Exhibit 10.1

3COM CORPORATION        1983 STOCK OPTION PLAN(Amendment and restatement, effective September 20, 2001)

1.Purposes of the Plan.The purposes of this 1983 Stock Option Plan are:





2.Definitions.As used herein, the following definitions shall apply:



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3.Stock Subject to the Plan.Subject to the provisions of Section 12 of the Plan, the maximum
aggregate number of Shares that may be optioned and sold under the Plan is One Hundred Six Million, Six Hundred and Fourteen Thousand Five Hundred and Forty Eight (106,614,548) Shares, as adjusted for
stock splits, stock dividends and similar events.The Shares may be authorized, but unissued, or reacquired Common Stock.

If
an Option expires or becomes unexercisable without having been exercised in full, the unpurchased Shares which were subject thereto shall become available for future grant or sale
under the Plan (unless the Plan has terminated); provided, however, that Shares that have actually been issued under the Plan shall not be returned to the Plan and shall not become available for
future distribution under the Plan.

4.Administration of the Plan.



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5.Eligibility.Nonstatutory Stock Options may be granted to Service Providers. Incentive Stock Options
may be granted only to Employees.

6.Limitations.



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7.Term of Plan.Subject to Section 19 of the Plan, the amendment and restatement of the Plan
shall become effective upon September 20, 2001. Thereafter, the Plan shall continue in effect for a term of ten (10) years unless terminated earlier under Section 15 of the Plan.

8.Term of Option.The term of each Option shall be stated in the Option Agreement. In the case of an
Incentive Stock Option, the term shall be ten (10) years from the date of grant or such shorter term as may be provided in the Option Agreement. Moreover, in the case of an Incentive Stock
Option granted to an Optionee who, at the time the Incentive Stock Option is granted, owns stock representing more than ten percent (10%) of the total combined voting power of all classes of stock of
the Company or any Parent or Subsidiary, the term of the Incentive Stock Option shall be five (5) years from the date of grant or such shorter term as may be provided in the Option Agreement.

9.Option Exercise Price and Consideration.



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10.Exercise of Option.



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11.Non-Transferability of Options.Unless determined otherwise by the Administrator, an
Option may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner other than by will or by the laws of descent or distribution and may be exercised, during the
lifetime of the Optionee, only by the Optionee. If the Administrator makes an Option transferable, such Option shall contain such additional terms and conditions as the Administrator deems
appropriate.

12.Adjustments Upon Changes in Capitalization, Dissolution, Merger or Asset Sale.



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13.Certain Terminations Within Twelve Months Following a Transfer of Control.In the event that,
within twelve (12) months following a Transfer of Control an Optionee's employment with a Participating Company is terminated involuntarily by his or her employer other than for Cause, then
such Optionee's Options shall have their vesting accelerated as to fifty percent (50%) of the unvested Shares of the date of such termination of employment.

14.Date of Grant.The date of grant of an Option shall be, for all purposes, the date on which the
Administrator makes the determination granting such Option, or such other later date as is determined by the Administrator. For purposes of determining the Fair Market Value under Section 2(n)
of the Plan, in the event that the date of grant is a market trading day, the grant shall be deemed to occur after the close of trading on the date of grant and the Fair Market Value shall be

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determined using the trading data for the date of grant. Notice of the determination shall be provided to each Optionee within a reasonable time after the date of such grant.

15.Amendment and Termination of the Plan.



16.Conditions Upon Issuance of Shares.



17.Inability to Obtain Authority.The inability of the Company to obtain authority from any regulatory
body having jurisdiction, which authority is deemed by the Company's counsel to be necessary to the lawful issuance and sale of any Shares hereunder, shall relieve the Company of any liability in
respect of the failure to issue or sell such Shares as to which such requisite authority shall not have been obtained.

18.Reservation of Shares.The Company, during the term of this Plan, will at all times reserve and
keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan.

19.Stockholder Approval.The Plan shall be subject to approval by the stockholders of the Company
within twelve (12) months after the date the Plan is adopted. Such stockholder approval shall be obtained in the manner and to the degree required under Applicable Laws.

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