
D A Y T O N A   3 4 1   A T    QUANTUM
                                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 2.5"/SUPERSLIMLINE    Cylinders    1704|     |     |
Capacity form/unform   341/      MB        Heads           6|     |     |
Seek time   / track  17.0/ 5.0 ms          Sector/track     |     |     |
Controller           IDE / AT              Precompensation
Cache/Buffer           128 KB SEGMENTED    Landing Zone
Data transfer rate    3.000 MB/S int       Bytes/Sector      512
                     13.000 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5 V          Temperature *C         5 55    |    -40 65
Power: sleep              W     Humidity     %        10 90    |     10 90
       standby        0.2 W     Altitude    km            3.048|        12.192
       idle           1.2 W     Shock        g        10       |    300
       seek           2.3 W     Rotation   RPM      4500
       read/write     2.3 W     Acoustic   dBA        33
       spin-up            W     ECC        Bit   112,REED SOLOMON
                                MTBF         h     350000
                                Warranty Month        12
Lift/Lock/Park     YES          Certificates



**********************************************************************
                        L   A   Y   O   U   T
**********************************************************************
QUANTUM  DAYTONA AT  JUMPER LOCATIONS

  +---------------------------------------------------------+
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |*X
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |                                                         |XX
  |      SP                  CS DS                          |  1
  |    +-+-+                +-+-+-+                         |XX
  +----+++++----------------+++++++-------------------------+



**********************************************************************
                      J   U   M   P   E   R   S
**********************************************************************
QUANTUM  DAYTONA AT  JUMPER SETTINGS

 Jumper Setting
 ==============

 The jumper pins are located on the underside of the printed circuit
 board (PCB).

                                                            |XX
                                                            |XX
         SP                  CS DS                          |  1
  |    +-+-+ +              +-+-+-+ +                       |XX
  +----+++++-+--------------+++++++-+-----------------------+
             |                      |
     +-------+---+         +--------+-------+
     | +-++-+    |         |+-++-++-+       |
     | ++++++Pins|         |+++++++++ Pins  |
     |   SP      |         |  CS DS         |
     | +*--*+    |         |+*--*+          |
     | +----+    |         |+----+Jumper    |
     | Jumper    |         | OR +*--*+      |
     +-----------+         |    +----+Jumper|
                           +----------------+


 There are two sets of jumper pins. The SP is labeld "SP" for slave
 present. The other set (three jumper pins) has two labels "CS" and
 "DS" for Cable Select and Drive Select. The center pin is common to
 both the CS and the DS positions.

 When a jumper block is on the center pin and the pin nearest the
 interface connector, DS is enabled. When a jumper block is on the
 center pin and the pin furthest from the interface connector, CS is
 enabled.


 NOTE
 Jumper blocks can be placed in a storage position by locating them on
 one jumper pin as shown in the following Figure.

       +-++-+               +-++-++-+
       ++++++Pins           +++++++++ Pins
         SP                   CS DS
          +*--*+                  +*--*+
          +----+Jumper            +----+Jumper


 Master Drive Configuration
 --------------------------
       +-++-+               +-++-++-+
       ++++++Pins           +++++++++ Pins
         SP                   CS DS
          +*--*+               +*--*+
          +----+Jumper         +----+Jumper


 Master Drive with Slave Present
 -------------------------------
          +-++-+               +-++-++-+
          ++++++Pins           +++++++++ Pins
            SP                   CS DS
          +*--*+                  +*--*+
          +----+Jumper            +----+Jumper


 Slave Drive Configuration
 -------------------------
       +-++-+               +-++-++-+
       ++++++Pins           +++++++++ Pins
         SP                   CS DS
          +*--*+                  +*--*+
          +----+Jumper            +----+Jumper

 Cable Selection
 ---------------
 The drive can be configured such that its status as a master or slave
 drive can be determined by the cabling from the host system.

       +-++-+               +-++-++-+
       ++++++Pins           +++++++++ Pins
         SP                   CS DS
          +*--*+            +*--*+
          +----+Jumper      +----+Jumper



**********************************************************************
                      F   E   A   T   U   R   E  S
**********************************************************************
QUANTUM  DAYTONA DRIVES

 Overview
 --------
 The Quantum Daytona products are high-capacity 2.5-inch hard disk
 drives that provide unmatched mass storage solutions for slim sub-
 notebook and full-featured notebook computers.

 The Daytona 256 is the first device to offer subnotebook users 256 MB
 of formatted storage capacity in a 12.5-mm-high drive for subnote-
 books and a 341 MB, 19-mm-high drive for notebooks.

