Datasheet

4.1 Control/Sense Commands
C141-C008 4-47
(6) Caching parameters (page code = 8)
The page descriptor format of this MODE SELECT parameter is shown in Table
4.21.
Table 4.21 MODE SELECT parameters: caching parameters
Bit
Byte
7 6 5 4 3 2 1 0
0 0 0 0 0 1 0 0 0
1 X‘0A’ or X‘12’ (Page Length)
2 IC ABPF CAP DISC SIZE WCE MS RCD
Default 0 0 0 1 0 1 0 0
Variable 1 0 0 0 0 1 0 1
3 Demand Read Retention Priority Write Retention Priority
Default 1 0 0 0 0 0 0 0
Variable 0 0 0 0 0 0 0 0
4-5 Pre-fetch inhibit block count
Default X‘FFFF’
Variable X‘0000’
6-7 Minimum pre-fetch
Default X‘0000’
Variable X‘0000’
8-9 Maximum pre-fetch
Default X‘xxxx’
Variable X‘0000’
10-11 Maximum pre-fetch limit block count
Default X‘FFFF’
Variable X‘0000’
12 FSW LBCSS DRA VS VS (Reserved)
Default 1 0 0 0 0 0 0 0
Variable 0 0 0 0 0 0 0 0
13 Cache Segment Count
Default X‘08’
Variable X‘3F’
14-15 Cache Segment Size
Default X‘0000’
Variable X‘0000’
16 X‘00’ (Reserved)
17-19 Non Cache Segment Size
Default X‘000000’
Variable X‘000000’