![](/images/new-backgrounds/1202454/20245423x1.webp)
The PC I/O port mapping is given below.
ADDRESS | DEVICE | ADDRESS | DEVICE |
PC reserved | XT Hard Disk | ||
Game/control | Parallel Printer | ||
XT Expansion Unit | SDLC | ||
Bus Mouse/Alt. Bus Mouse | SDLC | ||
Parallel Printer | MDA/Parallel Printer | ||
EGA | EGA | ||
AT GPIB | CGA | ||
Serial Port | Serial Port | ||
Serial Port | Floppy Disk | ||
Prototype Card | Serial Port |
2.3Jumper Setting
2.3.1JP1 : D/A Internal Reference Voltage Selection
Reference Voltage
JP1
Reference
Voltage
JP1
Select
Select
10 |