
3.Replace the motherboard as follows:
a.Replace the following to the motherboard:
■NVRAM/TOD with carrier. See Section 10.2.2, “Replacing the NVRAM/TOD” on page 
■DIMMs. See Section 10.5.2, “Replacing a DIMM” on page 
■Shroud assembly. See Section 8.10.2, “Replacing the Shroud Assembly” on page 
■CPU modules. See Section 10.1.3, “Replacing the CPU Module” on page 
b.Grasping the shroud assembly handle, position the motherboard into the chassis.
c.Using a number 2 
■Tighten the two captive screws securing the shroud assembly and the motherboard to the chassis (FIGURE 
■Replace the three screws securing the motherboard to the chassis (FIGURE 
d.Connect the following:
■Peripheral cable. See Section 8.4.2, “Replacing the Peripheral Power Cable Assembly” on page 
Note 
■External cables.
■DC power cable.
■Internal SCSI cable assembly.
Note 
■PCI fan assembly power connector.
e.Latch the shroud to the PCI fan bracket hinge clip.
f.Replace the following to the motherboard:
■PCI card(s). See Section 10.3.2, “Replacing a PCI Card” on page 
■UPA graphics card(s). See Section 10.4.2, “Replacing the UPA Graphics Card” on page 
■Audio card. See Section 10.6.2, “Replacing the Audio Card” on page 
4.Replace the power supply.
See Section 8.1.2, “Replacing the Power Supply” on page 
Chapter 10 Motherboard and Component Replacement 
