--- bookToc: true title: "NVidia Grace CPU" --- # MegaRac Altra ## Linux lscpu ``` Architecture: aarch64 CPU op-mode(s): 64-bit Byte Order: Little Endian CPU(s): 72 On-line CPU(s) list: 0-71 Vendor ID: ARM Model name: Neoverse-V2 Model: 0 Thread(s) per core: 1 Core(s) per socket: 72 Socket(s): 1 Stepping: r0p0 BogoMIPS: 2000.00 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm ssbs sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh bti Caches (sum of all): L1d: 4.5 MiB (72 instances) L1i: 4.5 MiB (72 instances) L2: 72 MiB (72 instances) L3: 114 MiB (1 instance) NUMA: NUMA node(s): 1 NUMA node0 CPU(s): 0-71 Vulnerabilities: Gather data sampling: Not affected Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Not affected Reg file data sampling: Not affected Retbleed: Not affected Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; __user pointer sanitization Spectre v2: Not affected Srbds: Not affected Tsx async abort: Not affected ``` ## Linux dmidecode ``` # dmidecode 3.5 Getting SMBIOS data from sysfs. SMBIOS 3.6.0 present. # SMBIOS implementations newer than version 3.5.0 are not # fully supported by this version of dmidecode. Table at 0x3C63C70000. Handle 0x0000, DMI type 42, 124 bytes Management Controller Host Interface Host Interface Type: Network Device Type: Vendor ID: 0x11:0x25:0x05:0xa2 Protocol ID: 04 (Redfish over IP) Service UUID: a6bd26ba-b0f4-413a-9054-75344b6e5bf5 Host IP Assignment Type: Static Host IP Address Format: IPv4 IPv4 Address: 10.0.1.2 IPv4 Mask: 255.255.255.0 Redfish Service IP Discovery Type: Static Redfish Service IP Address Format: IPv4 IPv4 Redfish Service Address: 10.0.1.1 IPv4 Redfish Service Mask: 255.255.255.0 Redfish Service Port: 443 Redfish Service Vlan: 0 Redfish Service Hostname: legoc1 Handle 0x0001, DMI type 0, 26 bytes BIOS Information Vendor: NVIDIA Version: 00020003 Release Date: 20240516 ROM Size: 64 MB Characteristics: PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported Serial services are supported (int 14h) ACPI is supported Targeted content distribution is supported UEFI is supported Firmware Revision: 24.3 Handle 0x0002, DMI type 7, 27 bytes Cache Information Socket Designation: L1 Instruction Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 4608 kB Maximum Size: 4608 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Unknown System Type: Instruction Associativity: 4-way Set-associative Handle 0x0003, DMI type 7, 27 bytes Cache Information Socket Designation: L1 Data Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 4608 kB Maximum Size: 4608 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Unknown System Type: Data Associativity: 4-way Set-associative Handle 0x0004, DMI type 7, 27 bytes Cache Information Socket Designation: L2 Cache Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 72 MB Maximum Size: 72 MB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Unknown System Type: Unified Associativity: 8-way Set-associative Handle 0x0005, DMI type 7, 27 bytes Cache Information Socket Designation: L3 Cache Configuration: Enabled, Not Socketed, Level 3 Operational Mode: Write Back Location: Internal Installed Size: 114 MB Maximum Size: 114 MB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Unknown System Type: Unified Associativity: 12-way Set-associative Handle 0x0006, DMI type 4, 50 bytes Processor Information Socket Designation: G1:0.0 Type: Central Processor Family: Manufacturer: NVIDIA ID: 41 02 6B 03 02 00 00 00 Version: Grace A02 Voltage: Unknown External Clock: 1000 MHz Max Speed: 4000 MHz Current Speed: 3447 MHz Status: Populated, Enabled Upgrade: None L1 Cache Handle: 0x0003 L2 Cache Handle: 0x0004 L3 Cache Handle: 0x0005 Serial Number: 0x00000001780A01860C00000016010200 Asset Tag: Part Number: Core Count: 72 Core Enabled: 72 Thread Count: 72 Characteristics: 64-bit capable Execute Protection Arm64 SoC ID Handle 0x0007, DMI type 9, 24 bytes System Slot Information Designation: PCIe Slot 1 Type: x16 PCI Express 5 x16 Current Usage: In Use Length: Long ID: 1 Characteristics: None Bus Address: 0000:01:00.0 Data Bus Width: 13 Peer Devices: 0 PCI Express Generation: 5 Slot Physical Width: x16 Height: Full height Handle 0x0008, DMI type 9, 24 bytes System Slot Information Designation: PCIe Slot 2 Type: x16 PCI Express 5 x16 Current Usage: In Use Length: Long ID: 2 Characteristics: None Bus Address: 0002:01:00.0 Data Bus Width: 13 Peer Devices: 0 PCI Express Generation: 5 Slot Physical Width: x16 Height: Full height Handle 0x0009, DMI type 9, 24 bytes System Slot Information Designation: M.2 NVMe Drive Slot 1 Type: x4 M.2 Socket 3 Current Usage: In Use Length: Other Characteristics: None Bus Address: 0004:01:00.0 Data Bus Width: 10 Peer Devices: 0 Slot Physical Width: x4 Height: Other Handle 0x000A, DMI type 9, 24 bytes System Slot Information Designation: M.2 NVMe Drive Slot 2 Type: x4 M.2 Socket 3 Current Usage: In Use Length: Other Characteristics: None Bus Address: 0005:01:00.0 Data Bus Width: 10 Peer Devices: 