©2008 Advanced Micro Devices, Inc. LPC ISA Bridge (Device 20, Function 3)
AMD SB600 Register Reference Manual Proprietary Page 264
3.1.4 Features of the LPC Block
Bus Speed: LPC bus—33MHz
Supported peripherals and address:
• I/O address devices:
• Parallel Ports: 378~37fh, 778~77fh, 278~27fh, 678~67fh, 3bc~3bfh, 7bc~7bfh
• Serial Ports: 3f8~3ffh, 2f8~2ffh, 220~227h, 228~22fh, 238~23fh, 2e8~2efh, 338~33fh, 3e8~3efh
• Audio: 220~233h, 240~253h, 260~273h, 280~293h
• MIDI: 300~301h, 310~311h, 320~321h, 330~331h
• MSS: 530~537h, 604~60bh, e80~e87h, f40~f47h
• FDC: 3f0~3f7h (excluding 3f6h), 370~377h (excluding 376h)
• Game Ports: 200~20fh
• Wide Generic: Can be mapped anywhere in lower 64KB I/O address. 512 bytes wide.
• RTC: 70~73h
• Key Board Controller: 60h, 64h
• ACPI Micro-Controller: 62h, 66h
• Ad-Lib: 388h~389h
• Super I/O Configuration: 2e~2fh
• Alternative Super I/O Configuration: 4e~4fh
• Memory address devices:
• ROM: supported address is in the range of 0000_0000h~ffff_ffffh
• Firmware Hub Rom: supported address is in one of these two ranges: 000e_0000h~000f_ffffh, or
ffb0_0000~ffff_ffffh