SMCXXXAF Datasheet, PDF (34/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

Card configuration
SMCxxxAF
6.4
6.4.1
6.4.2
Socket and Copy register (base + 06h in attribute memory)
This register contains additional configuration information which identifies the card from
other cards. This register is always written by the system before writing the Configuration
Option register (see Table 30).
Drive #
This value can be used to address two different cards in the case of twin card configuration.
X
The socket number is ignored by the card.
Table 30. Socket and Copy register (default value: 00h)
Operation D7
D6
D5
D4
D3
D2
D1
D0
Read Reserved 0
0
Drive #
0
0
0
0
Write
0
0
0
Drive #
X
X
X
X
34/82