Emerson MVME147 Computer Hardware User Manual


 
A-15
A
Mode Select Parameter List: Page 4 Parameters for Winchester drives
Mode Select Parameter List: Page 4 Parameters for Winchester drives (cont’d)
BYTE OFFSET
VALUE COMMENTS
0 4 Page code
112Page length
2 (Note 1) Number of cylinders (MSB)
3 (Note 1) Number of cylinders
4 (Note 1) Number of cylinders (LSB)
5 (Note 2) Number of heads
6 (Note 3) Starting cylinder - write precomp
(MSB)
7 (Note 3) Starting cylinder - write precomp
8 (Note 3) Starting cylinder - write precomp
(LSB)
9 (Note 4) Starting cylinder - reduced write
current (MSB)
A (Note 4) Starting cylinder - reduced write
current
B (Note 4) Starting cylinder - reduced write
current (LSB)
C (Note 5) Drive step rate (MSB)
D (Note 5) Drive step rate (LSB)
E (Note 6) Landing zone cylinder (MSB)
F (Note 6) Landing zone cylinder
BYTE OFFSET
VALUE COMMENTS
10 (Note 6) Landing zone cylinder (LSB)
11 (Note 7) Reserved
12 (Note 7) Reserved
13 (Note 7) Reserved