Access 97 working slowly...???

[Korpisoturi]

Access 97 working little slowly. I have windows 2000. The computer is
old..processor is about 300 MHz and RAM- memory capasity is ~164 Mb.
Hard disk is 3.0GB.

I have only three tables which are similar. In a table is two fields
"date" and "barcode".

I am use MSComm - object, I receive the barcodes from virtual com -
ports. When the data incoming to COM port I calling "AddScanRecords ".
The code is same in everyform.

Access 97 working little slowly. I have windows 2000. The computer is
old..processor is about 300 MHz and RAM- memory capasity is ~164 Mb.
Hard disk is 3.0GB.

I have only three tables which are similar. In a table is two fields
"date" and "barcode".

I am use MSComm - object, I receive the barcodes from virtual com -
ports. When the data incoming to COM port the code on below
opening...The code is same in every form.

Private Sub MSComm1_OnComm( )

Dim buffer As String
Dim T1 As Single

buffer = MSComm1.CommEve nt
T1 = timer

Do Until buffer = 2
If timer - T1 2 Then Exit Sub
Loop
Call AddScanRecords

End Sub
Sub AddScanRecords( )

Dim db As Database, rs As DAO.Recordset
Dim StartTime As Date

StartTime = Now()

Set db = CurrentDb
Set rs = db.OpenRecordse t("Table1")

rs.AddNew
rs![BarCode] = MSComm1.Input
rs![ScanDate] = Now()
rs.Update

rs.Close
db.Close
End Sub

Is the database slow because I don't use asynchronous method to open
the database?

How can I open the database using asynchronous method?

Please help me!