xii Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
FIGURE 3-13 Releasing the Motherboard Latch 3–23
FIGURE 3-14 Reconnecting Cables to the Motherboard 3–25
FIGURE 3-15 Installing the Motherboard and Related Components 3–27
FIGURE 4-1 Removing the Hard Drive 4–3
FIGURE 4-2 Disconnecting the Cables From the Hard Drive Backplane 4–5
FIGURE 4-3 Removing the I/O Module With the DVD-Dual Drive and Audio USB Board 4–7
FIGURE 4-4 Securing the Audio USB Cables in the I/O Cable Clip 4–9
FIGURE 5-1 Removing the Fan Tray 5–2
FIGURE 5-2 Removing the Fan Tray Backplane 5–3
FIGURE 5-3 Removing the Power Supply 5–5
FIGURE 5-4 Installing the Power Supply 5–7
FIGURE 5-5 Power Supply Cable Connections at Motherboard and Hard Drive Backplane 5–8
FIGURE 6-1 Reassembling the Workstation 6–2
FIGURE 6-2 Reconnecting the Cables 6–3
FIGURE 6-3 Powering On the Workstation 6–4
FIGURE 7-1 Diagnostic Method Flow Chart 7–5
FIGURE 7-2 Diagnostics Method Flow Chart – Traditional Data Collection 7–6
FIGURE 10-1 NVRAM on Motherboard 10–1
FIGURE 11-1 Crossover Cable Wiring Diagram 11–19
FIGURE B-1 Workstation Dimensions With Stabilizer Open B–2
FIGURE B-2 Workstation Dimensions Without Stabilizer B–2
FIGURE C-1 Sun Ultra 45 Motherboard Diagram C–2
FIGURE C-2 Sun Ultra 45 Workstation System Diagram C–3
FIGURE C-3 Sun Ultra 45 Motherboard Block Diagram C–6
FIGURE C-4 UltraSPARC IIIi Chip Architecture C–7