7
6
5
4
3
2
1
0
Product number, this number
is
defined by the
manufacturer of the board and is used by
auto-
config software to initialize drivers for the
board.
7
6
5
4
3
2
1
0
Reserved, must be as specified
Bits
are currently zero
0
means
this
board can be shut up
1
means
this
board cannot be shut up
0
means any space okay
1
means preference to be put in the
8
Meg
space
7
6
5
4
3
2
1
0
Reserved, must be
0
7
6
5
4
3
2
1
0
Mfg
#
high byte
7
6
5
4
3
2
1
0
Mfg
#
low byte; These
2
bytes are assigned by
CBM. They are used by the auto-config software
to initialize drivers for boards.
7
6
5
4
3
2
1
0
Optional serial number, byte
0
(msb)
7
6
5
4
3
2
1
0
Optional serial number, byte
1
7
6
5
4
3
2
1
0
Optional serial number, byte
2
7
6
5
4
3
2
1
0
Optional serial number, byte
3
(Isb)
7
6
5
4
3
2
1
0
Optional ROM vector high byte
7
6
5
4
3
2
1
0
Optional ROM vector low byte. If the 'ROM addr
valid' bit
(4
of nibble
0)
is
set, then these
2
bytes are the offset from the board's base ad-
dress at which the start of the ROM code infor-
mation is located (e.g., the hard disk driver). If
the bit
it
not set, then these
2
bytes have no
meaning.
7
6
5
4
3
2
1
0
Reserved, read must be
0;
write resets base
address register
7
6
5
4
3
2
1
0
Reserved, must be
0
7
6
5
4
3
2
1
0
Reserved, must be
0
7
6
5
4
3
2
1
0
Reserved, must be
0
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