ADLINK CoreModule 920 - Manual (Page 30)

Chapter 3 Hardware
24 Reference Manual CoreModule 920
I/O Address Map
Table 3-3 shows the I/O address map. These are DOS-level addresses. The OS typically hides these physical
addresses by way of memory management.
Table 3-3. I/O Address Map
Address (hex) Subsystem
0000-00F Primary DMA Controller
0020-0021 Master Interrupt Controller
0040-0043 Programmable Interrupt Timer (Clock/Timer)
0061 NMI, Speaker control
0063 NMI Controller
0065 NMI Controller
0067 NMI Controller
0070-007F CMOS RAM, NMI Mask Reg, RT Clock
0080 System reserved
0081-0083 DMA Page Registers
0084-0086 System reserved
0087 DMA Page Register
0088 System reserved
0089-008B DMA Page Registers
008C-008E System reserved
008F DMA Page Register
0090-0091 System reserved
0092 Fast A20 gate and CPU reset
0093-009F System reserved
00A0-00A1 Slave Interrupt Controller
00A2-00BF System reserved
00C0-00DF Slave DMA Controller #2
00E0-00EF System reserved
00F0-00FF Math Coprocessor
01F0-01F7 SATA Controller
02F8-02FF Serial Port 2 (COM2)
03B0-03BB Video (monochrome)
03C0-03DF Video (VGA)
03F8-03FF Serial Port 1 (COM1)
0400-041F SMBus Configuration Ports
0500-053F PCH GPIO Configuration Ports
0800-087F PCH Power Management Ports
0CF8-0CFF PCI bus Configuration Address and Data