Thedataretentiontimeforthebatterycardassemblyisasfollows:
BBUnameDataretentiontime
ThinkServer8708ELPSASRAIDAdapterBattery(iBBU05)72hoursfor256Mbytes,usingve32Mx16double
dataratetwodynamicrandomaccessmemory
modules(DDR2DRAMs)(lowpower)
72hoursfor256Mbytes,usingthree64Mx16DDR2
DRAMs(lowpower)
ThinkServer8708EM2SASRAIDControllerBattery
(iBBU06)
72hoursfor256Mbytes,usingthree64Mx16DDR2
DRAMs(lowpower)
ThinkServerRAID700AdapterBattery(iBBU08)72hoursfor512Mbytes,usingve64Mx16DDR2
DRAMs(lowpower)
Thedataretentiontimevariesaccordingtothefollowing:
Capacityofthebatterypackandthebatt eryload
Ambienttemperature
Ageofthebattery
Numbersofdischargecyclesthebatteryhasbeenthrough
DRAM(dynamicrandomaccessmemory)size
98ThinkServerInstallationandUserGuide