C-18 LiverpoolL500D/ProL500DSeriesMaintenanceManual
43 S1_VS1 44 S1_IORD#
45 S1_IOWR# 46 S1_A17
47 S1_A18 48 S1_A19
49 S1_A20 50 S1_A21
51 +S1_VCC 52 +S1_VCC
53 S1_A22 54 S1_A23
55 S1_A24 56 S1_A25
57 S1_VS2 58 S1_RST
59 S1_WAIT# 60 S1_INPACK#
61 S1_REG# 62 S1_BVD2
63 S1_BVD1 64 S1_D8
65 S1_D9 66 S1_D10
67 S1_CD2# 68 GND