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                                                                   EXHIBIT 10.30

                                 PROMISSORY NOTE

                           $500,000 September 30, 1999

                                                              Irvine, California

      The undersigned, General Automation, Inc., a Delaware corporation, for
value received, promises to pay to the order of Radisys CPD, Inc., or any
assignee (the "Holder"), the sum of Five Hundred Thousand Dollars ($500,000),
together with interest on unpaid principal as provided below. This Note has been
executed and delivered pursuant to that certain letter agreement of even date
herewith between the undersigned and Radisys CPD, Inc. (the "Letter Agreement").

      The following is a statement of the rights of the Holder of this Note and
the conditions to which this Note is subject:

1. INTEREST. The unpaid principal balance of this Note outstanding from time to
time shall bear interest from the date hereof until paid at the rate of ten
percent (10%) per annum.

2. PAYMENTS. Subject to Section 3 below, the entire principal amount of this
Note, together with all accrued interest thereon, shall be due and payable on
the earlier to occur of the date which is one hundred twenty (120) days
following the date of this Note (the "Maturity Date"); or the third business day
following the closing of a loan to the undersigned pursuant to that certain Loan
Agreement (the "Loan Agreement") of even date herewith between the undersigned
and Pacific Mezzanine Fund LLP ("PMF"), which loan yields net proceeds to the
undersigned of not less than One Million Dollars ($1,000,000), excluding the
initial $3,150,000 loaned by PMF to the Company pursuant to the Loan Agreement
(a "Qualifying Financing").

3. SATISFACTION OF OBLIGATIONS BY UNDERSIGNED. Notwithstanding Section 2 above,
in the event that a Qualifying Financing has not been consummated on or before
the Maturity Date, the undersigned may, in its sole discretion, by written
notice given by the undersigned to the Holder, elect to satisfy the
undersigned's entire obligation under this Note by executing and delivering to
the Holder a Secured Convertible Promissory Note with an original principal
amount equal to the sum of the then outstanding principal balance of this Note
and all accrued but unpaid interest then owed on this Note, upon and subject to
the terms and conditions stated in the Letter Agreement.

4. PREPAYMENT. The undersigned may at any time prepay this Note in whole or in
part. All payments made on this Note shall be applied first to accrued interest,
and the balance of such payment, if any, shall be applied to principal, and
interest shall thereupon cease upon the principal so credited.

5. HEADINGS. The headings of this Note have been inserted as a matter of
convenience and shall not affect the construction hereof.


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6. APPLICABLE LAW. This Note shall be governed by and construed in accordance
with the internal laws of the State of California.

7. TIME IS OF THE ESSENCE. Time is of the essence of this Note.

8. ATTORNEYS' FEES. In the event this Note is placed in the hands of an attorney
for collection, or if the Holder incurs any costs incident to the collection of
the indebtedness evidenced hereby, the undersigned and any endorsers hereof
agree to pay to the Holder an amount equal to all such costs, including without
limitation all actual reasonable attorney's fees and all court costs.

9. WAIVER. The payor and any guarantors and endorsers hereof expressly waive
diligence, presentment, protest and demand, and notice of protest, demand,
dishonor and nonpayment of this Note. No acceptance of a partial payment or
other indulgences granted from time to time shall be construed as a novation of
this Note or as a waiver of the right of the Holder thereafter to insist upon
strict compliance with the terms of this Note or to prevent the exercise of any
right granted hereunder or by applicable laws. No extension of the time for
payment of the indebtedness evidenced hereby, made by agreement with any person
now or hereafter liable for payment of the indebtedness evidenced hereby, shall
operate to release, discharge, modify, change or affect the original liability
of the undersigned hereunder or that of any other person now or hereafter liable
for payment of the indebtedness evidenced hereby, either in whole or in part,
unless the Holder agrees otherwise in writing. This Note may not be changed
orally, but only by an agreement in writing signed by the party against whom
enforcement of any waiver, change, modification or discharge is sought.

      IN WITNESS WHEREOF, the undersigned, General Automation, Inc., has
executed this Note.


                                            GENERAL AUTOMATION, INC.


                                            By:
                                                --------------------------------

                                            Its:
                                                --------------------------------



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                                 PROMISSORY NOTE

                        $500,000     September 30, 1999

                                                              Irvine, California

      The undersigned, General Automation, Inc., a Delaware corporation, for
value received, promises to pay to Boundless Technologies, Inc., a Delaware
corporation formerly known as SunRiver Data Systems, or order (the "Holder"),
the sum of five Hundred Thousand Dollars ($500,000), together with interest on
unpaid principal as provided below. This Note has been executed and delivered
pursuant to that certain letter agreement of even date herewith between the
undersigned and Boundless Technologies, Inc. (the "Letter Agreement").

