diff --git a/data/grid5000/sites/sophia/clusters/esterel31/esterel31.json b/data/grid5000/sites/sophia/clusters/esterel31/esterel31.json
index 64396142b8e7020c6323ff0a3aa2ccffab173458..9b24415d5e2a54dbb0c1884b3ee4190fb9a7ab0f 100644
--- a/data/grid5000/sites/sophia/clusters/esterel31/esterel31.json
+++ b/data/grid5000/sites/sophia/clusters/esterel31/esterel31.json
@@ -1,9 +1,9 @@
 {
-  "boot_type": "uefi",
-  "created_at": "Thu, 01 Jan 1970 00:00:00 GMT",
+  "boot_type": "bios",
+  "created_at": "Wed, 16 Apr 2025 00:00:00 GMT",
   "exotic": false,
   "kavlan": false,
-  "manufactured_at": "1970-01-01",
+  "manufactured_at": "2020-08-10",
   "metrics": [
     {
       "description": "Default subset of metrics from Prometheus Node Exporter",
@@ -51,10 +51,10 @@
       }
     }
   ],
-  "model": "Cluster Model",
+  "model": "Dell PowerEdge T640",
   "nodes_count": 4,
-  "nodes_description": "1 CPU Unknown vendor, 72 cores/CPU, 0GB RAM, 0GB SSD, 1 x 10Gb Ethernet",
-  "priority": 197001,
+  "nodes_description": "1 CPU Intel Xeon Gold 6230R, 72 cores/CPU, 0GB RAM, 0GB SSD, 1 x 10Gb Ethernet",
+  "priority": 202008,
   "queues": [
     "admin",
     "testing"
@@ -62,5 +62,5 @@
   "redfish": true,
   "type": "cluster",
   "uid": "esterel31",
-  "warranty_end": "1970-01-01"
+  "warranty_end": "2027-08-10"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-1.json b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-1.json
index 8b213499e6d918efb6788e419e73ff9048d654c0..5db054a9fcf861d38b99714e4644d4da72dcdbae 100644
--- a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-1.json
@@ -13,17 +13,17 @@
   },
   "bmc_version": "v1",
   "chassis": {
-    "manufactured_at": "1970-01-01",
+    "manufactured_at": "2020-08-10",
     "manufacturer": "Unknown",
     "name": "Unknown",
-    "warranty_end": "1970-01-01"
+    "warranty_end": "2027-08-10"
   },
   "exotic": false,
   "main_memory": {
     "ram_size": 8
   },
   "management_tools": {
-    "bmc_vendor_tool": "ipmitool",
+    "bmc_vendor_tool": "racadm",
     "ipmitool": {
       "retries": 5
     }
@@ -77,8 +77,8 @@
     "turboboost_enabled": true
   },
   "performance": {
-    "core_flops": 128,
-    "node_flops": 9216
+    "core_flops": 67200000000,
+    "node_flops": 4838400000000
   },
   "processor": {
     "cache_l1": null,
@@ -86,15 +86,15 @@
     "cache_l1i": 8,
     "cache_l2": 8,
     "cache_l3": 8,
-    "clock_speed": 8,
+    "clock_speed": 2100000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Haswell",
+    "microarchitecture": "Cascade Lake-SP",
     "microcode": "0xd000001",
-    "model": "Unknown",
-    "other_description": "description",
-    "vendor": "vendor",
-    "version": "vendor"
+    "model": "Intel Xeon",
+    "other_description": "Intel Xeon Gold 6230R CPU @ 2.10GHz",
+    "vendor": "Intel",
+    "version": "Gold 6230R"
   },
   "redfish": true,
   "software": {
diff --git a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-2.json b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-2.json
index 25ea6495d6dd176602f50afb79d830f1d8d9b8d7..c0d5044d9368babe2a565db1aa8b2ed9d15762ea 100644
--- a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-2.json
+++ b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-2.json
@@ -13,17 +13,17 @@
   },
   "bmc_version": "v1",
   "chassis": {
-    "manufactured_at": "1970-01-01",
+    "manufactured_at": "2020-08-10",
     "manufacturer": "Unknown",
     "name": "Unknown",
-    "warranty_end": "1970-01-01"
+    "warranty_end": "2027-08-10"
   },
   "exotic": false,
   "main_memory": {
     "ram_size": 8
   },
   "management_tools": {
-    "bmc_vendor_tool": "ipmitool",
+    "bmc_vendor_tool": "racadm",
     "ipmitool": {
       "retries": 5
     }
@@ -77,8 +77,8 @@
     "turboboost_enabled": true
   },
   "performance": {
-    "core_flops": 128,
-    "node_flops": 9216
+    "core_flops": 67200000000,
+    "node_flops": 4838400000000
   },
   "processor": {
     "cache_l1": null,
@@ -86,15 +86,15 @@
     "cache_l1i": 8,
     "cache_l2": 8,
     "cache_l3": 8,
-    "clock_speed": 8,
+    "clock_speed": 2100000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Haswell",
