UPG KIT INTEG/EPM TO INTEG. W/SPOOLING This kit is used to upgrade a 7470 Release 4.3-5.0 Integrated CallP or Integrated CallP/PNNI card, or 7270 Release 5.0 control card to an Integrated CallP/PNNI/Spooling card in Release 5.0. Also it is to be used to upgrade a R2.0 7670 ESE ECC (90-8396-01) to support integrated data spooling.Factory shipments of R5.0 Integrated CallP/PNNI/Spooling cards ship with the SRAM included and do not require this upgrade kit. The kit contains a 6M SRAM card, part number labels and instructions for installation. Note for the 7470 that if the card to be upgraded does not use the ePM and larger (256M) SanDisk, then the Integrated CallP or Integrated CallP/PNNI Upgrade to Integrated CallP/PNNI/Data Spooling Kit(90-8977-01) should be used instead. Note for the 7270 that if the card to be upgraded does not use the ePM and larger (96M) SanDisk, then both the 7270 control card upgrade kit (90-4452-13) and this upgrade kit are required..