Commodore Amiga A500 Technical Reference Manual page 30

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(04/06)
7
6
7 6 5 4
(08/OA)
(0C/0E)
7
6
(10/12)
7
6
(14/16)
7
6
(18/1A)
7
6
(1C/1E)
7
6
(20/22)
7
6
(24/26)
7
6
(28/2A)
7
6
(2C/2E)
7
6
(30/32)
7
6
(34/36)
(38/3A)
7
6
(3C/3E)
7
6
7
6
5
4
3
2
1
3 2
1
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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.
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
0
Reserved, must be 0
0
Mfg # high byte
0
Mfg # low byte; These 2 bytes are assigned by
CBM. They are used by the auto-config software
to initialize drivers for boards.
0
Optional serial number, byte 0 (msb)
0
Optional serial number, byte 1
0
Optional serial number, byte 2
0
Optional serial number, byte 3 (lsb)
0
Optional ROM vector high byte
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.
0
Reserved, read must be 0; write resets base
address register
0
Reserved, must be 0
0
Reserved, must be 0
0
Reserved, must be 0
27

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