Intergraph StudioZ RAX - I;O Addresses

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I/O Addresses
The primary system I/O devices are:
u Adaptec AIC-7860 Ultra SCSI
u DEC 21050 PCI-to-PCI Bridge
u Intel 82093AA I/O Advanced Programmable Interrupt Controller (I/O APIC)
u Intel 82454 PCIset Orion PCI Bridge (OPB)
u Intel 82452, 82453 PCIset Orion Memory Controllers (OMC)
u Intel 82379AB System I/O-APIC PCI-to-ISA Bridge
u Matrox MGA-2064W G95 graphics
u Standard Microsystems FDC37C932 Super I/O Controller
The following table lists a small subset of the reserved I/O addresses used in the system.
Address Range
Description Address Range Description
0000 - 000F DMA Controller 1 (DMA1)
registers
0278 - 027F Parallel Port LPT2
0020 - 0021 Interrupt Controller 1
(INT1)
02E8 - 02EF Serial Port COM4
0022 - 0023 System Configuration 02F8 - 02FF Serial Port COM2
(FDC37C932)
0040 - 0043 Timer Counter 1 0370 - 0377 Secondary Floppy Disk
Controller
0060 - 0064 Keyboard (FDC37C932),
NMI Status
0378 - 037F Parallel Port LPT1
(FDC37C932)
0070 - 0071 Real Time Clock
(FDC37C932)
03B0 - 03BF Monochrome
Display/Printer Adapter
0078 - 007B BIOS Timer 03D0 - 03DF Color/Graphics Monitor
Adapter (CGA/MCGA)
0080 - 0091 DMA page registers 03E8 - 03EF Serial Port COM3
0092 - 0092 System Control Port 03F0 - 03F7 Floppy Controller
(FDC37C932)
0093 - 009F DMA page registers 03F8 - 03FF Serial Port COM1
(FDC37C932)
00A0 - 00A1 Interrupt Controller 2
(INT2)
0480 - 048F DMA high page registers
00B2 - 00B3 Advanced Power
Management Control/Status
Ports
04D0 - 04D1 Interrupt Controller Edge
Level Control
00C0 - 00DF DMA Controller 2 (DMA2)
registers
0CF8 - 0CFF PCI Configuration Space
Access
00F0 - 00F1 Clear/Reset Math
Coprocessor
B000 - DFFF Typical PCI Adapter Usage
01F0 - 01F8 IDE Hard Disk Controller
(FDC37C932)