Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                         Securities Exchange Act of 1934
                         Pursuant to Section 13 or 15(d)


         Date of Report (Date of earliest event reported): March 6, 1998



                                    CASTELLE
             (Exact name of registrant as specified in its charter)



                                   California
                 (State or other jurisdiction of incorporation)


               0-220-20                                77-0164056
         (Commission File Number)         (IRS Employer Identification No.)




                             3255-3 Scott Boulevard
                              Santa Clara, CA 95054
                    (Address of principal executive offices)




       Registrant's telephone number, including area code: (408) 496-0474




                                            
Item 5.  Other Events
- ---------------------

     On March 6, 1998, Castelle issued a press release announcing fourth quarter
and 1997 annual  results and the  restatement of earnings for 1996 and the first
three quarters of 1997, which is filed herewith as Exhibit 99.1 and incorporated
herein by reference.


Item 7.  Financial Statements, Pro Forma Financial Information and Exhibits
- ---------------------------------------------------------------------------

(c)      Exhibits.

Exhibit
Number                     Description

99.1                       Press Release, dated March 6, 1998.



                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized. 

                                    Castelle



Dated: March 6, 1998         By: /s/  Randall I. Bambrough                     
                                      Randall I. Bambrough
                                      Chief Financial Officer, Vice President of
                                      Finance and Administration and Secretary




                                  EXHIBIT INDEX



Exhibit
Number                     Description

99.1                       Press Release, dated March 6, 1998.



                                  EXHIBIT 99.1

FOR IMMEDIATE RELEASE

CONTACT:
Art Bruno, Chairman                                  (408) 496-0474
Randall Bambrough, Vice President Finance  & CFO     (408) 496-0474


Santa Clara, California,  March 6, 1998 - CASTELLE (Nasdaq-CSTL) today announced
financial  results for the fourth quarter and full year ended December 31, 1997,
and a restatement  of results for 1996 and the first three  quarters of 1997 due
to a change in the method of accounting from  pooling-of-interest  accounting to
purchase  accounting  on the  instructions  from  the  Securities  and  Exchange
Commission  ("SEC") for the acquisition of Ibex  Technologies,  Inc. ("Ibex") in
November  1996.  The  restatement,  discussed in more detail below,  resulted in
certain amortization, restructuring and other charges being taken by the Company
in the fourth  quarter of 1996 and the first three  quarters of 1997, but had no
impact on cash or cash equivalent balances for these periods or on the financial
results for the fourth quarter of 1997.

Net sales in the fourth quarter of 1997 were $5.3 million down from $8.1 million
in the same period in 1996 (as  restated).  The company  recorded a net loss for
the  fourth  quarter of 1997 of  $930,000  or $0.21 per share  (diluted)  on 4.5
million  shares,  compared  to net  income  of $3.5  million  or $0.84 per share
(diluted) on 4.2 million shares for the comparable period of 1996 (as restated).
Net income for the fourth  quarter of 1996,  excluding  restructuring  and other
charges of $1.1  million  and a one-time  net tax benefit of $3.7  million,  was
$894,000 or $.21 per share (as restated).

Net sales for the year ended  December 31, 1997 were $25.3  million  compared to
$29.5 million for the same period in 1996 (as  restated).  Net loss for the year
ended  December  31, 1997 was $6.9  million or $1.54 per share  (diluted) on 4.5
million  shares,  compared  to net  income  of $5.7  million  or $1.45 per share
(diluted) on 3.9 million shares for the comparable period of 1996 (as restated).
Net loss for 1997, excluding  restructuring and other charges of $6.2 million, a
one-time net year-to date tax benefit of $732,000 and amortization of intangible
assets of  $574,000,  was  $829,000  or $.19 per  share.  Net  income  for 1996,
excluding  restructuring  and other  charges of $1.1  million and a one-time net
year-to-date tax benefit of $3.7 million, was $3.1 million or $.79 per share (as
restated).

