IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive, Specifications

Page: 175 / 228

9.1.2.1.1 On LVD receiver mode.:
The Tareget responds to each Initiator requested transfer period as
shown in the following figure Figure 127 on page 165:
Target Maximum
Initiator Target Transfer Burst
Request Response Period Rate
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
0 <= Mi <= 09 Mt = 10 ( Asynchronous mode ) N/A
10 <= Mi <= 10 Mt = 10 25 nSec 40.00 MT/s
11 <= Mi <= 12 Mt = 12 50 nSec 20.00 MT/s
13 <= Mi <= 18 Mt = Mi 75 nSec 13.33 MT/s
19 <= Mi <= 25 Mt = Mi 100 nSec 10.00 MT/s
26 <= Mi <= 31 Mt = Mi 125 nSec 8.00 MT/s
32 <= Mi <= 37 Mt = Mi 150 nSec 6.67 MT/s
38 <= Mi <= 43 Mt = Mi 175 nSec 5.71 MT/s
44 <= Mi <= 50 Mt = Mi 200 nSec 5.00 MT/s
51 <= Mi <= 56 Mt = Mi 225 nSec 4.44 MT/s
57 <= Mi <= 62 Mt = Mi 250 nSec 4.00 MT/s
63 <= Mi <= 68 Mt = Mi 275 nSec 3.64 MT/s
69 <= Mi <= 75 Mt = Mi 300 nSec 3.33 MT/s
76 <= Mi <= 81 Mt = Mi 325 nSec 3.08 MT/s
82 <= Mi <= 87 Mt = Mi 350 nSec 2.86 MT/s
88 <= Mi <= 93 Mt = Mi 375 nSec 2.67 MT/s
94 <= Mi <= 100 Mt = Mi 400 nSec 2.50 MT/s
101 <= Mi <= 106 Mt = Mi 425 nSec 2.35 MT/s
107 <= Mi <= 255 Mt = 106 (Asynchronous mode) N/A
Figure 127. Initiator Request/Target Response (LVD receiver mode)
9.1.2.1.2 On F-20 mode.: The Tareget responds to each Initiator requested transfer period as shown in the
following figure Figure 128:
Target Maximum
Initiator Target Transfer Burst
Request Response Period Rate
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
0 <= Mi <= 11 Mt = 12 ( Asynchronous mode ) N/A
12 <= Mi <= 12 Mt = 12 50 nSec 20.00 MT/s
13 <= Mi <= 18 Mt = Mi 75 nSec 13.33 MT/s
19 <= Mi <= 25 Mt = Mi 100 nSec 10.00 MT/s
26 <= Mi <= 31 Mt = Mi 125 nSec 8.00 MT/s
32 <= Mi <= 37 Mt = Mi 150 nSec 6.67 MT/s
38 <= Mi <= 43 Mt = Mi 175 nSec 5.71 MT/s
44 <= Mi <= 50 Mt = Mi 200 nSec 5.00 MT/s
51 <= Mi <= 56 Mt = Mi 225 nSec 4.44 MT/s
57 <= Mi <= 62 Mt = Mi 250 nSec 4.00 MT/s
63 <= Mi <= 68 Mt = Mi 275 nSec 3.64 MT/s
69 <= Mi <= 75 Mt = Mi 300 nSec 3.33 MT/s
76 <= Mi <= 81 Mt = Mi 325 nSec 3.08 MT/s
82 <= Mi <= 87 Mt = Mi 350 nSec 2.86 MT/s
88 <= Mi <= 93 Mt = Mi 375 nSec 2.67 MT/s
94 <= Mi <= 100 Mt = Mi 400 nSec 2.50 MT/s
101 <= Mi <= 106 Mt = Mi 425 nSec 2.35 MT/s
107 <= Mi <= 255 Mt = 106 (Asynchronous mode) N/A
Figure 128. Initiator Request/Target Response (F-20 mode)
SCSI MESSAGE SYSTEM
165