HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide

Designator Name on board Component
P28 FRONT AUDIO Front Audio
P29 Front USB 3.0 Front USB 3.0 Header
P54 SERIAL Serial Port
P60 SATA0 AHCI SATA0 Connector
P61 SATA1 AHCI SATA1 Connector
P62 SCU3 SCU SATA3 Connector
P63 SCU2 SCU SATA2 Connector
P64 SCU1 SCU SATA1 Connector
P65 SCU0 SCU SATA0 Connector
P70 CPU+MEM FANS CPU and Memory Fans
P80 SAS0 SAS/SATA Port 0
P81 SAS1 SAS/SATA Port 1
P82 SAS2 SAS/SATA Port 2
P83 SAS3 SAS/SATA Port 3
P84 SAS4 SAS/SATA Port 4
P85 SAS5 SAS/SATA Port 5
P86 SAS6 SAS/SATA Port 6
P87 SAS7 SAS/SATA Port 7
P93 FRNT FAN2 Front Fan 2 Header
P94 FRNT FAN1 Front Fan 1 Header
P125 LC1 Liquid Cooling Header 1
P126 LC0 Liquid Cooling Header 0
SW3 SW3 Rear Power Button/LED
SW50 CMOS Clear CMOS Button
XBT1 XBT1 Battery
XMM1 CPU0-DIMM8 CPU0 Memory DIMM8
XMM2 CPU0-DIMM7 CPU0 Memory DIMM7
XMM3 CPU0-DIMM6 CPU0 Memory DIMM6
XMM4 CPU0-DIMM5 CPU0 Memory DIMM5
XMM5 CPU0-DIMM1 CPU0 Memory DIMM1
XMM6 CPU0-DIMM2 CPU0 Memory DIMM2
XMM7 CPU0-DIMM3 CPU0 Memory DIMM3
XMM8 CPU0-DIMM4 CPU0 Memory DIMM4
XMM9 CPU1-DIMM1 CPU1 Memory DIMM1
178 Appendix C System board designators