"Castelle's  fourth quarter revenues fell below our  expectations,"  said Arthur
Bruno,  Chairman.  "The  Company's  print  server  sales to the Pacific Rim were
adversely impacted by a component shortage and business  conditions in Asia that
resulted in a significant  revenue  shortfall.  In addition,  our European sales
continue below  expectations  and as such, a restructure of our sales efforts in
that region is being implemented."

During the quarter,  the Company  successfully  introduced FaxPress Version 4.0,
the industry's first NT and NetWare fax server to support  Internet faxing.  The
Company  continues  to solidify its  Internet  fax and print  strategy  with the
release  of an  SMTP-based  Internet  email-to-fax  gateway,  the  release of an
Internet  print server and the  development  of strategic  alliances  with ISPs.
Castelle has recently won awards in the Internet  arena,  including the Editors'
Choice  Award for  FaxPress  from  Internet  Telephony  magazine,  and the "Best
Web-Fax-Enabling Software" Award for InfoPress from The Kauffman Group.

The above results for 1996 and 1997 reflect the impact of a  restatement  of the
manner  in which  the  Company  has  accounted  for the  acquisition  of Ibex in
November 1996.  Previously,  the Company had accounted for the acquisition using
pooling-of-interest accounting. However, the SEC has advised the Company that in
its view the acquisition did not qualify as a pooling-of-interests for technical
reasons and must be accounted  for as a purchase.  This  conclusion  was reached
following  initial  questions  raised by the SEC after a review of the Company's
financial  statements  in the fourth  quarter of 1997 and  extensive  subsequent
discussions  between the Company and the SEC which  continued  through  February
1998. Due to the SEC's  conclusions,  the Company has now restated its financial
statements  for the fourth quarter of 1996, for the year 1996 as a whole and for
the  first  three  quarters  of  1997 to  account  for the  November  1996  Ibex
acquisition as a purchase as follows:



                               (In thousands, except per share amounts)
                        THREE                                              NINE
                       MONTHS      YEAR      THREE MONTHS ENDED          MONTHS 
                        ENDED     ENDED  ----------------------------     ENDED
                     12/31/96  12/31/96  3/28/97   6/27/97   9/26/97    9/26/97
                    ---------  --------  --------  --------  --------  ---------
                                                             
 Net Sales:
    As reported       $ 8,525  $ 32,725  $ 6,419   $ 7,002   $ 6,597   $ 20,018

    As restated       $ 8,111  $ 29,461  $ 6,419   $ 7,002   $ 6,597   $ 20,018

 Net Income (loss):
    As reported       $ 3,166   $ 5,643    $ 367      $ 74  $ (1,490)  $ (1,049)

    As restated       $ 3,499   $ 5,724     $ 80    $ (213) $ (5,832)  $ (5,965)

 Net Income (loss) per share:
    As reported        $ 0.68    $ 1.20   $ 0.08    $ 0.02   $ (0.33)   $ (0.24)

    As restated        $ 0.84    $ 1.45   $ 0.02   $ (0.05)  $ (1.30)   $ (1.34)



