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1-36 Service Guide
1.6.15 Parallel Port
Table 1-26 Parallel Port Specifications
Item Specification
Number of parallel ports 1
ECP/EPP support Yes (by BIOS Setup)
ECP DMA channel (by BIOS Setup) DRQ1 or
DRQ3
Connector type 25-pin D-type
Connector location Rear side
Selectable parallel port (by BIOS Setup) Parallel 1 (378h, IRQ7) or
Parallel 2 (3BCh, IRQ7) or
Parallel 3 (278h, IRQ5) or
Disabled
1.6.16 Serial Port
Table 1-27 Serial Port Specifications
Item Specification
Number of serial ports 1
16550 UART support Yes
Connector type 9-pin D-type
Connector location Rear side
Selectable serial port (by BIOS Setup) Serial 1 (3F8h, IRQ4) or
Serial 2 (2F8h, IRQ3) or
Serial 3 (3E8h, IRQ4) or
Serial 4 (2E8h, IRQ3) or
Disabled
1.6.17 Touchpad
Table 1-28 Touchpad Specifications
Item Specification
Vendor & model name
Synaptics TM1202SC
Power supply voltage 5V
Location Palm-rest center
Internal & external pointing device work simultaneously No
External pointing device (serial or PS/2 mouse) hot plug Yes, (if it is enabled in BIOS Setup already)
X/Y position resolution 500 points/inch
Interface PS/2 (compatible with Microsoft mouse
driver)