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System Introduction 1-37
1.6.18 SIR/FIR
Table 1-29 SIR/FIR Specifications
Item Specification
Vendor & model name IBM(31T1100A)
Input power supply voltage 5 V
Transfer data rate 115.2 Kbit/s(Max)(SIR)~4 Mbit/s(FIR)(Max)
Transfer distance 100cm
Compatible standard IrDA (Infrared Data Association)
Output data signal voltage level
Active
Non-active
0.5
Vcc-0.5
Angle of operation
±15°
Number of IrDA ports 1
16550 UART support Yes
SIR location Rear side
Selectable serial port (by BIOS Setup) 2F8h, IRQ3 or
Disabled
1.6.19 LCD
Table 1-30 LCD Specifications
Item Specification
Vendor & Model Name IBM ITSV50D1
Mechanical Specifications
Diagonal LCD display area 12.1”
Display technology TFT
Resolution SVGA (800x600)
Supported colors 262,144 colors
Optical Specification
Contrast ratio 100 (typ.)
Brightness (cd/m
2
)
70 (typ.)
Brightness control keyboard hotkey
Contrast control none
Electrical Specification
Supply voltage for LCD display 3.3 (typ.)
Supply voltage for LCD backlight (Vrms) 1500 (typ.)