In connection with the restatement of the Ibex acquisition as a purchase instead
of a  pooling-of-interests,  the Company  recorded in the fourth quarter of 1996
net tangible assets and identified intangible assets acquired from Ibex at their
fair market value at that time of $142,000 and $2.7 million,  respectively,  and
recorded goodwill in the amount of $3.0 million.  In addition,  a charge of $1.1
million  (or  $0.26  per  share)  was  taken in the same  quarter  to  reflect a
write-off  of  Ibex's  in-process  research  and  development.  A charge of $1.4
million  relating to the  acquisition  costs of Ibex,  originally  booked in the
fourth quarter of 1996, was reversed and included as part of the purchase price.
1996 net sales were  reduced to reflect only one month of Ibex  revenues  rather
than the 12 months previously recorded. Amortization charges with respect to the
assets and goodwill  acquired  from Ibex were  recorded in December 1996 and the
first and second  quarters of 1997,  resulting  in  decreases  in the net income
previously   reported  in  the  amounts  of  $96,000,   $287,000  and  $287,000,
respectively.  Subsequently,  the balance of the goodwill, $2.7 million, and the
remaining value of intangible  assets,  $2.4 million,  were entirely written off
during  the  third  quarter  of 1997.  This was done when the  Company  suffered
significant  losses on its current Ibex products due to  increasing  competition
from Internet based  applications  and determined that the primary product under
development by Ibex was not economically  feasible. As a result, a restructuring
charge  previously  taken in the third quarter of 1997 was  increased  from $1.2
million (or $0.26 per share) to $6.2 million (or $1.39 per share). Further, as a
result  of the  restructuring  write-off  for the  Ibex  intangible  assets  and
goodwill,  the Company  booked a benefit  from taxes of  $732,000  (or $0.16 per
share) in the third quarter of 1997.

Castelle  strongly  advises  users of its  financial  statements to consider the
above  facts and avoid  relying  on the  previously  issued  (and now  recalled)
financial statements.

Because the intangible  assets and goodwill recorded in connection with the Ibex
acquisition  as  restated  were  entirely  written-off  by the end of the  third
quarter of 1997, the restatement had no impact on the financial  results for the
fourth  quarter of 1997 and will not have any impact on the Company's  financial
results for 1998 or subsequent years. Furthermore, the restatement had no impact
on cash or cash equivalent  balances during the previous  reporting  periods nor
will it have any impact on cash flow for future periods.

The Company is continuing  to explore  alternatives  for  enhancing  stockholder
value,   including  the  possibility  of  merging  with  another  company.  C.E.
Unterberg,  Towbin is continuing to advise the Company with respect to potential
opportunities in this regard.

Castelle,  founded in 1987, designs,  develops, markets and supports specialized
network  servers  for  increased  productivity  in  workgroups  and  distributed
enterprise  applications.  Products include:  internetwork fax and print servers
for workgroups,  fax and e-mail on demand, fax gateways,  plus fax broadcast and
Web  fax  systems.  Products  are  available  through  a  worldwide  network  of
distributors.   The  Company  also  has  relationships  with  selected  original
equipment  manufacturers and system integrators and sells software  enhancements
and  upgrades  directly  to end  users.  The  Company,  publicly  traded  on the
over-the-counter  market under the NASDAQ symbol CSTL, is headquartered in Santa
Clara, California. For more information, call 1-800-289-7555 or visit Castelle's
web site at http://www.castelle.com.

Except  for the  historical  information  contained  herein,  this news  release
contains  forward-looking  statements  that  involve  risks  and  uncertainties,
including timely development, acceptance and pricing of new products and general
economic conditions as they affect the Company's customers, as well as the other
risks  detailed from time to time in the  Company's  SEC reports,  including the
report on form 10-KSB for the year ended December 31, 1996.




                                    CASTELLE
                      Condensed Consolidated Balance Sheets
                                    (audited)
                                  (in thousand)

                                           DECEMBER 31,       DECEMBER 31,
                                               1997                1996*
                                         --------------    ---------------
Assets:
   Current Assets:
     Cash and cash equivalents and
        restricted cash                         $6,329            $8,161
     Accounts receivable, net                    3,273             5,783
     Inventories                                 3,786             2,841
     Prepaid expense and other assets              573               626
     Deferred incomes taxes                        874             1,439
                                         --------------    ---------------
        Total Current Assets                    14,835            18,850

   Property, plant & equipment, net                938               593
   Goodwill, net                                    --             2,955
   Other assets, net                                93             2,777
   Deferred incomes taxes                        3,060             2,128

                                         --------------    ---------------
        Total Assets                           $18,926           $27,303
                                         ==============    ===============

