HP Z440, Z640, and Z840 Workstation Series - Maintenance and Service Guide
HP Z840 Workstation system board architecture
●
Dark blue slots are attached to CPU0 and available with CPU0.
●
Purple and gray slots are attached to PCH.
●
White slots are attached to CPU1 and available when CPU1 is installed.
●
Purple/white slots connect to PCH in UP cong and connect to CPU1 in DP cong.
NOTE: The PCIe designators indicate the mechanical connector size and number of electrical PCIe lanes
routed to an expansion slot. For example, x16(8) means that the expansion slot is mechanically a x16 length
connector, with 8 PCIe lanes supported.
HP Z840 Workstation components 19