930 CPU INTERRUPT ALARM

[Diri19]

Dear all,
Last days I got a sram card 1MB (memory card) for input/output program on my old Mori Seiki Fanuc machine. When I insert the sram card into the front slot and try to punch/read some programs alarm "930 CPU INTERRUPT ALARM" appears. I switch off the machine, remove the card and swtich on again the machine and alarm disappeared.
May the sram card not compatible with CN?
Or may the card need to be formatted on CN?

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[zavateandu]

SRAM Card usually use a battery to hold the memory and is not compatible in the front slot of PCMCIA