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MultiDisk IDE 150 Frequently Asked Questions
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- What is IDE?
- IDE is "Integrated Drive Electronics." The controller electronics are embedded into the drive. It is one of the most common hard disk interfaces on the market today.
- What does CAM-compliant mean?
- CAM (Common Access Method) is an industry-wide standard that most IDE manufactures adhere to.
- What is the difference between B150 IDE and B150 SCSI?
- 1. An additional controller card is not required in most cases for the IDE driver since most computers come with an IDE interface. If an IDE interface is not available, one can be easily purchased for $15.00 to $20.00.
- 2. The Bernoulli SCSI drives require a separate SCSI adapter.
- 3. The drive communication protocol is significantly different between IDE and SCSI.
- How do I tell the difference between a Bernoulli IDE 150 and a Bernoulli SCSI 150 insider?
- The IDE drive has a 40-pin ribbon cable connector. The SCSI drive uses a 50-pin connector. The IDE drive does not have a "fixed/removable" switch located behind the motor access panel.
- Is the IDE Bernoulli 150 drive bootable?
- Not at this time. If bootability from a Bernoulli is required, the SCSI Bernoulli 150 is recommended. The system can also be booted from a fixed disk or floppy disk.
- Does the cylinder/head/sector geometry need to be entered into the CMOS like a hard disk?
- No. Any auto-configuration should be turned off in the CMOS.
- Does the cable supplied with the Bernoulli have to be used?
- No. Use the cable already in the computer if it is long enough. The less changes to the system the better. Longer cables, other than the Iomega cable included, are not recommended.
- How long can the IDE interface cable be?
- The maximum length for the IDE cable is 24 inches. Using longer cables is not recommended or supported by Iomega.
- When should the Bernoulli IDE 150 be configured master (drive 0) drive?
- If the Bernoulli IDE 150 drive is the only drive on the bus, it should be configured as a master drive (drive 0).
- Are new OAD drivers and utility software required?
- Yes. OAD For DOS version 1.3 or greater is required.
- Why does OAD for DOS have to be used?
- At this time, system BIOS does not understand or support removability. Therefore, a driver is required.
- What operating systems are supported other than MS DOS or PC DOS?
- OS/2 is supported with Iomega's OS/2 2.33 driver or greater. Windows 95 can be used if the drive is supported in the computers BIOS (fixed disk mode - the disk cannot be removed unless the system is shut down and rebooted). UNIX, Xenix, Novell DOS/DR DOS, and NetWare are not supported at this time.
- Can the Bernoulli IDE 150 emulate a hard disk?
- Not at this time.
- Is the speedcache plus version different?
- No. Speedcache Plus version 4.04 is used for both SCSI and IDE Bernoulli 150 products.
- Are there any ide hard drives that the Bernoulli IDE drive will not work with?
- There is the likelihood that some older IDE hard drives may not work. Iomega has not encountered any and would like to know of any compatibility problems.
- Are there any Ide interfaces that the Bernoulli 150 IDE drive does not work with?
- Since the IDE interface is a standard, this is highly unlikely. Iomega has not encountered any yet.
- What is the spare jumper for on the Bernoulli IDE?
- The "spare" jumper is not used for anything. It can be removed and used to assist in configuring the IDE hard drive if necessary or can be used in case a jumper is accidentally lost.
- What is HDINFO.EXE?
- HDINFO.EXE is a help utility that is designed to be used after the drive and software have been installed. It SHOULD NOT be used prior to installation. It contains a list of common IDE hard drives and their settings to assist in configuring the hard drive's settings ONLY after the installation has failed.
- NOTE: Not all IDE hard drives may be mentioned in the HDINFO database.
- Will all future Bernoulli products have IDE?
- Yes. The current plan is to have both SCSI and IDE interfaces on all future Iomega Bernoulli products.
- Can two Bernoulli IDE 150 drives be put on the same bus?
- No. This is currently not supported by the OAD For DOS drivers.
- Why must Windows 32 bit access be turned off?
- The Bernoulli IDE 150 drive is not compatible with Windows 32 bit access. If Windows 32 bit access is turned on, Windows will "lock up" when executed.
- Why do SCSI drive letters move up one after installing the Bernoulli IDE 150 drive?
- OAD For DOS is configured to automatically assign the Bernoulli IDE 150 the first drive letter prior to any SCSI Iomega device. For example, if an IDE hard disk is in the system, it will be assigned "drive C:." The Bernoulli IDE 150 drive will become "drive D:." If SCSI Bernoulli Transportable is also installed, it will automatically become "drive E:."
- What are the known compatibility problems?
- The primary compatibility problems will be associated with how to set the jumpers on the IDE hard disk to insure that it is configured properly to accept the Bernoulli IDE 150 slave. The drive should be installed first as per the directions in the Installation and User's Guide. If the Bernoulli 150 IDE drive is not recognized, the program HDINFO.EXE should be ran to assist in determining how the IDE hard drive should be configured. It may be necessary to contact the IDE hard disk manufacturer for assistance in determining the hard disks configuration.