4 Summary of the HP/Phoenix BIOS
HP/Phoenix BIOS (BIOS version: GX.07.xx)
I/O Address Ports | Function | Bits |
|
|
|
Parallel port 2 |
| |
|
|
|
Integrated video graphics controller |
| |
|
|
|
Parallel port 1 |
| |
|
|
|
Integrated video graphics controller |
| |
|
|
|
Serial port 3 |
| |
|
|
|
Floppy disk controller |
| |
|
|
|
03F6 | IDE controller primary channel |
|
|
|
|
03F7 | Floppy disk controller |
|
|
|
|
Serial port 1 |
| |
|
|
|
Internal ports (or HP reserved) |
| |
|
|
|
Used for PCI configuration1 |
|
1.These addresses are dedicated to configuration registers for PCI devices.
System Board Components (BIOS version: GX.07.xx)
This section provides more details of how the BIOS uses the system board components mentioned in the I/O port list.
DMA Channel Controllers (BIOS version: GX.07.xx)
Only
The system controller supports seven DMA channels, each with a page register used to extend the addressing range of the channel to 16 MB.
92