Talos II

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TL2MB1 without optional SAS controller

Talos™ II is Raptor Computing Systems' next-generation POWER9 platform. Focusing on security and performance, it is a dual socket PowerNV system that is available in desktop, workstation, and server form factors, or as bare mainboard.

Talos II is the successor to the proposed Talos I system.


T2P9D01 Block Diagram


Mainboard Part # Form Factor CPU Type Networking Storage Controller
T2P9D01 EATX POWER9 Sforza 2x GbE (Broadcom BCM5719) SAS (optional, Microsemi PM8068)
  • EATX form factor
  • Two POWER9-compatible CPU sockets accepting 4-/8-/18- or 22-core Sforza CPUs
  • 16 DDR4 ECC registered RAM slots, quad-channel, supporting up to 2TB main memory
  • Two Gigabit Ethernet ports provided by a Broadcom BCM5719 chip
  • One Microsemi SAS 3.0 controller (optional, upcharge on selection)
  • 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
  • 1 VGA video port via BMC (2D framebuffer)
  • 3 PCIe 4.0 x16 slots (single-width)
  • 2 PCIe 4.0 x8 slots
  • AST2500 BMC with OpenBMC


  • Sforza CPU models not sold by Raptor (of any core count) are expected to work.
  • CPUs with a TDP greater than 190W are likely to work, but it is possible that they will trigger a shutdown due to power overload (shouldn't cause any damage). Test reports welcome.
  • Mismatched DD2.2/DD2.3 Sforza CPU models work fine (the DD2.3 CPU will behave like a DD2.2 model); DD2.1 should not be mixed with production steppings.
  • Mismatched Sforza CPU clock speeds probably will fail to boot with current firmware; Raptor Engineering might be available to implement firmware support as contract work.
  • Mismatched Sforza core counts will probably guard out the second CPU with current firmware; Raptor Engineering might be available to implement firmware support as contract work.

T2P9D01 Configuration SKUs

SKU Sockets RAM slots PCIe 4.0 slots SAS Controller
TL1MB1 1 8 1 x16, 1 x8 Does not change SKU
TL2MB1 2 16 3 x16, 2 x8 Does not change SKU

High-Resolution pictures

User manual

The primary user manual for the Talos II is the T2P9D01 User's Guide For Configuration and Setup.


In addition to being available as a mainboard, prebuilt systems are also available.

SKU Name
TL2WK2 Talos II Secure Workstation (Can be converted to 4U rack mount via "Rail Kit" add-on)
TL2SV1 Talos II 2U Rack Mount Development Platform
TL2SV2 Talos II 4U Rack Mount Development Platform
TL2DS1 Talos II Desktop Development System
TLSDS1 Talos II Special Developer System (DD2.1 stepping CPU)
TLSDS3 Talos II Entry-Level Developer System
TL1BC1 Talos II Lite Base Single CPU Board and Chassis

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
4-core CPU (DD2.1, 3.1/3.7GHz) 90W 31W 58W CPU held at 50°C die temperature. WoF not yet boosting to full power.
PM8068 SAS controller 23W
Desktop Development System (TL2DS1) 111W 192W 2x 4-core CPUs, 2x 16GB RAM, 1x 1TB NVMe drive, integrated PM8068 SAS. 80% efficiency PSU.


How To

See also

External Links