... onboard GE, 4 EHWIC slots, 2 DSP slots, 1 ISM slot, 256MB CF default , 512MB DRAM default, IP BaseCISCO2911 ... onboard GE, 4 EHWIC slots, 2 DSP slots, 1 ISM slot, 256MB CF default , 512MB DRAM default, IP ... onboard GE, 4 EHWIC slots, 3 DSP slots, 1 ISM slot, 256MB CF default , 512MB DRAM default, IP ... onboard GE, 4 EHWIC slots, 3 DSP slots, 1 ISM slot, 256MB CF default , 512MB DRAM default, IP ...