diff --git a/crates/api-core/src/ipxe.rs b/crates/api-core/src/ipxe.rs
index 473a0ce5c7..0450725fc3 100644
--- a/crates/api-core/src/ipxe.rs
+++ b/crates/api-core/src/ipxe.rs
@@ -353,8 +353,7 @@ exit ||
             // use:
             // - If we don't have an exploration report for this MAC address, don't PXE boot at all
             // - If it's X86 and we have an exploration report, assume it's a Host.
-            // - If it's ARM and we have an exploration report, check if the report has a
-            //   BlueField part number.
+            // - If it's ARM, only treat it as a DPU when the explored endpoint is itself a DPU BMC.
             let Some(endpoint) =
                 db::explored_endpoints::find_by_mac_address(&mut *txn, interface.mac_address)
                     .await?
@@ -370,7 +369,7 @@ exit ||
             let (machine_type, console) = match target.arch {
                 rpc::MachineArchitecture::X86 => (MachineType::PredictedHost, console),
                 rpc::MachineArchitecture::Arm => {
-                    if endpoint.has_bluefield_part_number() {
+                    if endpoint.report.is_dpu() {
                         (MachineType::Dpu, console)
                     } else {
                         (MachineType::PredictedHost, "ttyAMA0")