Intel SE7525GP2 Technical Manual page 4

Contents
3.4.7 Universal Serial Bus (USB) Controller ................................................................... 21
3.4.8 RTC ....................................................................................................................... 21
3.4.9 GPIO...................................................................................................................... 21
3.4.10 Enhanced Power Management ............................................................................. 22
3.4.11 System Management Bus (SMBus 2.0)................................................................. 22
3.5 Memory Sub-System ............................................................................................. 22
3.5.1 Memory Sizing ....................................................................................................... 22
3.5.2 Memory Population................................................................................................ 23
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3.5.3 I C Bus................................................................................................................... 25
3.5.4 Disabling DIMMs.................................................................................................... 26
3.5.5 Memory RASUM Features..................................................................................... 27
3.6 I/O Sub-System ..................................................................................................... 30
3.6.1 PCI Subsystem ...................................................................................................... 30
3.6.2 Split Option ROM................................................................................................... 32
3.6.3 Interrupt Routing .................................................................................................... 32
3.6.4 IDE Support ........................................................................................................... 36
3.6.5 SATA Support........................................................................................................ 36
3.6.6 Video Controller ..................................................................................................... 37
3.6.7 Network Interface Controller (NIC) ........................................................................ 39
3.6.8 USB 2.0 Support.................................................................................................... 40
3.6.9 Super I/O Chip ....................................................................................................... 40
3.6.10 BIOS Flash ............................................................................................................ 43
3.7 Configuration and Initialization............................................................................... 43
3.7.1 Memory Space....................................................................................................... 43
3.7.2 I/O Map .................................................................................................................. 50
3.7.3 Accessing Configuration Space............................................................................. 52
3.8 Clock Generation and Distribution ......................................................................... 55
3.8.1 Real Time Clock .................................................................................................... 55
4. System BIOS ....................................................................................................................... 56
4.1 BIOS Identification String....................................................................................... 56
4.2 BIOS POST Splash Screen ................................................................................... 57
4.2.1 User Interface ........................................................................................................ 57
4.3 BIOS Setup Utility .................................................................................................. 60
4.3.1 Localization............................................................................................................ 60
4.3.2 Console Redirection .............................................................................................. 60
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Intel® Server Boards SE7320SP2 and SE7525GP2
Revision 4.0