Specifications and Regulatory Information Software System Resources Valid uses for memory addresses CC000-DFFFF: • Upper memory blocks (UMBs). • PC Card memory windows. System Input/Output Addresses (100 -3FF) DMA Channels 9-6 170-177 Secondary HDD controller (internal CD-ROM) 1F0-1F7 Internal hard disk 200-207 Joystick 220-22F Crystal sound Secondary HDD controller (internal CD-ROM) 378-37F LPT1 (printer port) 388-38B Sound 3B0-3BB VGA adapter 3C0-3DF VGA adapter 3E0-3E1 PCMCIA controller 3F0-3F5 Floppy controller 3F6 Primary HDD controller 3F7 Floppy controller 3F8-3FF COM1 (serial port) Sound record Sound playback Floppy drive LPT1 (ECP parallel port) Cascade 5 Free Free Free