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Chapter 3 Hardware

Express-IBR Reference Manual 25

I/O Address Map

Table 3-3 provides the I/O address map.

NOTE Table 3-3 is only for reference. I/O addresses are tied to the specific legacy

Super I/O device residing on the baseboard. This table can be used with the

baseboard in ADLINK’s Quick Start Kit.

Table 3-3. I/O Address Map

Address (hex) Subsystem

0000-000F Primary DMA Controller

0020-0021 Master Interrupt Controller

0040-0043 Programmable Interrupt Timer (Clock/Timer)

004E-004F TPM (Trusted Platform Module)

0060 Keyboard Controller*

0061 NMI, Speaker control

0063 NMI Controller

0064 Keyboard 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)*

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 63 64

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