Troubleshooting
NANO-6040/NANO-6040L User’s Manual
5-7
2.
Please insert the
USB Keyboard or mouse
in
J13.
3.
Please insert the
USB CD-ROM
in
J14
.
Note:
Please visit our technical web site at
http://www.portwell.com.tw
For additional technical information, which is not covered in this manual, you can
mail to
or you can also send mail to our sales, they will be
very delighted to forward them to us.
System Memory Address Map
Each On-board device in the system is assigned a set of memory addresses, which
also can be identical of the device. The following table lists the system memory
address used.
Memory Area
Size
Description
0000-003F 1K
Interrupt
Area
0040-004F
0.3K
BIOS Data Area
0050-006F 0.5K
System
Data
0070-0E2E 54K
DOS
0E2F-1074 9.1K
Program
Area
1075-9C3F 559K
【
Available
】
First Meg -- Conventional memory end at 625K --
9C40-9FFF
15K
Extended BIOS Area
A000-AFFF 64K
VGA
Graphics
B000-B7FF 32K
Unused
B800-BFFF 32K
VGA
Text
C000-D2DF 75K
ROM
D2E0-EFFF 116K
Unused
F000-FFFF 64K
System
ROM
HMA
64K
First 64K Extended