Supermicro X8DAH Dual Xeon Workstation

Server

Supermicro X8DAH Dual Xeon Workstation

Report Type: System Diagnostic & Hardware Inventory
•
Target Host: supermicro (192.168.xxx.xxx)
•
Site: CZ-BRN-NEU
Verification Date: August 24, 2026

1. System Summary & Computer Overview

Category Property Value
Computer Computer Type ACPI x64-based Multi-Processor Server / Workstation
Hostname supermicro
System Vendor Supermicro
Product Model X8DAH (Version: 1234567890)
Motherboard Supermicro X8DAH
Motherboard MAC 04:ed:33:c3:5e:5b (Wi-Fi) / 00:25:90:e6:21:4a (LAN1)
Operating System OS Distribution Debian GNU/Linux 13 (Trixie) x86_64
Kernel Release Linux 6.12.101+deb13-amd64 (#1 SMP PREEMPT_DYNAMIC)
Compiler / Toolchain GCC 14.2.0, GNU Binutils 2.44
Architecture 64-bit (x86_64, Little-Endian)
Kernel Boot Options BOOT_IMAGE=/boot/vmlinuz-6.12.101+deb13-amd64 root=UUID=bec6f268-5b35-4005-bb30-5fa65b5ae96b ro noapic quiet
Processors CPU Sockets 2 x Socket B (LGA1366)
Processor Models 2 x Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
Core / Thread Count 8 physical cores / 16 threads (4 cores / 8 threads per socket)
Microarchitecture Westmere-EP (32nm, Stepping 2, Microcode 0x1f)
Memory Physical Installed RAM 240.0 GB (15 x 16 GB DDR3 Registered ECC)
Linux Usable RAM 236.14 GiB (247,606,564 kB)
Swap Space 11.83 GiB (12,401,660 kB)
Graphics Primary Accelerator AMD Radeon Instinct / Pro Vega 20 (32 GB HBM2 VRAM, PCIe Gen3 x16)
Secondary Display Matrox MGA G200eW WPCM450 (rev 0a) Server 2D VGA
Storage OS Root Drive 250 GB Samsung SSD 850 EVO (/dev/sdb1 ext4 root /)
High-Speed RAID0 1.5 TB Software RAID0 (/dev/md127 ext4 on 2 x 800 GB Enterprise SSDs)
Networking Active Wi-Fi Intel Wi-Fi 6 AX200 (wlp4s0 at 192.168.111.100/24)
Dual Gigabit Ethernet 2 x Intel 82576 Gigabit Network Connection (enp1s0f0, enp1s0f1)

2. Motherboard & Chipset

Motherboard Properties

  • Manufacturer: Supermicro
  • Model: X8DAH
  • Version: 1234567890
  • Form Factor: Server / SSI EEB
  • Chassis Type: Main Server Chassis (Type 17)

BIOS & Firmware

  • Vendor: American Megatrends Inc. (AMI)
  • Version: 2.1
  • Release: 8.16
  • Date: 12/30/2011
  • Features: PCI, ACPI, SMBIOS, Multi-Boot, Serial Redirection

Chipset Architecture

  • Northbridge / Dual I/O Hubs: Dual Intel 5520 I/O Hubs (IOH 0 at Bus 00: and IOH 1 at Bus 80:) connected via Dual QuickPath Interconnect (QPI) @ 5.86 GT/s.
  • Southbridge: Intel 82801JIR (ICH10R) LPC Controller with integrated 6-port SATA AHCI, USB 2.0 EHCI/UHCI, High Definition Audio, and SMBus controllers.

3. Processors (Dual Intel Xeon E5620)

CPU Specification CPU Socket #0 CPU Socket #1
Model Name Intel(R) Xeon(R) CPU E5620 @ 2.40GHz Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
Architecture & Lithography Westmere-EP (32 nm) Westmere-EP (32 nm)
Socket & Stepping LGA1366 / Family 6, Model 44, Stepping 2 LGA1366 / Family 6, Model 44, Stepping 2
Microcode Revision 0x1f (Rev 31) 0x1f (Rev 31)
Cores / Threads 4 Physical Cores / 8 Threads 4 Physical Cores / 8 Threads
Base / Turbo Frequencies 2.40 GHz Base / 2.401 GHz Turbo 2.40 GHz Base / 2.401 GHz Turbo
Idle Frequency 1.60 GHz (Scaling: acpi-cpufreq / schedutil) 1.60 GHz (Scaling: acpi-cpufreq / schedutil)
NUMA Node Association Node 0 (CPUs 0, 1, 2, 3, 8, 9, 10, 11) Node 1 (CPUs 4, 5, 6, 7, 12, 13, 14, 15)
BogoMIPS 4799.98 4799.98

