Motorola MVME5100 Programmer's Reference Manual page 308

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MVME5100 VPD Reference Information
B
SPD Byte Address
00 (0x00)
01 (0x01)
02 (0x02)
03 (0x03)
:
:
60 (0x3C)
61 (0x3D)
62 (0x3E)
SPD Byte Address
Decimal Total
Divide by 256
Remainder
Convert to binary
63(0x3F)(Checksum)
B-16
Example of a Checksum Calculation:
Serial PD
0010 0100
1111 1110
0000 0000
0000 0000
:
:
0000 0000
0000 0000
0000 0000
Serial PD
-
-
-
0010 0010
0010 0010
Convert to Decimal
>
>
>
>
>
>
>
>
>
Convert to Decimal
-
-
-
<
-
Computer Group Literature Center Web Site
36
+254
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
290
1
34
34

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