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C1P9S01 Mainboard

Blackbird™ is an adaptation of Raptor Computing Systems' next-generation POWER9 platform to the μATX (microATX) form factor. Focusing on the desktop use case, it is a single socket PowerNV system.


C1P9S01 Block Diagram


Mainboard Part # Form Factor CPU Type Networking Storage Controller
C1P9S01 MicroATX POWER9 Sforza 3x GbE (Broadcom BCM5719) 4x SATA
  • MicroATX form factor
  • One socket accepting a 4-core or 8-core POWER9 Sforza CPU
  • Two DDR4 ECC registered RAM slots, dual-channel, supporting up to 256GB main memory
  • Three Gigabit Ethernet ports provided by a Broadcom BCM5719 chip
  • Four SATA ports provided by a firmware-free Marvell 88SE9235 SATA chip
  • 5.1 audio supporting analog and S/PDIF outputs
  • HDMI output via BMC (2D framebuffer), using a firmware-free IT66121FN PHY chip
  • Four USB 3.0 ports (2x rear, 2x on header for front panel) via firmware-free TUSB7340 XHCI chip
  • One additional internal USB 2.0 Type-A port
  • One x16 PCIe Gen4 slot
  • One x8 PCIe Gen4 slot
  • AST2500 BMC with OpenBMC


  • CPUs with more than eight cores may operate without WoF due to power regulator limitations.
  • CPUs with four and eight cores function normally.

Energy consumption

NOTE: numbers are approximate and may vary. System power measured at wall with standard instruments. CPU power reported by OCC.

Component Design Power Power Use (Idle) Power Use (Full Load) Additional Information
8-core CPU (02CY089): DD2.2, 3.45/3.8 GHz 160W 28-30W 114W Load generated via stress --cpu 32. CPU frequency scheduler: ondemand. Data reported by lm_sensors.
Blackbird 8-core bundle (BK1B02) with 2x 32GB RAM 54W 164W Load generated via stress --cpu 32. CPU frequency scheduler: ondemand. PSU: Seasonic PRIME 850W 80+ Platinum


See also

External Links