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Intel 810 Baby AT Mainboard
HARDWARE SETUP
3-5
3.3.5
CN4 : Serial Port COM 2 Connector
U12
COM2
I/O address 3F8H/2F8H/3E8H/2E8H, IRQ3/IRQ4, selected by CMOS setup.
3.3.6
CN5: Parallel Port Connector
(Supports SPP/EPP/ECP modes, IRQ7 or IRQ5 is selectable, ECP mode will use
either DMA channel 3 or channel 1 which can be selected by the CMOS setup
program)
U12
Parallel Port