Cache Hierarchy

Cache Level Type Capacity per Core/Socket Total Aggregate Associativity & Line Size
L1 Data Data (L1d) 32 KiB / core 256 KiB (8 instances) 8-way associative, 64-byte line
L1 Instruction Instruction (L1i) 32 KiB / core 256 KiB (8 instances) 4-way associative, 64-byte line
L2 Unified Unified (L2) 256 KiB / core 2048 KiB (2 MiB) 8-way associative, 64-byte line
L3 Shared Unified (L3) 12288 KiB (12 MiB) / socket 24576 KiB (24 MiB) 16-way associative, 64-byte line

Hardware Vulnerability & Mitigation Status

Vulnerability Kernel Status Mitigation Details
Meltdown Mitigated Kernel Page Table Isolation (PTI) active
Spectre v1 Mitigated usercopy/swapgs barriers and __user pointer sanitization
Spectre v2 Mitigated Retpolines, conditional IBPB, IBRS_FW, conditional STIBP, RSB filling
Speculative Store Bypass Mitigated Speculative Store Bypass disabled via prctl
L1TF (Foreshadow) Mitigated PTE Inversion, VMX conditional cache flushes
MDS Vulnerable Buffer clearing attempted, no newer microcode available for platform
Retbleed / SRBDS / GDS Not affected Architecture not susceptible to these specific newer errata

4. Memory (RAM) & NUMA Subsystem

Total Physical Memory

240.0 GB

15 x 16 GB DDR3 Registered ECC RDIMMs

EDAC Health Status

0 Errors

Mode: S8ECD8ED (0 Correctable / 0 Uncorrectable)

Linux Usable Memory

236.14 GiB

Swap: 11.83 GiB (0% utilized)

NUMA & Channel Physical Layout

+-----------------------------------------------------------------------------------+
|                            SUPERMICRO X8DAH MOTHERBOARD                           |
|                                                                                   |
|  [ CPU Socket #0: NUMA Node 0 ]                 [ CPU Socket #1: NUMA Node 1 ]    |
|   Memory Controller #0: 144 GiB                  Memory Controller #1: 96 GiB     |
|   (3 Channels x 3 Slots = 9 DIMMs)               (2 Channels x 3 Slots = 6 DIMMs) |
|                                                                                   |
|   - Channel 0:                                   - Channel 0:                     |
|     * DIMM 0: 16 GB Registered DDR3                * Slot 0: [ EMPTY ]            |
|     * DIMM 1: 16 GB Registered DDR3                * Slot 1: [ EMPTY ]            |
|     * DIMM 2: 16 GB Registered DDR3                * Slot 2: [ EMPTY ]            |
|   - Channel 1:                                   - Channel 1:                     |
|     * DIMM 3: 16 GB Registered DDR3                * DIMM 3: 16 GB Registered DDR3|
|     * DIMM 4: 16 GB Registered DDR3                * DIMM 4: 16 GB Registered DDR3|
|     * DIMM 5: 16 GB Registered DDR3                * DIMM 5: 16 GB Registered DDR3|
|   - Channel 2:                                   - Channel 2:                     |
|     * DIMM 6: 16 GB Registered DDR3                * DIMM 6: 16 GB Registered DDR3|
|     * DIMM 7: 16 GB Registered DDR3                * DIMM 7: 16 GB Registered DDR3|
|     * DIMM 8: 16 GB Registered DDR3                * DIMM 8: 16 GB Registered DDR3|
|                                                                                   |
|   Subtotal: 9 x 16 GB = 144 GB                   Subtotal: 6 x 16 GB = 96 GB      |
+-----------------------------------------------------------------------------------+
|                        TOTAL SYSTEM PHYSICAL RAM: 240 GB                          |
+-----------------------------------------------------------------------------------+

