Viper 60s Theory Of Operation And Maintenance Manual page 127

~PERSCS/COM~NDS
5.25 WRITE DATA SUFFER (3Sh)
The WRITE DATA BUFFER Command is used in conjunction with the READ DATA BUFFER
Command as a diagnostic function for testing the data buffer memory of the Viper drive and
confirming the SCSI bus integrity. There is no access to the medium during the execution of
this command.
5.25.1 WRITE DATA BUFFER Command Descriptor Block
BITS
I
7 6 5 0
BYTE!
0
0 0 0
Buffer ID
0 0
4 0
0
5
0 0
6
0 0
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