DIL/NetPC DNP/1486-3V: I/O and Memory Map

DNP/1486-3V I/O ADDRESS MAPPING
I/O Addr. Range	DNP/1486-3V Usage	PC/AT Standard
000h - 00Fh	8237 DMA Controller #1	8237 DMA Controller #1
020h - 021h	8259 Master Interrupt Controller	8259 Master Interrupt Controller
022h - 023h	SC410 CSCIR, CSCDR (Index and Data)	---
040h - 043h	8253 Programmable Timer	8253 Programmable Timer
060h - 06Fh	Port 61h	8042 Keyboard Controller
070h - 07Fh	RTC, NMI Mask Register	RTC, NMI Mask Register
080h - 09Fh	DMA Page Registers	DMA Page Registers
0A0h - 0B1h	8259 Slave Interrupt Controller	8259 Slave Interrupt Controller
0C0h - 0DFh	8237 DMA Controller #2	8237 DMA Controller #2
0F0h - 0F1h	SC410	Math Coprocessor
0F8h - 0FFh	SC410	Math Coprocessor
170h - 177h	Unused	Hard Disk Controller #2
1F0h - 1F8h	Unused	Hard Disk Controller #1
200h - 207h	Unused	Game Port
238h - 23Bh	Unused	Bus Mouse
23Ch - 23Fh	Unused	Alt. Bus Mouse
240h - 277h	Unused	Unused
278h - 27Fh	Unused	Parallel Printer
280h - 2AFh	Unused	Unused
2B0h - 2BFh	Unused	EGA
2C0h - 2CFh	Unused	EGA
2D0h - 2DFh	Unused	EGA
2E0h - 2E7h	Unused	GPIB
2E8h - 2EFh	Unused	Serial Port
2F8h - 2FFh	Unused	Serial Port
300h - 30Fh	On-board LAN Controller	Prototype Card
310h - 31Fh	On-board LAN Controller	Prototype Card
320h - 32Fh	Unused	Hard Disk Controller XT
330h - 33Fh	Unused	Unused
340h - 36Fh	Unused	Unused
370h - 377h	Unused	Floppy Disk Controller #2
378h - 37Fh	Unused	Parallel Printer
380h - 38Fh	Unused	SDLC Adapter
390h - 39Fh	Unused	Unused
3A0h - 3AFh	Unused	SDLC Adapter
3B0h - 3BBh	Unused	MDA Adapter
3BCh - 3BFh	Unused	Parallel Printer
3C0h - 3CFh	Unused	VGA/EGA Adapter
3D0h - 3DFh	Unused	CGA Adapter
3E8h - 3EFh	Unused	Serial Port
3F0h - 3F7h	Unused	Floppy Controller #1
3F8h - 3FFh	Serial Port COM1 and IrDA	Serial Port

Please note: You can bind all unused I/O address areas to the programmable I/O chip select signals (Programmable Chip Select Outputs CS1, CS2, CS3 and CS4, see pins 45 to 48 in the 64-pin DIL pinout) of the DNP/1486-3V I/O extension bus.

DIL/NetPC DNP/1486-3V: Real Mode Memory Address Mapping

DNP/1486-3V REAL MODE MEM ADDRESS MAPPING
Mem Addr. Range	DNP/1486-3V Usage	PC/AT Standard
0000:0000 - 0000:03FF	Interrupt Vector Table	Interrupt Vector Table
0040:0000 - 0040:00FF	BIOS Datasegment	BIOS Datasegment
0050:0000 - 9000:FFFF	Main Memory	Main Memory
A000:0000 - A000:FFFF	Unused	VGA or ISA memory
B000:0000 - B000:7FFF	FLASH SSD Window	VGA or ISA memory
B000:8000 - B000:FFFF	Unused	VGA or ISA memory
C000:0000 - C000:7FFF	Unused	VGA or ISA memory
C000:8000 - C000:BFFF	Unused	VGA or ISA memory
C000:C000 - C000:FFFF	Unused	VGA or ISA memory
D000:0000 - D000:FFFF	Unused	ISA memory
E000:0000 - E000:FFFF	FLASH File System BIOS Extension	ISA memory
F000:0000 - F000:FFFF	System BIOS	System BIOS

DIL/NetPC DNP/1486-3V: 2 Mbyte Flash Chip Mapping

DNP/1486-3V 2 MBYTE FLASH CHIP MEMORY MAPPING
Mem Addr. Range	DNP/1486-3V Usage
000000 - 00FFFF	FLASH File System BIOS Extension
010000 - 0EFFFF	FLASH File System Disk Space
0F0000 - 0FFFFF	System BIOS
100000 - 1EFFFF	FLASH File System Disk Space
1F0000 - 1FFFFF	System BIOS Entry