RHETOREX, INC. RDSP/2108, RDSP/2132, RDSP/2164, RDSP/4108, RDSP/4132, RDSP/4164 Card Type Telephony I/O Options Telephone in/out (2 on RDSP/21xx, 4 on RDSP/41xx) Data Bus 8-bit ISA [Image] CONNECTIONS Function Label Function Label Daisy-chain connector J1 Lines 3 & 4 (not present J3 on RDSP/21xx) Lines 1 & 2 J2 Audio out J4 BASE I/O ADDRESS Setting W1/A W1/B W1/C W1/D W1/E W1/F W1/G W1/H W1/I W1/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. W1/A is the Most Significant Bit and jumper W1/J is the Least Significant Bit. The jumpers have the following decimal values: W1/A=512, W1/B=256, W1/C=128, W1/D=64, W1/E=32, W1/F=16, W1/G=8, W1/H=4, W1/I=2, W1/J=1. Open the jumpers and add the values of the open jumpers to obtain the correct memory address. (Open=1, Closed=0)