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30 PCL-741 User's Manual

APPENDIX B PC 1/0 Address usage

The following table indicates the PC I/O address usage assignrnent.

To prevent conflicting settings of the PCL-74 1 with other devices or

I/O cards, you are recomrnended to refer this table.

1/0 Address Device

000 - OOF DMA (8237A)

020 - 021 8259A 1 RQ Controller

040 - 043 8253/8254 Timer/Counter

060 - 063 PPI 8255A

070 - 071 Real-Time Clock

080 - 08F DMA Page Register

OAO - OBF 8259A Interrupt Chip

OCO - ODF Second DMA Controller 8237A

OFO - OFF Math Coprocessor

1 FO - 1 F8 AT Fixed Disk

200 - 20F Game 1/0

278 - 27F Serial l/O Port #2

2F8 - 2FF Serial Adaptor ( COM 2 )

320 - 32F XT Fixed Disk

378 - 37F Parallel Printer Adaptor

380 - 38F SDLC Binary Communication Adaptor

3AO - 3AF Master Binary Communication Adaptor

3BO - 3BF Monochrome/Parallel Adaptor

3DO - 3DF Color Graphics Adaptor

3FO - 3F7 Diskette Controller

3F8 - 3FF Serial Adaptor ( COM 1 )

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Advantech PCL-740 Especificaciones Pagina 26