15) .............................4-46
4.9. +5V/12V DC-OUT ....................................4-47
4.10. VR BRIGHTNESS CONTROL ............................4-47
4.11. DIO (DIGITAL INPUT & OUTPUT) ....................4-48
4.12. AUDIO INTERFACE (LINE-IN, MIC-IN, SPK-OUT) .4-50
4.13. USB PORTS..............................................4-50
4.14. IR KEYBOARD SENSOR (OPTIONAL) ..................4-50
4.15. AC/DC INLET/POWER SWITCH .......................4-50