IBM IC35L036UWDY10 Hard Drive Specifications - Page 195

Synchronous Negotiation started by the Initiator, Transfer Rate

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10.1.2.1 Synchronous Negotiation started by the Initiator When the drive responds with REQ/ACK offset value of 0, the initiator shall use asynchronous data transfer mode. LVD mode. The drive responds to each Initiator requested transfer period as shown below. Initiator Request Target Response Target Transfer Period (ns) Transfer Rate 0

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10.1.2.1 Synchronous Negotiation started by the Initiator
When the drive responds with REQ/ACK offset value of 0, the initiator shall use asynchronous data
transfer mode.
LVD mode.
The drive responds to each Initiator requested transfer period as shown below
.
Asynch
(Asynch mode)
Mt = 50
51 <= Mi <= 255
Fast-5
200
Mt = 50
26 <= Mi <= 50
Fast-10
100
Mt = 25
13 <= Mi <= 25
Fast-20
50
Mt = 12
11 <= Mi <= 12
Fast-40
25
Mt = 10
10 <= Mi <= 10
Fast-40
25
Mt = 10
0 <= Mi <= 09
Transfer Rate
Target Transfer
Period (ns)
Target
Response
Initiator Request
Figure 179. Initiator Request/Drive Response (LVD mode)
SE mode.
The drive responds to each Initiator requested transfer period as shown below.
Asynch
(Asynch mode)
Mt = 50
51 <= Mi <= 255
Fast-5
200
Mt = 50
26 <= Mi <= 50
Fast-10
100
Mt = 25
13 <= Mi <= 25
Fast-20
50
Mt = 12
12 <= Mi <= 12
Fast-20
50
Mt = 12
0 <= Mi <= 11
Transfer Rate
Target Transfer
Period (ns)
Target
Response
Initiator Request
Figure 180. Initiator Request/Drive Response (SE mode)
Ultrastar 146Z10 hard disk drive specifications
179