Quantum FIREBALL PLUS AS 10.2 User Manual

ATA Bus Interface and ATA Commands
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT 6-9
Note:
Note:Note:
Note:
1. See signal descriptions for information on source of these signals.
2. Used during Ultra DMA protocol only.
3. Pins numbered 2, 19, 22, 24, 26, 30, and 40 are ground.
4. Pin number 20 is the Key Pin.
5. CBLID– during device based cable detection on devices supporting Ultra
DMA modes higher than 2.
6.4.2
6.4.26.4.2
6.4.2 Host Interface Timing
Host Interface TimingHost Interface Timing
Host Interface Timing
6.4.2.1
6.4.2.16.4.2.1
6.4.2.1 Programmed I/O (PIO) Transfer Mode
Programmed I/O (PIO) Transfer ModeProgrammed I/O (PIO) Transfer Mode
Programmed I/O (PIO) Transfer Mode
The PIO host interface timing shown in Table 6-5 is in reference to signals at 0.8
volts and 2.0 volts. All times are in nanoseconds, unless otherwise noted. Figure 6-
1 provides a timing diagram.
33 DEVICE ADDRESS BIT 1 —> DA1
36 DEVICE ADDRESS BIT 2 —> DA2
29 DMA ACKNOWLEDGE —> DMACK–
21 DMA REQUEST <— DMARQ
31 INTERRUPT REQUEST <— INTRQ
25 I/O READ
DMA ready on data in bursts (see note
2)
Data strobe on data out bursts (see
note 2)
—>
—>
—>
DIOR–
HDMARDY–
HSTROBE
27 I/O READY
DMA ready on data out bursts (see
note 2)
Data strobe on data in bursts (see note
2)
<—
<—
<—
IORDY
DDMARDY–
DSTROBE
23 I/O WRITE
STOP (see note 2)
—>
—>
DIOW–
STOP
34 PASSED DIAGNOSTCS/CABLE
DETECTION
(See Notes 1 & 5) PDIAG–/CBLID–
1 RESET —> RESET
32 I/O CS16 <— IOCS16
J1 PIN
J1 PIN J1 PIN
J1 PIN
NUMBER
NUMBERNUMBER
NUMBER
DESCRIPTION
DESCRIPTIONDESCRIPTION
DESCRIPTION HOST
HOSTHOST
HOST DIR
DIRDIR
DIR DEV
DEVDEV
DEV ACRONYM
ACRONYMACRONYM
ACRONYM

Quantum FIREBALL PLUS AS 10.2 Specifications

General

Brand	Quantum
Model	FIREBALL PLUS AS 10.2
Category	Storage
Language	English