Filter
Top Products
34 Chapter 1
Memory Address Map
Memory Address Size Function
000E0000h-000FFFFFh 128KB System BIOS
000C0000h-000CFFFFh 64KB VGA BIOS
000A0000h-000BFFFFh 128KB Video memory (VRAM)
00000000h-0009FFFFh 640KB Conventional memory
I/O Address Map
I/O Address Function
0000-001F Direct memory access controller
0000-0CF7 PCI bus
0010-001F Motherboard resources
0020-0021 Programmable interrupt controller
0024-0025 Motherboard resources
0028-0029 Motherboard resources
002C-002D Motherboard resources
002E-002F Motherboard resources
0030-0031 Motherboard resources
0034-0035 Motherboard resources
0038-0039 Motherboard resources
003C-003D Motherboard resources
0040-0043 System timer
004C-004F Motherboard resources
0050-0053 Motherboard resources
0060-0060 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0061-0061 System speaker
0062-0062 Microsoft ACPI-Compliant Embedded Controller
0064-0064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0066-0066 Microsoft ACPI-Compliant Embedded Controller
0070-0071 System CMOS/real time clock
0072-0077 Motherboard resources
0080-0080 Motherboard resources
0081-008F Direct memory access controller
0090-009F Motherboard resources
00A0-00A1 Programmable interrupt controller
00A4-00A5 Motherboard resources
00A8-00A9 Motherboard resources
00AC-00AD Motherboard resources
00B0-00B5 Motherboard resources
00B8-00B9 Motherboard resources
00BC-00BD Motherboard resources
00C0-00DF Direct memory access controller
00F0-00FE Numeric data processor
0170-0177 Secondary IDE Channel