Tools and software requirements ..................................................................................................... 46
Electrostatic discharge (ESD) information ........................................................................................ 46
Product recycling ................................................................................................................................................. 48
Component replacement guidelines ................................................................................................................... 48
Battery ............................................................................................................................................... 48
Cable management ........................................................................................................................... 49
Processor and processor heatsink .................................................................................................... 50
Expansion slots ................................................................................................................................. 51
Card conguration restrictions for power supplies ........................................................ 51
Choosing an expansion card slot .................................................................................... 51
HP Z440 Workstation slot identication and description .............................................. 52
HP Z440 Workstation installation sequence recommendations ................................... 53
HP Z640 Workstation slot identication and description .............................................. 54
HP Z640 Workstation installation sequence recommendations ................................... 54
HP Z840 Workstation slot identication and description .............................................. 56
HP Z840 Workstation installation sequence recommendations ................................... 57
Hard drives and optical drives ........................................................................................................... 59
Handling hard drives ....................................................................................................... 59
Removal and replacement tips ....................................................................................... 59
Drive installation and cabling scenarios ......................................................................... 59
HP Z440 Workstations — Intel AHCI SATA controller guidelines ................. 60
HP Z440 Workstations — LSI 9217-4i4e RAID controller guidelines .......... 61
HP Z640 Workstations — Intel AHCI SATA controller guidelines ................. 62
HP Z640 Workstations — LSI 9217-4i4e RAID controller guidelines .......... 63
HP Z840 Workstation cabling guidelines ..................................................... 64
Memory .............................................................................................................................................. 65
Supported DIMM congurations ..................................................................................... 65
BIOS errors and warnings ............................................................................................... 65
DIMM installation guidelines .......................................................................................... 65
HP Z440 Workstation DIMM installation order ............................................................... 66
HP Z640 Workstation DIMM installation order ............................................................... 67
HP Z840 Workstation DIMM installation order ............................................................... 68
Power supply ..................................................................................................................................... 69
Power supply specications ........................................................................................... 69
HP Z440 power supply specications .......................................................... 69
HP Z640 power supply specications .......................................................... 70
HP Z840 power supply specications .......................................................... 71
Power consumption and heat dissipation ...................................................................... 72
Resetting the power supply ............................................................................................ 72
System board .................................................................................................................................... 72
System cabling ................................................................................................................ 73
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