+    "microarchitecture": "Cascade Lake-SP",
     "microcode": "0xd000001",
-    "model": "Unknown",
-    "other_description": "description",
-    "vendor": "vendor",
-    "version": "vendor"
+    "model": "Intel Xeon",
+    "other_description": "Intel Xeon Gold 6230R CPU @ 2.10GHz",
+    "vendor": "Intel",
+    "version": "Gold 6230R"
   },
   "redfish": true,
   "software": {
diff --git a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-3.json b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-3.json
index 0b2ddafbb3dd7d11caf5e8aac3665015cd034e5a..1beb8f33e195ebf2d7a65c8bc55891f5699df493 100644
--- a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-3.json
+++ b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-3.json
@@ -13,17 +13,17 @@
   },
   "bmc_version": "v1",
   "chassis": {
-    "manufactured_at": "1970-01-01",
+    "manufactured_at": "2020-08-10",
     "manufacturer": "Unknown",
     "name": "Unknown",
-    "warranty_end": "1970-01-01"
+    "warranty_end": "2027-08-10"
   },
   "exotic": false,
   "main_memory": {
     "ram_size": 8
   },
   "management_tools": {
-    "bmc_vendor_tool": "ipmitool",
+    "bmc_vendor_tool": "racadm",
     "ipmitool": {
       "retries": 5
     }
@@ -77,8 +77,8 @@
     "turboboost_enabled": true
   },
   "performance": {
-    "core_flops": 128,
-    "node_flops": 9216
+    "core_flops": 67200000000,
+    "node_flops": 4838400000000
   },
   "processor": {
     "cache_l1": null,
@@ -86,15 +86,15 @@
     "cache_l1i": 8,
     "cache_l2": 8,
     "cache_l3": 8,
-    "clock_speed": 8,
+    "clock_speed": 2100000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Haswell",
+    "microarchitecture": "Cascade Lake-SP",
     "microcode": "0xd000001",
-    "model": "Unknown",
-    "other_description": "description",
-    "vendor": "vendor",
-    "version": "vendor"
+    "model": "Intel Xeon",
+    "other_description": "Intel Xeon Gold 6230R CPU @ 2.10GHz",
+    "vendor": "Intel",
+    "version": "Gold 6230R"
   },
   "redfish": true,
   "software": {
diff --git a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-4.json b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-4.json
index db7ee1492248ffd38156ab99006e512eadb31370..9060890578fb879ff8e39b481bf44353f4e18f9b 100644
--- a/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-4.json
+++ b/data/grid5000/sites/sophia/clusters/esterel31/nodes/esterel31-4.json
@@ -13,17 +13,17 @@
   },
   "bmc_version": "v1",
   "chassis": {
-    "manufactured_at": "1970-01-01",
+    "manufactured_at": "2020-08-10",
     "manufacturer": "Unknown",
     "name": "Unknown",
-    "warranty_end": "1970-01-01"
+    "warranty_end": "2027-08-10"
   },
   "exotic": false,
   "main_memory": {
     "ram_size": 8
   },
   "management_tools": {
-    "bmc_vendor_tool": "ipmitool",
+    "bmc_vendor_tool": "racadm",
     "ipmitool": {
       "retries": 5
     }
@@ -77,8 +77,8 @@
     "turboboost_enabled": true
   },
   "performance": {
-    "core_flops": 128,
-    "node_flops": 9216
+    "core_flops": 67200000000,
+    "node_flops": 4838400000000
   },
   "processor": {
     "cache_l1": null,
@@ -86,15 +86,15 @@
     "cache_l1i": 8,
     "cache_l2": 8,
     "cache_l3": 8,
-    "clock_speed": 8,
+    "clock_speed": 2100000000,
     "ht_capable": true,
     "instruction_set": "x86-64",
-    "microarchitecture": "Haswell",
+    "microarchitecture": "Cascade Lake-SP",
     "microcode": "0xd000001",
-    "model": "Unknown",
-    "other_description": "description",
-    "vendor": "vendor",
-    "version": "vendor"
+    "model": "Intel Xeon",
+    "other_description": "Intel Xeon Gold 6230R CPU @ 2.10GHz",
+    "vendor": "Intel",
+    "version": "Gold 6230R"
   },
   "redfish": true,
   "software": {
diff --git a/input/grid5000/sites/sophia/clusters/esterel31/esterel31.yaml b/input/grid5000/sites/sophia/clusters/esterel31/esterel31.yaml
index 56cb203510709e5e7288e89de0f6b223f5d0fbac..b2de3d82ed5e3407b2f0fd7a84b1f372f4ddef20 100644
--- a/input/grid5000/sites/sophia/clusters/esterel31/esterel31.yaml
+++ b/input/grid5000/sites/sophia/clusters/esterel31/esterel31.yaml
@@ -1,24 +1,24 @@
 ---
-model: Cluster Model # TODO: change this value.
