4 Summary of the HP/Phoenix BIOS
HP/Phoenix BIOS (BIOS version: GJ.07.xx)
I/O Address Ports | Function | Bits |
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Parallel Port 1 |
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Integrated Floppy Disk Controller |
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Serial Port 1 |
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Serial Port 3 |
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Used for PCI Configuration1 |
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HP Reserved |
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Parallel Port if ECP Mode is Selected |
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Parallel Port if ECP Mode is Selected |
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1.These addresses are dedicated to configuration registers for PCI devices.
Addressing System Board Components (BIOS version: GJ.07.xx)
This section provides further details of how the BIOS uses the system board components mentioned in the I/O port list.
DMA Channel Controllers (BIOS version: GJ.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.
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