IBM 887022X Maintenance Manual - Page 170
Center, plane, replacement
UPC - 000435151957
View all IBM 887022X manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 170 highlights
Table 6. Reserved center plane jumpers Reserved Jumper Description J28 Scan center plane J29 Scan center plane and I/O J30 Scan center plane, I/O and SMP1 J31 Scan center plane, I/O, SMP1 and PCI J32 Scan all Center plane LEDs The location of center plane LEDs are illustrated in Figure 105. System management power fault LED (CR5) I/O power fault LED (CR6) System power present LED (CR7) Power present (CR10) PCI-X power fault LED (CR4) Center plane power fault LED (CR3) Lower SMP power fault LED (CR2) Upper SMP power fault LED (CR1) Lower SMP power good LED (CR8) Upper SMP power good LED (CR9) Figure 105. Center plane LEDs Force power-on The power switch can be bypassed (force power-on) by turning off the server, disconnecting it from the power source, and placing a jumper block between the pins of J37 on the center plane. Observe the safety precautions at "Installation guidelines" on page 79, "Working inside the server with power on" on page 79, and "Safety information" on page 257. Center plane replacement Complete the following steps to remove the center plane. Note: v Read "Installation guidelines" on page 79. v Read the safety notices at "Safety notices (multilingual translations)" on page 260. v Read "Handling static-sensitive devices" on page 80. 1. Turn off the server (see "Turning off the server" on page 10) and disconnect all power cords and external cables. 2. Remove the PCI brick from the server (see "PCI brick" on page 158) and place it on a clean work surface. Note: The illustrations in this document might differ slightly from the hardware being serviced. 160 xSeries 445 Type 8870: Hardware Maintenance Manual and Troubleshooting Guide