-created_at: 1970-01-01 # TODO: change this value
+model: Dell PowerEdge T640 
+created_at: 2025-04-16
 kavlan: false
-boot_type: uefi # TODO: specify if 'uefi' (ideally) or 'bios' (legacy, if no other choice)
-exotic: false # TODO: specify if 'true' or 'false'
+boot_type: bios
+exotic: false
 queues:
   - admin
   - testing
 nodes:
   esterel31-[1-4]:
     chassis:
-      manufactured_at: 1970-01-01 # TODO: if not Dell vendor, put date. if Dell, use rake gen:dell-product-data after g5k-checks import, and remove this line.
-      warranty_end: 1970-01-01 # TODO: if not Dell vendor, put date. if Dell, use rake gen:dell-product-data after g5k-checks import, and remove this line.
+      manufactured_at: 2020-08-10
+      warranty_end: 2027-08-10
     supported_job_types:
       deploy: true
       besteffort: true
       max_walltime: 0
     processor:
-      microarchitecture: Haswell # TODO: replace with microarch name.
-      clock_speed: 8 # TODO: Replace with clock speed.
+      microarchitecture: Cascade Lake-SP
+      clock_speed: 2_100_000_000
     network_adapters:
       bmc:
         interface: Ethernet
@@ -35,7 +35,7 @@ nodes:
         interface: SAS
         by_path: "/dev/disk/by-path/dummy" # this path will have to change later.
     software:
-      standard-environment: debian11-x64-std # TODO: check that architecture is OK
+      standard-environment: debian11-x64-std
     management_tools:
-      bmc_vendor_tool: ipmitool # TODO: replace with bmc_vendor_tool (ipmitool, racadm)
+      bmc_vendor_tool: racadm
     nodeset: esterel31
diff --git a/input/grid5000/sites/sophia/clusters/esterel31/nodes.yaml.erb b/input/grid5000/sites/sophia/clusters/esterel31/nodes.yaml.erb
index eafad48a26a732b884fc9dc7f347431fbd68e884..53f63a8029f571670bbbbd23cfe134a69d04525d 100644
--- a/input/grid5000/sites/sophia/clusters/esterel31/nodes.yaml.erb
+++ b/input/grid5000/sites/sophia/clusters/esterel31/nodes.yaml.erb
@@ -43,10 +43,10 @@ nodes:
         size: 8 # Fake size, will be replaced by g5k-checks
         technology: dram # Common memory technology, will be replaced by g5k-checks
     processor:
-      model: Unknown # Fake model name, will be replaced by g5k-checks
-      other_description: description # Fake description, will be replaced by g5k-checks
-      vendor: vendor # Fake vendor, will be replaced by g5k-checks
-      version: vendor # Fake version, will be replaced by g5k-checks
+      model: Intel Xeon # Fake model name, will be replaced by g5k-checks
+      other_description: Intel Xeon Gold 6230R CPU @ 2.10GHz # Fake description, will be replaced by g5k-checks
+      vendor: Intel # Fake vendor, will be replaced by g5k-checks
+      version: Gold 6230R # Fake version, will be replaced by g5k-checks
       cache_l1d: 8 # Fake cache, will be replaced by g5k-checks
       cache_l1i: 8 # Fake cache, will be replaced by g5k-checks
       cache_l2: 8 # Fake cache, will be replaced by g5k-checks
diff --git a/lib/refrepo/input_loader.rb b/lib/refrepo/input_loader.rb
index 00e5e9149a39f4e6e8c8ad47cf9f1187a45b905f..cccfb4ef6a199794ad5f84011abcd1deece1c169 100644
--- a/lib/refrepo/input_loader.rb
+++ b/lib/refrepo/input_loader.rb
@@ -744,7 +744,7 @@ def get_flops_per_cycle(microarch, cpu_name, cluster_uid)
     case cpu_name
     when /Silver 4110/, /Silver 4114/, /Silver 4214/, /Silver 4216/, /Gold 5218/, /Gold 5220/, /Gold 5115/, /Gold 5118/, /Gold 5120/, /Gold 5220R/
       return 16
-    when /Gold 6126/, /Gold 6130/, /Gold 6142/, /Gold 6154/, /Gold 6240/, /Gold 6248/, /Gold 6254/, /Gold 6240L/, /Gold 6238R/
+    when /Gold 6126/, /Gold 6130/, /Gold 6142/, /Gold 6154/, /Gold 6240/, /Gold 6248/, /Gold 6254/, /Gold 6240L/, /Gold 6230R/, /Gold 6238R/
       return 32
     end
     raise "Error: unknown CPU flop per cycle for #{cpu_name} (cluster #{cluster_uid}), cannot compute flops"