Sun Microsystems Netra 440 Service Manual page 133

3. With the motherboard sitting flat on the base of the system, slide the motherboard
toward the back of the system to engage the tabs at the bottom of the motherboard
with the slots at the base of the system.
4. Tighten the three Phillips No. 2 screws to secure the motherboard to the system
( ).
FIGURE 4-39
5. Connect the P3 SCSI data cable end at P3 on the motherboard.
6. Connect the P1 DVD-ROM cable end at P1 on the motherboard.
a. Ensure that the ejector levers are rotated up before inserting the cable.
b. Push the cable end into its connector until the ejector levers lie flat.
7. Connect the P5 SCSI backplane power cable end at P5 on the motherboard.
8. At the front of the system, slide the power distribution board back into the system
until it is engaged with the motherboard.
Use the ejector levers at the front of the power distribution board to fully secure it
against the motherboard.
Caution – There are several pinch points on the power supplies, so use caution
when removing or installing a power supply in the system. Refer to the caution label
on the power supplies for more information.
9. Tighten the two captive screws to completely secure the power distribution board
to the motherboard.
10. At the rear of the system, fully push all four of the power supplies back into the
system.
11. Push the lever on each power supply to the right to fully seat it in the system.
12. Reinsert the air diverter into the system and tighten the two screws at the top of
the air diverter to secure it to the system.
13. Install the alarm card.
See "Installing the Alarm Card" on page
14. Install the ALOM system controller card.
See "Installing the ALOM System Controller Card" on page
15. Install all PCI cards.
See "Installing a PCI Card" on page
16. Install all CPU/memory modules.
See "Installing a CPU/Memory Module" on page
103.
92.
Chapter 4 Removing and Replacing Cold-Swappable Components
98.
80.
115