| Appendix A: Technical Specifications | |
|
| |
Address (hex) | Description | |
Video (VGA) | ||
03DA | Video (VGA) | |
COM3 (if selected) | ||
Floppy Channel 1 | ||
03F6 | Primary IDE channel command port | |
03F7 | Floppy Channel 1 command | |
03F7, bit 7 | Floppy disk change channel 1 | |
03F7, bits 6:0 | Primary IDE channel status report | |
COM1 (default) | ||
PCI configuration address register | ||
bytes | ||
| ||
0CF9 | Reset control register | |
PCI configuration data register | ||
bytes | ||
|
On-board Devices
DISK ON CHIP 1
Memory address selectable between:
D000(default), D400, D800, DC00.
DISK ON CHIP 2
Memory address selectable between:
D000, D400(default), D800, DC00.
PCI Configuration Space Map
Bus # | Device # | Function # | Description |
00 | 00 | 00 | 440BX (Host Bridge) |
00 | 07 | 00 | PIIX4 PCI/ISA bridge |
00 | 07 | 01 | PIIX4 IDE bus master |
00 | 07 | 02 | PIIX4 USB |
00 | 07 | 03 | PIIX4 Power Management |
00 | 0F | 00 | PCI expansion slot 1 |
00 | 10 | 00 | PCI expansion slot 2 |
00 | 12 | 00 | PCI expansion slot 3 |
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