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An electronic apparatus includes a drive for recording/reproducing a recording medium, and a sound absorbing member having a Helmholtz resonator for insulating sounds at a predetermined frequency among sounds generated by the drive.

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What is claimed is: 1. An electronic apparatus comprising: a drive for recording/reproducing a recording medium; a sound absorbing member having a Helmholtz resonator for absorbing sounds at a predetermined frequency among sounds generated by the drive; and a removably mounted first lid that includ

What is claimed is: 1. An electronic apparatus comprising: a drive for recording/reproducing a recording medium; a sound absorbing member having a Helmholtz resonator for absorbing sounds at a predetermined frequency among sounds generated by the drive; and a removably mounted first lid that includes an outer surface facing away from the electronic apparatus and an inner surface facing towards the electronic apparatus, the first lid covering a front side of the electronic apparatus from a first side edge of the electronic apparatus to a second side edge of the electronic apparatus, wherein the sound absorbing member with the Helmholtz resonator is provided in a plane on the inner surface of the first lid and extends from approximately the first side edge to approximately the second side edge of the electronic apparatus and further comprising a second lid removably mounted at an opening on the front side of the electronic apparatus, the second lid having a length that extends a distance across the front side of the electronic apparatus less than a distance extended by the first lid, the drive can be mounted/dismounted via the opening provided on a front side of the electronic apparatus, wherein the second lid covers the drive when the drive is mounted in the electronic apparatus, and wherein the first lid encloses the second lid when the first lid is mounted to the electronic apparatus. 2. The electronic apparatus according to claim 1, wherein: the drive is a hard disk drive. 3. The electronic apparatus according to claim 1, wherein: the drive can be mounted/dismounted via an opening provided on a front side of the electronic apparatus. 4. The electronic apparatus according to claim 1, wherein: a suction port is provided on the front side of the electronic apparatus to introduce cooling air into the electronic apparatus; and the electronic apparatus further includes a cooling fan disposed in the electronic apparatus near the suction port. 5. The electronic apparatus according to claim 1, further comprising: a second lid removably mounted at the opening on the front side of the electronic apparatus. 6. The electronic apparatus according to claim 5, wherein: the second lid is composed of a metal lid or a plastic lid. 7. The electronic apparatus according to claim 1, further comprising: a case which accommodates the drive having the sound absorbing member provided on a plane facing to the drive. 8. A sound insulating method for an electronic apparatus comprising a step of: absorbing sounds at a predetermined frequency among sounds generated by the drive, with a Helmholtz resonator, covering a whole front side of the electronic apparatus with a removably mounted first lid that includes an outer surface facing away from the electronic apparatus and an inner surface facing towards the electronic apparatus, wherein the sound absorbing member with the Helmholtz resonator is provided in a plane on the inner surface of the first lid and extends from approximately a first side edge of the electronic apparatus to approximately a second side edge of the electronic apparatus and further comprising providing a second lid removably mounted at an opening on the front side of the electronic apparatus, the second lid having a length that extends a distance across the front side of the electronic apparatus less than a distance extended by the first lid, the drive can be mounted/dismounted via the opening provided on a front side of the electronic apparatus, covering the drive with the second lid when the drive is mounted in the electronic apparatus, and enclosing the second lid with the first lid when the first lid is mounted to the electronic apparatus. 9. An electronic apparatus comprising: at least one drive for recording/reproducing a recording medium, the at least one drive can be mounted/dismounted via an opening provided on a front side of the electronic apparatus; a removably mounted first lid that includes an outer surface facing away from the electronic apparatus and an inner surface facing towards the electronic apparatus, the first lid extending from a first side of the electronic apparatus to a second side of the electronic apparatus; a second lid removably mounted on the front side of the electronic apparatus, the second lid having a length that extends a distance across the front side of the electronic apparatus less than a distance extended by the first lid, the second lid covering the at least one drive when the drive is mounted in the electronic apparatus; a sound absorbing member having a Helmholtz resonator for absorbing sounds at a predetermined frequency among sounds generated by the drive, wherein the sound absorbing member with the Helmholtz resonator is provided in a plane on the inner surface of the first lid and extends from approximately a first side edge of the electronic apparatus to approximately a second side edge of the electronic apparatus, wherein the first lid encloses the second lid when the first lid is mounted to the electronic apparatus. 10. The electronic apparatus according to claim 9, wherein the second lid is composed of a metal lid or a plastic lid. 11. The electronic apparatus according to claim 10, further comprising: a case which accommodates the at least one drive, the case including a main case body and a case lid, wherein the second lid covers the case lid when the at least one drive is mounted in the electronic apparatus. 12. The electronic apparatus according to claim 9, wherein the first lid includes a plurality of openings on a top edge and a bottom edge.