info jx8p 
JX-8P Polyphonic Synthesizer (Ver. 3.x)
ROM name="jx8p_a3-1.ic6" size="16384" crc="fc566635" sha1="aa7ce16107553f337eb87bbe6171062950389ea1"
ROM name="upd7537-014_15179201.ic1" size="2048"
ROM name="jx8p-b-v21.ic22" size="8192" crc="4f51c873" sha1="c3217596000329ac2ff03f1b8b2a5e0f2f3d7783"
🕑 Last update: February 16, 2026
info jx8po
JX-8P Polyphonic Synthesizer (Ver. 2.x)
ROM name="jx8p-a-v21.ic6" bios="v21" size="16384" crc="4c357353" sha1="287aad14dc22b1f9d814d0fa9ef3088dd8a33dc3"
ROM name="jx8p21a.ic6" bios="v21d" size="16384" crc="f2d1ac36" sha1="8df4d0647abbf70e4eea2971ac9c629c6f6ef4a3"
ROM name="upd7537-014_15179201.ic1" size="2048"
ROM name="jx8p-b-v21.ic22" No differences from parent set (jx8p-b-v21.ic22)
🕑 Last update: February 16, 2026
