Lenovo PC 300PL Technical Information Manual 6275, 6285 - Page 77

Figure 49 (Page 2 of 3). I/O Address Map Address (Hex) Size 00C0-00DE 31 bytes 00F0 1 byte 0170-0177 8 bytes 01F0-01F7 8 bytes 0200-0207 8 bytes 0220-022F 16 bytes 0240-024F 16 bytes 0278-027F 8 bytes 02E8-02EF 8 bytes 02F8-02FF 8 bytes 0300-0301 2 bytes 0330-0331 2 bytes 0332-0333 2 bytes 0334-0335 2 bytes 0376 1 byte 0377 1 byte 0377, bit 7 1 bit 0377, bits 6:0 7 bits 0378-037F 8 bytes 0388-038D 6 bytes 03B4-03B5 2 bytes 03BA 1 byte 03BC-03BF 4 bytes 03C0-03CA 11 bytes 03CC 1 byte 03CE-03CF 2 bytes 03-D4-03-D5 2 bytes 03-DA 1 byte 03E8-03EF 8 bytes 03F0-03F5 6 bytes 03F6 1 byte 03F7 (Write) 1 byte 03F7, bit 7 1 bit 03F7, bits 6:0 7 bits 03F8-03FF 8 bytes 04D0-04D1 2 bytes 0530-0537 8 bytes 0604-060B 8 bytes LPTn + 400h 8 bytes 0CF8-0CFB 4 bytes 0CF9 1 byte 0CFC-0CFF 4 bytes 0E80-0E87 8 bytes Appendix B. System Address Maps Description DMA 2 Reset numeric error Secondary IDE channel Primary IDE channel Available Available Available LPT2 COM4/video COM2 Available Available Available Available Secondary IDE channel command port Diskette channel 2 command Diskette change, channel 2 Secondary IDE channel status port LPT1 Available Video Video LPT3 Video Video Video Video Video COM3 Diskette channel 1 Primary IDE channel command port Diskette channel 1 command Diskette disk change channel Primary IDE channel status port COM1 Edge/level triggered PIC Windows sound system Windows sound system (if present) ECP port, LPTn base address + hex 400 PCI configuration address register Turbo and reset control register PCI configuration data register Windows sound system (if present) Appendix B. System Address Maps 65