iv
Contents
2.5 Expansion slot ..........................................................................................2-16
2.5.1 Installing an expansion card to riser card bracket 1 .................. 2-19
2.5.2 Installing an expansion card to riser card bracket 2 .................. 2-21
2.5.3 Installing an expansion card to riser card bracket 3
(for RS720-E9-RS8 only) .......................................................... 2-23
2.5.4 Installing an expansion card to riser card bracket 4 .................. 2-25
2.5.5 Installing GPU cards (for RS720-E9-RS8-G only) .................... 2-27
2.5.6 Replacing GPU cards (for RS720-E9-RS8-G only)................... 2-33
2.5.7 Installing an ASUS PIKE II card ................................................ 2-37
2.5.8 Installing an ASUS PCIE-NVME4-OCuLink card ...................... 2-39
2.5.9 Installing an ASUS PCIE-NVME2-OCuLink card
(for RS720-E9-RS8 only) .......................................................... 2-42
2.5.10 Conguring an expansion card ................................................. 2-44
2.5.11 Installing Mezzanine cards ........................................................ 2-45
2.5.12 Installing M.2 (NGFF) cards ...................................................... 2-48
2.6 Cable connections ...................................................................................2-50
2.7 SATA/SAS backplane cabling .................................................................2-51
2.8 Removable/optional components ...........................................................2-54
2.8.1 System fans .............................................................................. 2-54
2.8.2 Redundant power supply module.............................................. 2-55
Chapter 3: Installation Options
3.1 Tool-less Friction Rail Kit ..........................................................................3-2
3.2 Installing the tool-less rack rail ................................................................3-3
For 1U devices ............................................................................................. 3-3
For 2U devices ............................................................................................. 3-3
3.3 Rail kit dimensions ....................................................................................3-6
Chapter 4: Motherboard Information
4.1 Motherboard layout ....................................................................................4-2
4.2 Jumpers ......................................................................................................4-4
4.3 Internal LEDs ............................................................................................ 4-10
4.4 Internal connectors ..................................................................................4-13