iv
2.6 Expansion slots ........................................................................................2-20
2.6.1 Installing an expansion card to the front PCIe
expansion card bracket (on select models)............................... 2-20
2.6.2 Installing an ASUS PIKE II or RAID card .................................. 2-22
2.6.3 Installing the Cache Vault Power Module ................................. 2-24
2.6.4 Installing an expansion card to the rear PCIe
expansion card slots (on select models) ................................... 2-26
2.6.5 Installing an OCP 3.0 card to the rear OCP 3.0
socket board (on select models) ............................................... 2-27
2.6.6 (optional) Installing the PFR module ......................................... 2-27
2.7 Cable connections ...................................................................................2-29
2.7.1 NVMe/SATA/SAS backplane .................................................... 2-29
2.7.2 GPU SKU board ........................................................................ 2-30
2.8 Removable/optional components ...........................................................2-30
2.8.1 GPU fans...................................................................................2-31
2.8.2 System fans .............................................................................. 2-32
2.8.3 Redundant power supply units .................................................. 2-33
2.8.4 GPU cards.................................................................................2-34
2.8.5 GPU bridges..............................................................................2-37
2.9 Rail kit options .........................................................................................2-38
Chapter 3: Motherboard Information
3.1 Motherboard layout ....................................................................................3-2
3.2 Central Processing Unit (CPU) .................................................................3-4
3.3 Dual Inline Memory Module (DIMM) ..........................................................3-4
3.4 Jumpers ......................................................................................................3-5
3.5 Internal connectors ....................................................................................3-6
3.6 Onboard LEDs ............................................................................................ 3-9
Chapter 4: BIOS Setup
4.1 Managing and updating your BIOS ..........................................................4-2
4.1.1 ASUS CrashFree BIOS 3 Utility .................................................. 4-2
4.1.2 ASUS EZ Flash Utility ................................................................. 4-3
4.2 BIOS setup program ..................................................................................4-4
4.2.1 BIOS menu screen ...................................................................... 4-5
4.2.2 Menu bar ..................................................................................... 4-5
4.3 Main menu ..................................................................................................4-7
4.4 Performance Tuning menu ........................................................................4-8
Contents