Physical DIMM Slot Inventory

Controller Channel Slot Label Capacity Type EDAC Mode Errors
mc0 (CPU #0) Channel 0 Slot 0 CPU#0Channel#0_DIMM#0 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 0 Slot 1 CPU#0Channel#0_DIMM#1 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 0 Slot 2 CPU#0Channel#0_DIMM#2 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 1 Slot 0 CPU#0Channel#1_DIMM#0 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 1 Slot 1 CPU#0Channel#1_DIMM#1 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 1 Slot 2 CPU#0Channel#1_DIMM#2 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 2 Slot 0 CPU#0Channel#2_DIMM#0 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 2 Slot 1 CPU#0Channel#2_DIMM#1 16 GB Reg DDR3 S8ECD8ED 0
mc0 (CPU #0) Channel 2 Slot 2 CPU#0Channel#2_DIMM#2 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 0 Slots 0-2 Unpopulated 0 MB Empty – –
mc1 (CPU #1) Channel 1 Slot 0 CPU#1Channel#1_DIMM#0 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 1 Slot 1 CPU#1Channel#1_DIMM#1 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 1 Slot 2 CPU#1Channel#1_DIMM#2 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 2 Slot 0 CPU#1Channel#2_DIMM#0 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 2 Slot 1 CPU#1Channel#2_DIMM#1 16 GB Reg DDR3 S8ECD8ED 0
mc1 (CPU #1) Channel 2 Slot 2 CPU#1Channel#2_DIMM#2 16 GB Reg DDR3 S8ECD8ED 0

5. Graphics & Display Adapters

Primary Accelerator: AMD Radeon Instinct / Pro Vega 20

Architecture Vega 20 (7nm GCN 5.0 Compute Accelerator)
PCIe Bus & Link PCIe 87:00.0 • PCIe 3.0 (16.0 GT/s) x16 Width
Video Memory (VRAM) 32.0 GB HBM2 (34,342,961,152 Bytes Stacked Memory)
GTT Memory Allocation 118.0 GiB (126,774,558,720 Bytes)
VBIOS Version / Unique ID 113-D1640200-043 • ID: abd278c17348c2f5
Driver / Interface amdgpu (DRM card1 / renderD128)
Power Cap & Idle Draw 178.0 W PPT Cap • 20.00 W Idle Draw (Voltage: 737 mV)
Display Outputs 6 x Physical DisplayPort Connectors (card1-DP-1 to card1-DP-6)

Dynamic Power Management (DPM) Frequency States

  • Core Clock (sclk): 9 states (925 MHz, 938 MHz [Active Idle], 1076 MHz, 1179 MHz, 1264 MHz, 1339 MHz, 1556 MHz, 1711 MHz, 1800 MHz Max Turbo)
  • Memory Clock (mclk): 3 states (350 MHz [Active Idle], 800 MHz, 1000 MHz / 1.0 GHz HBM2)
  • SoC Clock (socclk): 8 states (309 MHz [Active Idle] up to 971 MHz)

Secondary Server 2D VGA: Matrox MGA G200eW

PCI Bus 06:04.0 • Driver: mgag200 • Active Framebuffer: /dev/fb0 (1024×768 @ 32bpp). Serves local crash-cart monitor and IPMI KVM video redirection.