0 Slot Physical Width: x4 Height: Other Handle 0x000B, DMI type 9, 24 bytes System Slot Information Designation: PCIe Slot 3 Type: x16 PCI Express 5 x16 Current Usage: In Use Length: Long ID: 5 Characteristics: None Bus Address: 0006:01:00.0 Data Bus Width: 13 Peer Devices: 0 PCI Express Generation: 5 Slot Physical Width: x16 Height: Full height Handle 0x000C, DMI type 11, 5 bytes OEM Strings Handle 0x000D, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Abbreviated Installable Languages: 1 enUS Currently Installed Language: enUS Handle 0x000E, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Single-bit ECC Maximum Capacity: 240 GB Error Information Handle: No Error Number Of Devices: 1 Handle 0x000F, DMI type 17, 92 bytes Memory Device Array Handle: 0x000E Error Information Handle: 0x0000 Total Width: 540 bits Data Width: 480 bits Size: 240 GB Form Factor: Die Set: None Locator: LP5x_0 Bank Locator: LP5x_0 Type: LPDDR5 Type Detail: None Speed: 8532 MT/s Manufacturer: NVIDIA Serial Number: 9223381050307638979 Asset Tag: Not Specified Part Number: Not Specified Rank: 1 Configured Memory Speed: Unknown Minimum Voltage: 1.1 V Maximum Voltage: 1.1 V Configured Voltage: 1.1 V Memory Technology: DRAM Memory Operating Mode Capability: None Firmware Version: Not Specified Module Manufacturer ID: Bank 4, Hex 0x6B Module Product ID: Unknown Memory Subsystem Controller Manufacturer ID: Unknown Memory Subsystem Controller Product ID: Unknown Non-Volatile Size: None Volatile Size: 240 GB Cache Size: None Logical Size: None Handle 0x0010, DMI type 19, 31 bytes Memory Array Mapped Address Starting Address: 0x00080000000 Ending Address: 0x03C800003FF Range Size: 240 GB Physical Array Handle: 0x000E Partition Width: 0 Handle 0x0011, DMI type 2, 17 bytes Base Board Information Manufacturer: Not Specified Product Name: Not Specified Version: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Features: Board requires at least one daughter board Board is replaceable Location In Chassis: Unknown Chassis Handle: 0xFFFE Type: System Management Module Contained Object Handles: 0 Handle 0x0012, DMI type 2, 17 bytes Base Board Information Manufacturer: Not Specified Product Name: Not Specified Version: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Features: Board requires at least one daughter board Board is replaceable Location In Chassis: Unknown Chassis Handle: 0xFFFE Type: Processor+Memory Module Contained Object Handles: 1 0x000F Handle 0x0013, DMI type 32, 11 bytes System Boot Information Status: No errors detected Handle 0x0014, DMI type 38, 18 bytes IPMI Device Information Interface Type: SSIF (SMBus System Interface) Specification Version: 2.0 I2C Slave Address: 0x08 NV Storage Device Address: 0 Base Address: 0x08 (SMBus) Handle 0x0015, DMI type 41, 11 bytes Onboard Device Reference Designation: Embedded Video Controller Type: Video Status: Enabled Type Instance: 1 Bus Address: 0008:02:00.0 Handle 0x0016, DMI type 45, 24 bytes Firmware Inventory Information Firmware Component Name: UEFI Firmware Version: buildbrain-gcid-36287995 Firmware ID: UEFI Release Date: 2024-05-15T20:26:25+00:00 Manufacturer: NVIDIA Lowest Supported Firmware Version: buildbrain-gcid-36287995 Image Size: 64 MB Characteristics: Updatable: No Write-Protect: Yes State: Enabled Associated Components: 0 Handle 0x0017, DMI type 45, 24 bytes Firmware Inventory Information Firmware Component Name: System ROM Firmware Version: 00020003 Firmware ID: NVIDIA System Firmware Release Date: 20240516 Manufacturer: NVIDIA Lowest Supported Firmware Version: 00020003 Image Size: 64 MB Characteristics: Updatable: Yes Write-Protect: No State: Enabled Associated Components: 0 Handle 0x0018, DMI type 45, 26 bytes Firmware Inventory Information Firmware Component Name: Full FW Image Firmware Version: 28.41.1000 Firmware ID: Full FW Image Release Date: Not Specified Manufacturer: Not Specified Lowest Supported Firmware Version: 0x00000002 Image Size: None Characteristics: Updatable: Yes Write-Protect: No State: Enabled Associated Components: 1 0x0008 Handle 0x0019, DMI type 45, 24 bytes Firmware Inventory Information Firmware Component Name: FW_FPGA_0 Firmware Version: 0.96 Firmware ID: FW_FPGA_0 Release Date: Not Specified Manufacturer: Not Specified Lowest Supported Firmware Version: 0.96 Image Size: Unknown Characteristics: Updatable: Yes Write-Protect: Yes State: Enabled Associated Components: 0 Handle 0xFEFF, DMI type 127, 4 bytes End Of Table ``` ## Linux cmdline ``` $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.8.0-45-generic root=UUID=5c1b9bd0-cddf-411f-8f05-a1ede3a45f78 ro audit=0 default_hugepagesz=2M hugepagesz=1G hugepages=32 hugepagesz=2M hugepages=32768 iommu.passthrough=1 isolcpus=1-71 nmi_watchdog=0 nohz_full=1-71 nosoftlockup processor.max_cstate=1 rcu_nocbs=1-71 cpufreq.off=1 cpuidle.off=1 ``` ## NVidia Grace Server Firmware Inventory ``` Host. IPMI IP. BMC. BIOS. Cx-7 Firmware. mlx5. s36-t27-sut1. 10.30.50.36. ?. ?. TBD. 24.04-0.7.0.0. ```