J1 4 socket jumper
J2 F socket

Q1 Dale 22.000MHz

R1-3 Trimpots? under shielded plate

U1 NCR Icarus 008-0126999 CQ08679
U2 Intel N82586 IEEE 802.3 ethernet processor
U3 NCR HOLI MC 008-0127216 A [HOst Lan Interface Micro Channel]
U4,U5 NEC D43256AGU-10LL SRAM
U6 NCR 8-12000A Security feature
U7 28-pin socket for Boot ROM feature