ATA Bus Interface and ATA Commands
6-12 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
Table 6-7 contains the values for the timings for each of the Ultra DMA modes. All
timing measurement switching points (low to high and high to low) shall be taken
at 1.5V. Table 6-8 contains descriptions and comments for each of the timing values
in Table 6-7.
Table 6-7
Table 6-7
Table 6-7
Table 6-7
Ultra DMA Data Transfer Timing Requirements
Name
Name
Name
Name
Mode 0
Mode 0
Mode 0
Mode 0
(ns)
(ns)
(ns)
(ns)
Mode 1
Mode 1
Mode 1
Mode 1
(ns)
(ns)
(ns)
(ns)
Mode 2
Mode 2
Mode 2
Mode 2
(ins)
(ins)
(ins)
(ins)
Mode 3
Mode 3
Mode 3
Mode 3
(ns)
(ns)
(ns)
(ns)
Mode 4
Mode 4
Mode 4
Mode 4
(ns)
(ns)
(ns)
(ns)
Mode 5
Mode 5
Mode 5
Mode 5
(ns)
(ns)
(ns)
(ns)
Measurement
Measurement
Measurement
Measurement
Location
Location
Location
Location
Min
Min
Min
Min Max
Max
Max
Max Min
Min
Min
Min Max
Max
Max
Max Min
Min
Min
Min Max
Max
Max
Max Min
Min
Min
Min Max
Max
Max
Max Min
Min
Min
Min Max
Max
Max
Max Min
Min
Min
Min Max
Max
Max
Max
t
2CYCTYP
240
160
120
90
60
40
Sender
t
CYC
112
73
54
39
25
16.8
Recipient
t
2CYC
230
153
115
86
57
38
Sender
t
DS
15.0
10.0
7.0
7.0
5.0
4.0
Recipient
t
DH
5.0
5.0
5.0
5.0
5.0
4.6
Recipient
t
DVS
70.0
48.0
31.0
20.0
6.7
4.8
Sender
t
DVH
6.2
6.2
6.2
6.2
6.2
4.8
Sender
t
CS
15.0
10.0
7.0
7.0
5.0
5.0
Device
t
CH
5.0
5.0
5.0
5.0
5.0
5.0
Device
t
CVS
70.0
48.0
31.0
20.0
6.7
10.0
Host
t
CVH
6.2
6.2
6.2
6.2
6.2
10.0
Host
t
ZFS
0
0
0
0
0
35
Device
t
DZFS
70.0
48.0
31.0
20.0
6.7
25
Sender
t
FS
230
200
170
130
120
90
Device
t
LI
0
150 0
150 0
150 0
100 0
100 0
75
Note 2
t
MLI
20
20
20
20
20
20
Host
t
UI
0
0
0
0
0
0
Host
t
AZ
10
10
10
10
10
10
Note 3
t
ZAH
20
20
20
20
20
20
Host
t
ZAD
0
0
0
0
0
0
Device
t
ENV
20
70
20
70
20
70
20
55
20
55
20
50
Host
t
RFS
75
70
60
60
60
50
Sender
t
RP
160
125
100
100
100
85
Recipient
t
IORDYZ
20
20
20
20
20
20
Device
t
ZIORDY
0
0
0
0
0
0
Device
t
ACK
20
20
20
20
20
20
Host
t
SS
50
50
50
50
50
50
Sender
Summary of Contents for FIREBALL PLUS AS 10.2
Page 12: ...About This Manual 1 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 16: ...General Description 2 8 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 61: ...Basic Principles of Operation Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT 5 16 ...
Page 62: ...Basic Principles of Operation 5 17 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...
Page 162: ...Index I 4 Quantum Fireball Plus AS 10 2 20 5 30 0 40 0 60 0 GB AT ...