IBM EP-8KTA - Manual (Page 54)

Appendix EP-8KTA
A-4
16 Base memory high byte.
17 Extension memory low byte.
18 Extension memory high byte.
19-2d
2E-2F
30
Reserved for extension memory low byte.
31 Reserved for extension memory high byte.
32 DATE CENTURY byte.
33 INFORMATION FLAG.
34-3F Reserve.
40-7F Reserved for CHIPSET SETTING DATA.