      The following is a statement of the rights of the Holder of this Note and
the conditions to which this Note is subject:

1. INTEREST. The unpaid principal balance of this Note outstanding from time to
time shall bear interest from the date hereof until paid at the rate of ten
percent (10%) per annum.

2. PAYMENTS. Subject to Section 3 below, the entire principal amount of this
Note, together with all accrued interest thereon, shall be due and payable on
the earlier to occur of the date which is one hundred twenty (120) days
following the date of this Note (the "Maturity Date"); or the third business day
following the closing of a loan to the undersigned pursuant to that certain Loan
Agreement (the "Loan Agreement") of even date herewith between the undersigned
and Pacific Mezzanine Fund LLP ("PMF"), which loan yields net proceeds to the
undersigned of not less than One Million Fifty Thousand Dollars ($1,050,000),
excluding the initial $3,150,000 loaned by PMF to the Company pursuant to the
Loan Agreement; or the third business day following the closing of any other
debt or equity financing (other than the refinancing of the undersigned's real
property in Irvine, California) which yields gross proceeds to the undersigned
of not less than One Million Fifty Thousand Dollars ($1,050,000); or the third
business day following the closing of any refinancing of the undersigned's real
property in Irvine, California, which yields net proceeds to the undersigned of
not less than One Million Dollars ($1,000,000). (For purposes of this Note, each
of the financings described in clauses (b), (c) and (b) above is referred to as
a "Qualifying Financing").

3. SATISFACTION OF OBLIGATIONS BY UNDERSIGNED. Notwithstanding Section 2 above,
in the event that a Qualifying Financing has not been consummated on or before
the Maturity Date, the undersigned may, in its sole discretion, by written
notice given by the undersigned to the Holder, elect to satisfy the
undersigned's entire obligation under this Note by executing and delivering to
the Holder a Secured Convertible Promissory Note with an original principal
amount equal to the sum of the then outstanding principal balance of this Note
and all accrued but unpaid interest then owed on this Note, upon and subject to
the terms and conditions stated in the Letter Agreement.

                                   EXHIBIT B

4. PREPAYMENT. The undersigned may at any time prepay this Note in whole or in
part. All payments made on this Note shall be applied first to accrued interest,
and the balance of


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such payment, if any, shall be applied to principal, and interest shall
thereupon cease upon the principal so credited.

5. HEADINGS. The headings of this Note have been inserted as a matter of
convenience and shall not affect the construction hereof.

6. APPLICABLE LAW. This Note shall be governed by and construed in accordance
with the internal laws of the State of California.

7. TIME IS OF THE ESSENCE. Time is of the essence of this Note.

8. ATTORNEYS' FEES. In the event any action, suit, couterclaim, appeal,
arbitration, or mediation for any relief, declaratory or otherwise, pertaining
to enforcement of the terms of this Note or to the declaration of rights
hereunder (collectively, an "Action"), the losing party shall pay to the
prevailing party a reasonable sum for attorneys' fees and costs (at the
prevailing party's attorneys' then-prevailing rates) incurred in bringing and
prosecuting such action and/or enforcing any judgment, order, ruling, or award
(collectively, a "Decision") granted therein, all of which shall be deemed to
have accrued on the commencement of such Action and shall be paid whether or not
such Action is prosecuted to a Decision. Any Decision entered in such Action
shall contain a specific provision providing for the recovery for attorneys'
fees and costs incurred in enforcing such Decision. The court or arbitrator may
fix the amount of reasonable attorneys' fees and costs on the request of either
party. For the purposes of this section, attorneys' fees shall include, without
limitation, fees incurred in the following: postjudgment motions and collection
actions; contempt proceedings; garnishment, levy, and debtor and third party
examinations; discovery; and bankruptcy litigation. "Prevailing party" within
the meaning of this section includes a party who agrees to dismiss an Action on
the other party's payment of the sums allegedly due or performance of the
covenants allegedly breached, or who obtains substantially the relief sought by
it.

9. WAIVER. The payor and any guarantors and endorsers hereof expressly waive
diligence, presentment, protest and demand, and notice of protest, demand,
dishonor and nonpayment of this Note.

      IN WITNESS WHEREOF, the undersigned, General Automation, Inc., has
executed this Note.


                                            GENERAL AUTOMATION, INC.


                                            By:
                                                --------------------------------

                                            Its:
                                                --------------------------------