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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
(Amendment No. 3)
Black Box Corp.
(Name of Issuer)
Common
(Title of Class of Securities)
091826 10 7
(CUSIP Number)
January 31, 1999
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
/X/ Rule 13d-1(b) / / Rule 13d-1(c) / / Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purposes of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
(Continued on following page(s))
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CUSIP No. 091826 10 7
Schedule 13G
1
NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Dresdner RCM Global Investors LLC 94-3244780
Dresdner RCM Global Investors
US Holdings LLC 94-3244780
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [ ] (b) [X]
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Dresdner RCM Global Investors LLC - DE Limited Liability Co.
Dresdner RCM Global Investors US Holdings LLC -
DE Limited Liability Co.
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
5 SOLE VOTING POWER
Dresdner RCM Global Investors LLC 1,214,600
Dresdner RCM Global Investors
US Holdings LLC 1,214,600
6 SHARED VOTING POWER
Dresdner RCM Global Investors LLC -0-
Dresdner RCM Global Investors
US Holdings LLC -0-
7 SOLE DISPOSITIVE POWER
Dresdner RCM Global Investors LLC 1,815,600
Dresdner RCM Global Investors
US Holdings LLC 1,815,600
8 SHARED DISPOSITIVE POWER
Dresdner RCM Global Investors LLC 73,000
Dresdner RCM Global Investors
US Holdings LLC 73,000
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
Dresdner RCM Global Investors LLC 1,888,600
Dresdner RCM Global Investors
US Holdings LLC 1,888,600
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
Dresdner RCM Global Investors LLC 10.72%
Dresdner RCM Global Investors
US Holdings LLC 10.72%
12
TYPE OF REPORTING PERSON
Dresdner RCM Global Investors LLC -IA,OO
Dresdner RCM Global Investors
US Holdings LLC -IA,OO
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Item 1(a) Name of Issuer:
Black Box Corp.
Item 1(b) Address of Issuer's Principal Executive Offices:
1000 Park Drive
Lawrence, Pennsylvania 15055
Item 2(a) Name of Person Filing:
Dresdner RCM Global Investors LLC
Dresdner RCM Global Investors US Holdings LLC
Item 2(b) Address of Principal Business Office or, if none, Residence:
Four Embarcadero Center
San Francisco, California 94111
Item 2(c) Citizenship:
Dresdner RCM Global Investors LLC
- DE Limited Liability Co.
Dresdner RCM Global Investors US Holdings LLC
- DE Limited Liability Co.
Item 2(d) Title of Class of Securities:
Common
Item 2(e) CUSIP Number:
091826 10 7
Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
check whether the person filing is a:
(e) [X] An investment adviser in accordance with Section
240.13d-1(b)(1)(ii)(E).
Item 4. Ownership.
See responses to Items 5, 6, 7, 8, 9, and 11 of Cover Page.
Item 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following [ ].
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Not Applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company.
See Exhibit A.
Item 8. Identification and Classification of Members of the Group.
Not Applicable.
Item 9. Notice of Dissolution of Group.
Not Applicable.
Item 10. Certification.
Not Applicable.
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired in the ordinary course of business
and were not acquired for the purpose of and do not have the effect of changing
or influencing the control of the issuer of the securities and were not acquired
in connection with or as a participant in any transaction having that purpose or
effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
February 10, 1999
By /s/ Susan C. Gause
Susan C. Gause
In her capacity as
Chief Operating Officer
of Dresdner RCM Global
Investors LLC and Chief
Operating Officer of
Dresdner RCM Global
Investors US Holdings LLC
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EXHIBIT A
Dresdner RCM Global Investors LLC ("Dresdner RCM") is an investment adviser and
a wholly owned subsidiary of Dresdner RCM US Holdings LLC ("DRCM Holdings").
Dresdner RCM Holdings is a Delaware Limited Liability Company.
Dresdner RCM has filed this Schedule 13G pursuant to Section
240.13d-1(b)(1)(ii)(E) of the Securities Exchange Act of 1934 (the "Act"). DRCM
Holdings has filed this Schedule 13G pursuant to Section 240.13d-(b)(1)(ii)(G)
of the Act.
Dresdner RCM and DRCM Holdings are filing a joint statement on Schedule 13G
under the Act in connection with the common stock of Black Box Corp.
Dresdner RCM and DRCM Holdings are each responsible for the timely filing of
Schedule 13G and any amendments thereto, and for the completeness and accuracy
of the information concerning each of them contained therein, but none of them
is responsible for the completeness or accuracy of the information of the other.
February 10, 1999
By /s/ Susan C. Gause
Susan C. Gause
In her capacity as
Chief Operating Officer
of Dresdner RCM Global
Investors LLC and Chief
Operating Officer of
Dresdner RCM Global
Investors US Holdings LLC
