Server mainboards/VRMs/memory, PCIe/CXL fabrics, NICs/DPU/accelerators, storage & backplanes, BMC/security, rack power/cooling/telemetry, timing & OOB/KVM. Each card links to a focused page.
Server Boards & Power Rails
Rack Server Mainboard
Multi-rail digital power/VRMs, clock/PLL & PCIe ref-clk with thermal/current telemetry and power-fail logs.
CPU VRM (VR13/VR12+)
Multiphase digital controllers, DrMOS/power stages with PMBus telemetry, inductor sensing & protections.
DDR5 PMIC (on-DIMM)
Multi-rail bucks with telemetry/faults, temperature/voltage monitors and I²C/SMBus.
DDR5/DDR4 RCD / DB
Clock distribution, address/command re-drive with signal integrity/equalization.
SPD Hub & Temp Sensors
SPD multiplexing with TS temp arrays, EEPROM and power-loss hold-up.
CXL Memory Expander / Accelerator
CXL controllers/retimers with DDR5 PMICs, clock trees and PLP.
PCIe / Fabrics / Networking
PCIe Switch / Retimer
High-speed re-timing/equalization with SR-IOV/ACS, in-band telemetry and jitter control.
NIC / HCA (Ethernet or InfiniBand)
PHY/SerDes with PAM4 DSPs, TSO/crypto offload and clock/thermal/PMIC hooks.
DPU / SmartNIC
Programmable dataplanes with crypto/compression accel, PCIe switch/retimer and DDR power/monitoring.
NVLink / High-Speed Interconnect Switch
SerDes crosspoint switches with retiming/equalization and reference-clock jitter cleaners.
Accelerators & FPGA
GPU / AI Accelerator Card
High-current VRMs, HBM power/clocking, PCIe/NVLink retimers with thermal/power telemetry.
FPGA Accelerator Card
Multi-rail PMICs, JTAG/config flash, clock synthesis and PCIe/CXL PHY ties.
Storage, Backplanes & Enclosures
NVMe SSD Controller
PCIe PHYs with NAND channels, LDPC/ECC, PLP hold-up and thermal controls.
SAS/SATA HBA / RAID
Protocol controllers with SerDes, cache/PLP and comprehensive OOB management.
JBOF / NVMe-oF Enclosure
PCIe switches/retimers, SFF backplane management (I²C/SGPIO), environmental & power monitors.
Server Backplane (SFF-TA / EDSFF)
Presence drivers/detection, temp arrays, EEPROMs and hot-swap/LED control.
EDSFF Backplane (E1.S/E3)
PCIe re-timers with sideband management (PERST#/CLKREQ#) and SFF-TA-1005 control.
Management, Security & Timing
Baseboard Management Controller (BMC)
OOB management SoCs handling sensors/fans/power with IPMI/Redfish, crypto and secure boot.
TPM / HSM / Root of Trust
Secure boot, key storage/TRNG with attestation and remote measurement.
Time Card (PTP/SyncE/GPSDO)
GNSS receivers, OCXO/TCXO control with 1588 HW timestamps and jitter-cleaner PLLs.
KVM/IP & OOB Management
Video capture/compression, USB K/M mux, Ethernet PHYs with crypto and audit logs.
Rack Power, Cooling & Telemetry
CRPS / Server PSU
PFC+LLC digital power with PMBus telemetry, fan/thermal control and OR/parallel current-share protections.
48 V / 12 V Bus & Hot-Swap
eFuses/hot-swap controllers with SOA, inrush/reverse protections and event logs.
Fan & Thermal Management
Multi-fan drivers, tach/vibration sensing and smart thermal curves/derating.
Liquid Cooling Manifold & Pump Control
BLDC drives with flow/temp/ΔP AFEs, leak detection and redundant power domains.
Rack PDU & Power Metering
Metering SoCs, relay/solid-state switching with protections and Ethernet/serial uplinks.
Rack Environment & Access Control
Temp/humidity/smoke/door sensing with low-power MCUs, alarms and remote logging.
Test, Telemetry & Compliance
BIST/POST & Fault Injection
Loopback/signature analysis with programmable power gating and black-box logs.
In-band Telemetry & Power Log
PMBus/VR telemetry aggregation with event timestamps and anomaly-detection ICs.
Safety & EMC Subsystem
TVS/ESD, common-mode chokes, digital isolators and ground/leakage monitoring.
OCP / OpenRack Baseboard
I³C/I²C bus management, device discovery/addressing with multi-domain power/thermal monitoring.
Micro-DC Rack
PDU monitoring with eFuses/high-side switches, env/security sensors and OOB BMCs.
ToR Interposer Board
PAM4 retimers with clock fanout, thermal/power telemetry and status LEDs/EEPROM.
