Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  HAMILTON JAMES A
 2. Date of Event Requiring Statement (Month/Day/Year)
03/28/2007		 3. Issuer Name and Ticker or Trading Symbol
3COM CORP [COMS]
(Last)
(First)
(Middle)
350 CAMPUS DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP and President, Tippin
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MARLBOROUGH, MA 01752-3064		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 230,970 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy)   (2) 02/01/2012 Common Stock 50,000 $ 3.65 D  
Non-Qualified Stock Option (right to buy)   (2) 11/02/2012 Common Stock 1,000,000 $ 3.97 D  
Non-Qualified Stock Option (right to buy)   (2) 09/05/2013 Common Stock 475,000 $ 4.45 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
HAMILTON JAMES A
350 CAMPUS DRIVE
MARLBOROUGH, MA 01752-3064		       SVP and President, Tippin  

Signatures

James A. Hamilton 04/06/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes 187,500 Non-Derivative shares awarded on September 5, 2006 pursuant to 3Com Corporation's 2003 Stock Plan and are subject to a three-year, semi-annual vesting schedule. These shares cannot be sold until vesting requirements have been met.
(2) Shares granted become exercisable in equal installments over four years on the anniversary of the grant date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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