S7503E-M從R738F05及以上S7500EA-版本可

 S7503E-M從R738F05及以上S7500EA-版本可以直接升級到7552PO1.及以上S7500E-版本,R7536PO5以下S7500EA~版本必須先手動升級主控B00TROM到07及以上版本方可以升級到7552PO1及以上S7500E-版本。”，H3C官網上軟件版本怎樣查看哪些軟件版本主控BOOTROM的版本在107及以上的軟件版本，以及如何先升級主控BOOTROM版本到107或以上，再升級設備軟件版本，請給出具體的操作配置及操作步驟

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