 All four Daytona drives bring desktop PC performance to notebook
 computing with a fast internal data transfer rate of 36 Mbits/second.
 Daytona performance benefits from a common architecture shared with
 two Quantum families of high-performance 3.5-inch drives. Matching
 features include a multi-segmented adaptive cache, local bus support
 with fast multiword DMA and AutoRead and AutoWrite technology.

 The Daytona drives leverage most strongly off the design of Quantum's
 earlier GoDrive GLS line of 2.5-inch devices. They share GLS' highly
 integrated electronics, which consists of only five chips, as well as
 its firmware base. This leveraged approach to design eases
 qualifications and improves product availability.

 The Daytona drives feature exceptional ruggendness with a very high
 level of protection against non-operating shock. For energy
 efficiency, the drives comply with industry standards on power
 consimption, drawing only 0.2 watts of power in standby mode.


 Reliability Features
 ====================

 ShockLock Pivoting Magnetic Latch
 ---------------------------------
 An innovative pivoting magnetic latch protects the drives from short-
 duration, non-operating shocks as high as 300 Gs, which is the high-
 est level of protection offered by 2.5-inch disk drives. The magnetic
 latch swings away from the drive's actuator to eliminate disturbances
 when inner tracks are read.


 Error Correction Code (ECC) On-the-Fly
 --------------------------------------
 The Daytona product use a custom ASIC to implement a state-of-the-art
 error correction code that maintains data integrity at high through-
 put rates.


 Performance Features
 ====================

 Adaptive Segmentation
 ---------------------
 The Daytona products feature Adaptive segmentation for more efficient
 cache use. With this feature, the buffer space needed for read and
 write operations is dynamically allocated, which yields higher
 throughput from a given buffer side.


 DisCache and WriteCache Firmware
 --------------------------------
 DisCache firmware optimizes disk drive performance by speeding data
 access times and data retrieval, and increasing throughput. Quantum's
 proprietary WriteCache firmware allows the host-to-buffer transfer of
 data to occur while the buffer-to-disk transfer of a prior command is
 still executing.

 Upper 32 KB Buffer used for firmware.


 Power Conservation Features
 ===========================

 StackWrite Firmware
 -------------------
 StackWrite firmware can save up to 13 percent of battery power while
 providing faster system response. The unique firmware accumulates
 write requests in buffer memory instead of directly onto the disk
 when the Daytona drives are in standby mode under battery power.


 AutoIdle and AutoPark
 ---------------------
 To conserve battery power, the actuator motor on the Daytona products
 can be shut down after five seconds of inactivity - without host
 intervention. With the new AutoPark mode, Daytona's heads are auto-
 matically parked over the dedicated landing zone when AutoIdle is
 initiated.


 ATA Compliance
 --------------
 Daytona drives with an AT interface incorporate all the energy-
 efficient modes defined by ATA/CAM (AT Attachment/Common Access
 Method).


 Versatility Features
 ====================

 MCC Compatibility
 -----------------
 The Daytona disk drives conform to the latest standards of the
 Manufactures Compatibility Committee (MCC). As a result, the drives
 can easily slide into position and connect directly to a hard-mounted
 connector on a notebook's motherboard.


 AT Bus Cable Select Hardware
 ----------------------------
 Automatic cable-select hardware simplifies disk drive installation by
 eliminating the need for a physical master/slave jumper. This is
 ideal for removable drive applications, when the same Daytona drive
 is a master in a notebook computer and a slave when used with a
 desktop computer.



**********************************************************************
                      G   E   N   E   R   A   L
**********************************************************************
QUANTUM   ATA TIPS


 Comparing the Fast ATA and Enhanced IDE Disk Drive Interfaces
 -------------------------------------------------------------
 Why are Fast ATA and Fast ATA-2 Important?
 Faster data transfer rates are important because a computer is
 only as fast as its slowest component. Today's 486, Pentium, and
 PowerPC-based computers offer processor speeds many times faster
 than only two years ago. Bus speeds have also increased with the
 inclusion of 32-bit VL and PCI local buses, which have a maximum
 data transfer rate of 132 MB/second.

 Faster buses mean that data can be transferred from the storage
 device to the host at greater speeds. Fast ATA and Fast ATA-2 allow
 disk drives to store and access this data faster, thus enhancing the
 other high-speed components in the system and removing the
 bottleneck associated with older ATA/IDE drives. In short, Fast
 ATA helps bring very high performance to desktop PC systems.

 In addition, when compared to SCSI, Fast ATA is the least expensive
 way to achieve faster disk drive data transfer rates and higher
 system performance. The implementation of Fast ATA through system
 BIOS provides performance without incremental hardware co sts.
 Older systems can support Fast ATA using an inexpensive host
 adapter.

