Cirrus Logic AN83 - Manual (Page 53)

AN83
AN83REV3 53
Serial Number
The two serial number words make up the unique 32-bit OEM serial number for the adapter.
Low Word
Bits 7-0 bits[7-0] of 32-bit serial number
Bits 15-8 bits[15-8] of 32-bit serial number
High Word
Bits 7-0 bits[31-24] of 32-bit serial number
Bits 15-8 bits[23-16] of 32-bit serial number
Serial ID Checksum
Word 34h contains an 8-bit LFSR checksum calculated on the EISA ID and OEM serial number (words
30h to 33h). The 8-bit LFSR checksum is placed in the low byte of 34h. The high byte is padded with
the constant 0Ah.