# HPE iLO 7 v1.23 reference documents overview

HPE iLO Redfish reference documents consist of three documents bound to a specific iLO firmware version:

- [Resource map](/docs/redfishservices/ilos/ilo7/ilo7_123/ilo7_resmap123/)
- Resource definitions (i.e. [ServiceRoot](/docs/redfishservices/ilos/ilo7/ilo7_123/ilo7_serviceroot_resourcedefns123/))
- [Error messages](/docs/redfishservices/ilos/ilo7/ilo7_123/ilo7_msgregs123/)