Liabilities & Shareholders' Equity:
   Current Liabilities:
     Long-term debt, current                       $87                --
     Accounts payable                            1,312            $1,862
     Accrued liabilities                         2,620             3,825
                                         --------------    ---------------
        Total Current Liabilities                4,019             5,687

   Other long-term liabilities                      52                --
                                         --------------    ---------------
        Total Liabilities                        4,071             5,687

   Shareholders' equity                         14,855            21,616

                                         --------------    ---------------
        Total Liabilities & Shareholders'      
        Equity                                 $18,926           $27,303
                                         ==============    ===============

- ------------
*as restated



                                    CASTELLE
                 Condensed Consolidated Statement of Operations
                     (in thousand, except per share amounts)


                                         THREE MONTHS           TWELVE MONTHS
                                      ENDED DECEMBER 31,     ENDED DECEMBER 31, 
                                         (UNAUDITED              (AUDITED)
                                       ..................   ....................
                                                             
                                         1997      1996*       1997       1996*
                                       --------  --------   ---------  ---------
    Net Sales                          $ 5,325   $ 8,111    $ 25,343   $ 29,461
    Cost of Sales                        2,644     3,608      11,836     14,993
                                       --------  --------   ---------  ---------
        Gross Profit                    2,681     4,503      13,507     14,468

    Operating Expenses:
        Research & Development             727       722       3,141      2,357
        Sales & Marketing                2,699     2,268       9,180      7,357
        General & Administrative           603       518       2,296      1,566
        Amort. of Intangible Assets         --        96         574         96
        Restructuring & Other Charges       --     1,079       6,224      1,079
                                       --------  --------   ---------  ---------
           Total Operating Expense       4,029     4,683      21,415     12,455

                                       --------  --------   ---------  ---------
    Income/(Loss) from Operations       (1,348)     (180)     (7,908)     2,013
                                       --------  --------   ---------  ---------
    Other Income, net                      124        47         281        183
                                       --------  --------   ---------  ---------
    Income/(Loss) before Taxes          (1,224)     (133)     (7,627)     2,196

    Benefit from Taxes                     294     3,632         732      3,528
                                       --------  --------   ---------  ---------
    Net Income/(Loss)                   $ (930)  $ 3,499    $ (6,895)   $ 5,724
                                       ========  ========   =========  =========
        Net Income/(Loss) per share    $ (0.21)   $ 0.84     $ (1.54)    $ 1.45

          Weighted average shares
             outstanding - diluted       4,489     4,161       4,470      3,942

  As a Percentage of Net Sales:

    Net Sales                           100.0%    100.0%      100.0%     100.0%
    Cost of Sales                        49.7%     44.5%       46.7%      50.9%
                                      --------  --------   ---------  ---------
        Gross Profit                     50.3%     55.5%       53.3%      49.1%

    Operating Expenses:
        Research & Development           13.7%      8.9%       12.4%       8.0%
        Sales & Marketing                50.6%     28.0%       36.2%      25.0%
        General & Administrative         11.3%      6.4%        9.1%       5.3%
        Amort. of Intangible Assets         --      1.1%        2.2%       0.3%
        Restructuring & Other Charges       --     13.3%       24.6%       3.7%
                                      --------  --------   ---------  ---------
           Total Operating Expense       75.6%     57.7%       84.5%      42.3%

                                      --------  --------   ---------  --------- 
    Income/(Loss) from Operations      (25.3%)    (2.2%)     (31.2%)       6.8%
                                      --------  --------   ---------  --------- 

    Other Income, net                     2.3%      0.6%        1.1%       0.7%
                                      --------  --------   ---------  ---------
    Income/(Loss) before Taxes         (23.0%)    (1.6%)     (30.1%)       7.5%

    Benefit from Taxes                    5.5%     44.7%        2.9%      11.9%
                                      --------  --------   ---------  --------- 
    Net Income/(Loss)                  (17.5%)     43.1%     (27.2%)      19.4%
                                      ========  ========   =========  =========


- ------------
*as restated