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SCSI Commands: 45BSEND DIAGNOSTIC
3.33.1.1.1 Diagnostic Page Format
Bits
Byte
7
0
1
2
(MSB)
3
4
(MSB)
n
3.33.1.1.2 Supported Diagnostic Pages
Page Code
00h
Supported diagnostic pages (RECEIVE DIAGNOSTIC RESULTS only)
80h
Ring Buffer memory test
81h
Parallel Protocol Request diagnostic page (RECEIVE DIAGNOSTIC RESULTS
only – Parallel SCSI drives only.)
Note that the Ring Buffer Memory Test diagnostic page may only be sent when the SEND
DIAGNOSTIC command is using "mode" 5, 6 or 7.
3.33.1.1.3 Memory Test Pattern Diagnostic Page
Bits
Byte
7
0
1
2
(MSB)
3
4
(MSB)
5
6
(MSB)
7
3.33.1.1.4 Memory Test Pattern Page Field Descriptions
Field
Bytes
Test Pattern
4-5
Selection
Pattern Value
6-7
6
5
4
Page Code
Reserved
Page Length (n-3)
Diagnostic Parameters
Description
6
5
4
Page Code (80h)
Reserved
Test Pattern Selection
Pattern Value
Value 0000h – Select test using incrementing byte on record boundaries
Value 0001h – Select test using incrementing word on record boundaries
Value 0002h – Select test using incrementing word on record boundaries
using start value = Pattern Value
Value 0003h – Select test using random pattern on record boundaries with
seed = Pattern Value
Start pattern or seed values of 0 through FFFFh may be used
3
2
1
3
2
1
4h
Description
Page 205
0
(LSB)
(LSB)
0
(LSB)
(LSB)
(LSB)
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