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B.3 External Keyboard Connector (CN17) ..........................64
B.4 ATX Feature Connector (CN6).......................................65
B.5 IDE Hard Drive Connector (CN1, CN2)........................65
B.6 USB Connector (CN4) .....................................................66
B.7 CPU Fan Power Connectors (CN8, CN9) ......................66
B.8 Floppy Drive Connector (CN7).......................................67
B.9 Parallel Port Connector (CN5) .......................................68
B.10 IR Connector (CN3) .........................................................69
B.11 HDD LED Connector (CN12) .........................................69
B.12 Power LED and Keylock Connector (CN11).................69
B.13 External Speaker (CN10) ................................................70
B.14 System I/O Ports ..............................................................71
B.15 DMA Channel Assignments ............................................72
B.16 Interrupt Assignments.....................................................72
B.17 1st MB Memory Map ......................................................73