Specifications

18 AMD Geodeā„¢ GeodeROM Functional Specification
Introduction
32087C
47h --- Extended Seek To Cylinder Page 59
48h --- Extended Get Drive Parameters Page 60
INT 14h: Serial Port BIOS Support
00h --- Initialize Port Page 83
01h --- Write Character to Port Page 85
02h --- Read Character from Port Page 85
03h --- Get Port Status Page 86
INT 15h: System Service Support
24h 00h Disable A20 Gate Page 103
01h Enable A20 Gate Page 104
02h Get A20 Gate Status Page 104
03h A20 Support Page 105
4Fh --- Key Scan Hook Page 105
53h 00h APM Installation Check Page 106
01h APM Real Mode Interface Connect Page 107
02h APM Protected Mode 16-Bit Interface Connect Page 108
03h APM Protected Mode 32-Bit Interface Connect Page 108
04h APM Interface Disconnect Page 109
05h CPU Idle Page 110
06h CPU Busy Page 111
07h Set Power State Page 112
08h Enable/Disable Power Management Page 113
09h Restore APM BIOS Power-On Page 114
0Ah Get Power Status Page 115
0Bh Get PM Event Page 116
0Ch Get Power State Page 117
0Dh Enable/Disable Device Power Management Page 118
0Eh APM Driver Version Page 119
0Fh Engage/Disengage Power Management Page 120
10h Get Capabilities Page 121
11h Get/Set/Disable Resume Timer Page 122
12h Enable/Disable Resume on Ring Page 123
13h Enable/Disable TImer Based Requests Page 124
86h --- BIOS Wait Page 125
87h --- Extended Memory Block Move Page 126
88h --- Get Extended Memory Size Page 127
89h --- Enter Protected Mode Page 127
90h --- Device Busy Page 128
91h --- Interrupt Complete Page 129
Table 2-1. Summary of Supported INTx Functions (Continued)
Function Subfunction Function Description Reference