HPE

HPE Base set PROM 3 - Use ONLY with -80023 to -80026 series

HPE Base set PROM 4 - Use ONLY with -80023 to -80026 series

HPE Memory controller board - With 512KB of memory - Memory Controller Board - with 512kB of Memory (12102B)

HPE 256KB memory array board - 256kB Memory Array Board (12103B)

HPE 1MB memory array board - 1MB Memory Array Board (12103D)

HPE 128KB memory array board - 128kB Memory Array Board (12103A)