6. Storage Subsystem & Drive Inventory

+-------------------------------------------------------------------------------------------------------+
|                                    PHYSICAL DISK & ARRAY TOPOLOGY                                     |
|                                                                                                       |
|  [ /dev/sdb ] 250 GB Samsung 850 EVO SSD (OS Root & Swap)                                             |
|   +-- /dev/sdb1 (ext4, 221.1 GiB) ---------> [ / ] (OS Root: 40 GB used, 165 GB free)                 |
|   +-- /dev/sdb5 (swap, 11.8 GiB) ----------> [ SWAP ]                                                 |
|                                                                                                       |
|  [ /dev/sda ] 800 GB Enterprise SSD (MK0800GEYKE) --+                                                |
|                                                     +==> [ /dev/md127 ] 1.5 TB RAID0 (ext4)           |
|  [ /dev/sdc ] 800 GB Enterprise SSD (MK0800GEYKE) --+     `--> [ /mnt/raid0 ] (Models & Scratch)      |
+-------------------------------------------------------------------------------------------------------+
Device Model Serial Number Capacity Sector Role & Mount
/dev/sda MK0800GEYKE Enterprise SSD BTHV546605MU800OGN 745.2 GiB (800 GB) 4096/512 RAID0 Member Disk (md127)
/dev/sdc MK0800GEYKE Enterprise SSD BTHV54660560800OGN 745.2 GiB (800 GB) 4096/512 RAID0 Member Disk (md127)
/dev/sdb Samsung SSD 850 EVO S21PNSAGA22961P 232.9 GiB (250 GB) 512/512 sdb1 (Root /, 165.4 GB Free) + sdb5 (Swap)
/dev/md127 Linux mdraid RAID0 UUID: ebd28915... 1.49 TiB (1.5 TB) 512k chunk Mounted at /mnt/raid0 (ext4, 1.34 TiB Free)

7. Network Adapters & Connectivity

Interface Hardware Controller MAC Address Driver Status IP Address Configuration
wlp4s0 Intel Wi-Fi 6 AX200 (PCIe 04:00.0) 04:ed:33:c3:5e:5b iwlwifi UP (Active) 192.168.111.100/24 (SSID: XGS)
enp1s0f0 Intel 82576 Dual Gigabit (PCIe 01:00.0) 00:25:90:e6:21:4a igb (FW: 1.4.3) DOWN (Standby) Unassigned (1 Gbit/s capable)
enp1s0f1 Intel 82576 Dual Gigabit (PCIe 01:00.1) 00:25:90:e6:21:4b igb (FW: 1.4.3) DOWN (Standby) Unassigned (1 Gbit/s capable)

8. Thermal Telemetry, Sensors & Fan Subsystem

CPU #0 Package

+24 C to +32 C

Crit: +95 C

CPU #1 Package

+27 C to +34 C

Crit: +95 C

Intel 5520 Chipset

+58.0 C

Max: +100 C

AMD Vega 20 GPU

+33 C / +36 C

Edge / Memory

Automated Microcontroller Fan Management

Closed-loop PWM fan control is orchestrated via an onboard Raspberry Pi Pico (RP2040) microcontroller communicating over CDC ACM Serial (/dev/serial/by-id/usb-Raspberry_Pi_Pico_...) at 115200 baud.

  • Service: cheesegrater-fan-control.service
  • Thermal Target: Dynamically mapped to GPU HWMon temperatures (40% at ≤30 C, 50% at 50 C, 65% at 60 C, 85% at 70 C, 100% fail-safe at ≥80 C).

9. Operating System & AI Stack

AI Services

  • Open WebUI (v0.11.0): Active on http://192.168.111.100:8080/
  • llama-server Backend: Endpoint 127.0.0.1:8081 (Offloading to Vega 20 32 GB HBM2 VRAM)
  • Model Storage: /mnt/raid0/models/openwebui-router

Platform & Tooling

  • Distribution: Debian GNU/Linux 13 (Trixie) x86_64
  • Kernel: Linux 6.12.101+deb13-amd64
  • Python Environment: Python 3.13.5 with uv tool manager
  • Remote Management: OpenSSH 10.0p2 with pinned Ed25519 host key

10. Diagnostic Health & Operational Assessment

  1. Memory Subsystem Integrity: All 15 installed DDR3 ECC memory modules (240 GB physical) are functioning with zero recorded single-bit or multi-bit errors in Linux EDAC.
  2. Thermal Efficiency: Processors maintain cool idle temperatures (24 C to 34 C). GPU temperatures remain steady at 33 C to 36 C under custom closed-loop RP2040 fan control.
  3. Storage Subsystem: The 1.5 TB enterprise SSD RAID0 array provides high throughput for LLM weight caching with 1.34 TiB available.
  4. AI Acceleration Readiness: The AMD Radeon Instinct / Pro Vega 20 GPU with 32 GB HBM2 memory on PCIe Gen3 x16 is healthy and operational for lab-wide inference workloads.
Report compiled from live system telemetry on August 24, 2026. CZ-BRN-NEU Infrastructure Operations.