 Fast ATA and Fast ATA-2 are easy to implement in either VL or PCI
 local bus systems. The hardware connection can be made using a
 standard 40-pin ATA ribbon cable from the drive to the host
 adapter. Direct connection to the motherboard further eases
 integration when provided by the motherboard supplier.

 Once connected, the high data transfer capabilities of Fast ATA can
 be enabled through the data transfer options found in most CMOS BIOS
 setup tables.  Newer versions of BIOS provide automatic configuration
 for Fast ATA drives.

 Fast ATA can improve efficiency by allowing more work to be
 completed in less time because the computer moves data faster.
 Graphic, multimedia, and audio/visual software users will benefit
 most because the speed of those applications, which work with large
 blocks of data, are transfer-rate dependent.

 The Fast ATA and Enhanced IDE interfaces both use the local bus to
 speed data transfer rates. Enhanced IDE also uses the same PIO modes
 as Fast ATA, although a data transfer rate equal to the PIO mode 4
 rate has not been announced for Enhanced IDE. The major differences
 between Fast ATA and Enhanced IDE are that the latter includes
 three distinct features in addition to fast data transfer rates.
 The additional features of Enhanced IDE are as follows:

 High-capacity addressing of ATA hard drives over 528 MB  -
 a BIOS and device driver function.

 Dual ATA host adapters supporting up to four hard disk drives per
 computer system  -  a function of BIOS, operating system, and host
 adapter, not the drive.

 Support for non-hard disk drive peripherals such as CD-ROMs -
 a function of BIOS and the operating system, not the drive

 Each of these features supports improved functionality at a system
 level, a positive development for the industry and end users.
 However, support for all three features requires an extremely high
 degree of integration and revisions to operating systems and hard-
 ware, in addition to BIOS changes. Specific support is required not
 only for the storage peripherals but also for host adapters, core
 logic, the system bus, BIOS, and operating systems - virtually every
 major block of PC architecture.

 There is no central industry-supported standard that controls the
 features of Enhanced IDE. With no standard, some products sold as
 "Enhanced" may provide only one of the three features of Enhanced
 IDE. For example, fast data transfer rate support is be coming
 standard on mid-range and high-end local bus systems. This single
 feature could satisfy the users immediate requirements without the
 need for the other features of Enhanced IDE.

 In the future, if the same system is upgraded to add the remaining
 features of Enhanced IDE, users may be forced to purchase an Enhanced
 IDE package that contains a feature already installed. This could
 result in unnecessary costs, integration conflicts, and in-
 compatibility with original factory implementations.

 Fast ATA, on the other hand, represents only the fast data transfer
 rates for ATA hard drives (support for PIO mode 3 or 4 and DMA mode
 1 or 2).  Fast ATA and Fast ATA-2 data transfer rates can be easily
 achieved when the system BIOS and hard drive suppo rt the PIO and
 DMA protocols.

 BIOS that supports Fast ATA does not necessarily support high-
 capacity addressing, dual host adapters or non-hard drive
 peripherals. But these features are being introduced independently
 by system manufacturers in order to compete in the PC marketplace.

 All of Quantum's disk drives designed for PCs now support Fast ATA,
 and new products with Fast ATA support will be introduced in early
 1995. The drives are also fully backward compatible with older ATA/
 IDE (non-Fast ATA) BIOS.

 The Quantum drives support both the Extended CHS (Cylinder Head
 Sector) and LBA (Logical Block Address) addressing methods in
 overcoming the 528 MB DOS capacity barrier. Quantum drives can also
 be used with dual host adapters.

 Finally, there are no incompatibilities with Quantum hard drives
 that would prevent computer systems from supporting non-hard drive
 peripherals.

 Quantum drives that support Fast ATA include the following families:

 Quantum ProDrive LPS 170/210/340/420
 Quantum ProDrive LPS 270/540
 Quantum Maverick 270/540
 Quantum Lightning 365/540/730
 Quantum Daytona 127/170/256/341/514


 Fast ATA and Fast ATA-2 are important technologies that can take
 advantage of the performance provided by the latest high-speed
 microprocessors and bus architectures. The high-speed interfaces
 are based on industry standard specifications and are the least
 expensive way to achieve faster disk drive data transfer rates.
 Fast ATA is not a group of features that requires an extremely
 high level of integration, and only represents the fast data transfer
 rates for ATA hard drives (PIO mode 3 or 4 and DMA mode 1 or 2).
 =====================================================================


