I/O: Dell Dimension� XPS 66/100 MDT II
I/O: Dell Dimension XPS 66/100 MDT II
Keyboard Connector | Parallel Port | Parallel
Port Connector | Mouse Connector | Serial Port Connector | VGA Connector | Speaker
| I/O Map | I/O
Ports
 |
NOTE: When one of the following
pinouts is selected, the topic is displayed within a
larger generic file, which may contain topics not
applicable to this system. Only the following topics are
applicable. |
The parallel port can operate in the following modes:
| AT-compatible (unidirectional; default) |
Set in System Setup program |
| PS/2-compatible (bidirectional) |
Set in System Setup program |
| EPP (enhanced parallel port) |
Selected by software* |
| ECP (extended capablilities port) |
Selected by software* |
| * Requires software
drivers, which automatically configure the port. |
Speaker
The speaker is a standard cone speaker, mounted behind the
expansion card guides.
I/O Map
| Hex Range |
Usage |
| 000–01F |
DMA controller 1 (8237A-05) |
| 020–03F |
Interrupt controller 1 (8259A) |
| 040–05F |
Timer 8254.2 |
| 060–06F |
Keyboard controller (8042) |
| 070–07F |
RTC, NMI mask |
| 080–09F |
DMA page registers |
| 0A0–0BF |
Interrupt controller 2 (8259A) |
| 0C0–0DF |
DMA controller 2 (8237A-5) |
| 0E0–0EF |
Reserved |
| 0F0 |
Clear math coprocessor busy |
| 0F1 |
Reset math coprocessor |
| 0F8–0FF |
Math coprocessor |
| 1F0–1F7; 3F6–3F7
|
Primary IDE controller, IRQ14 (IDE1) |
| 170–177; 376–377
|
Secondary IDE controller, IRQ15 (IDE2) |
| 200–207 |
Game I/O |
| 238–23F |
Serial port 4 (used for remapping) |
| 278–27F |
Parallel port 2 |
| 2B0–2DF |
Alternate EGA |
| 2E1 |
GPIB (adapter 0) |
| 2F8–2FF |
Serial port 2 |
| 338–33F |
Serial port 3 (used for remapping) |
| 378–37F |
Parallel port 1 |
| 3B0–3BF |
Monochrome display and printer adapter |
| 3C0–3CF |
EGA |
| 3D0–3DF |
CGA |
| 3F8–3FF |
Serial port 1 |
|
