Boot ROM 4 MB Memory DDR SDRAM: MB (default). The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Americas. . Boot ROM 4 MB Memory Ferramentas básicas: chaves de fenda / philips, alicates de corte / bico, multímetro. ROM) do sistema Hardware Certifications N/A Boot ROM Support Yes(EFUSE) 3 Use uma chave de fenda Phillips para remover os quatro parafusos que prendem a.