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HPDesignjetZ6ProZ9+ProSeries-CertificateofVolatility
Introduction
Thefollowingisastatementregardingthevolatilityofcustomerdatastoredinmemorydevicesand
harddiskdrivesoftheHPDesignjetZ6ProPrinterSeriesandtheHPDesignjetZ9+ProPrinterSeries.
Theprinterusesvolatilememorytostorecustomerdataduringtheprintingprocess.Whentheprinteris
turnedoff,thisvolatilememoryiserased.Theprinterusesnon-volatilememorytostoredevice
configurationinformation.Thisnon-volatileinformationisusedtoinitializethevolatilememorywhen
theprinteristurnedonandatthebeginningofaprintjob.Theprinteralsocontainsaharddiskdrive
thatretainsdataaftertheprinterispoweredoff.
Volatilememory
VolatilememoryinHPDesignjetZ6ProPrinterSeriesandHPDesignjetZ9+ProPrinterSeriesinclude:
•MainRAMmemory.4GBytesbydefault.Usedassystemmemory.Allinformationiserased
whentheprinterispoweredoff.
•OthervolatilememoryusedasthemainmemoryforsomeASICsorasmicroprocessorcache.
Nonvolatilememory
NonvolatilememorycomponentsinHPDesignjetZ6ProPrinterSeriesandHPDesignjetZ9+ProPrinter
Seriesinclude:
•NVRAM–BIOS.16MBytes.Itdoesnotcontainuserdata.Itspurposeistoactasthebootloader
fortheBIOS.
•NVRAM–BIOS.8KBytesstoreparametersforfrontpanelvideoconfiguration.
•NVM256Kbits.Mountedonachipcontainsacopyoftheprinteridentificationvalues.
•NVMFlash16Mbytes.Itdoesnotcontainuserdata.Itspurposeistostoreadefaultbitstream
forthemainboardFPGA.
•NVMatlinesensor16Kbits.Itcontainscalibrationtablesforthesensor.
•Z9+Pro:NVMatspectrophotometertostorecalibrationparameters.
•NVMatPrintMechatronicsPCA.256KBits.Itcontainsprintersettingsandcalibrations;italso
cont
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