IBM Personal System/2 65 SX - Page 53

| blocks of useable memory. For example, hex 0800 is equal to
| 2048KB. The low byte is hex 35; the high byte is hex 36.
Date-Century Byte (Hex 037): Bits 7 through 0 of this byte contain the
BCD value for the century. Refer to the /BM Personal System/2 and
Personal Computer BIOS Interface Technical Reference manual for
information about reading and setting this byte.
Reserved Bytes (Hex 038 through 03F): These bytes are reserved.
Model 65 System Board — October 1990 3-21