ASROCK Rack 2U4FH-8L User Manual page 31

3.5 Mezzanine Card
Installing a Mezzanine Card
You can use an optional Ethernet mezzanine card for additional LAN ports or an
optional storage mezzanine card for additional hard drives. Please be aware that the LAN
mezzanine card must be used in conjunction with a matching I/O module.
1. Install the four standoffs into the motherboard around the mezzanine card slot. Hand-
tighten the standoffs.
2. Gently insert the mezzanine card into the mezzanine card slot on the motherboard.
3. Use screws to secure the mezzanine card to the motherboard standoffs.
Storage
Mezzanine Card
3
2U4FH-8L
LAN
2
Mezzanine Card
1
Standoff
25