RHETOREX, INC.
==============

   RDSP/432, RDSP/464

   Card Type         Telephony                                    
   I/O Options       Telephone in/out (4)                         
   Data Bus          8-bit ISA                                    

<gopher://bitreich.org/I/th99/t/P-R/52144-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | Lines 1 & 2         |  8B1  | Signal ground        | 8EE1  |
   |---------------------+-------+----------------------+-------|
   | Lines 3 & 4         |  8C1  | Audio out            |  J8   |
   +------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|                              BASE I/O ADDRESS                               |
|-----------------------------------------------------------------------------|
|Setting|EJ1/A |EJ1/B |EJ1/C |EJ1/D |EJ1/E |EJ1/F |EJ1/G |EJ1/H |EJ1/I |EJ1/J |
|-------+------+------+------+------+------+------+------+------+------+------|
|  |000h|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |001h|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed| Open |
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |002h|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed| Open |Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |003h|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed| Open | Open |
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |004h|Closed|Closed|Closed|Closed|Closed|Closed|Closed| Open |Closed|Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|>> |300h| Open | Open |Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |3FBh| Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |3FCh| Open | Open | Open | Open | Open | Open | Open | Open |Closed|Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |3FDh| Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |3FEh| Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|--+----+------+------+------+------+------+------+------+------+------+------|
|  |3FFh| Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-----------------------------------------------------------------------------|
|     Note: A total of 1023 base address settings are available. The jumpers  |
|     are a binary representation of the decimal memory addresses. EJ1/A is   |
|     the Most Significant Bit and jumper EJ1/J is the Least Significant Bit. |
|     The jumpers have the following decimal values: EJ1/A=512, EJ1/B=256,    |
|     EJ1/C=128, EJ1/D=64, EJ1/E=32, EJ1/F=16, EJ1/G=8, EJ1/H=4, EJ1/I=2,     |
|     EJ1/J=1. Open the jumpers and add the values of the open jumpers to     |
|     obtain the correct memory address. (Open=1, Closed=0)                   |
+-----------------------------------------------------------------------------+