Sun Microsystems Sun Ultra 5 Service Manual page 162

ii. CPU fan assembly
iii. PCI card(s)
iv. PCI riser board
v. PCI riser board support
vi. NVRAM/TOD with carrier
Note – The NVRAM/TOD contains the system host identification (ID) and Ethernet
address. If the same ID and Ethernet address are to be used on the replacement
motherboard, remove the NVRAM/TOD from the motherboard and install it to the
new motherboard after motherboard installation.
vii. DIMMs
e. Remove the motherboard as follows:
i. Disconnect the external cables.
ii. Using a No. 2 Phillips screwdriver, remove the seven screws securing the
Caution – Handle the motherboard by the back panel or by the edges only.
iii. Lift the motherboard from the chassis.
iv. Place the motherboard on an antistatic mat.
Note – It might be necessary to slide the motherboard toward the chassis front
before lifting it from the chassis.
8-16 Sun Ultra 5 Service Manual • February 2000
See Section 6.4.1 "Removing the CPU Fan Assembly" on page 6-12.
See Section 8.4.1 "Removing a PCI Card" on page 8-9.
See Section 8.5.1 "Removing the PCI Riser Board" on page 8-13.
See Section 8.2.1 "Removing the NVRAM/TOD" on page 8-4.
See Section 8.3.1 "Removing a DIMM" on page 8-7.
motherboard to the chassis (including the CPU standoff screw). Set the
screws aside.