MONOLITHIC SYSTEMS, INC. (COLORADO MSI) MSC CONNECT/AT4, MSC CONNECT/AT8 Card Type Serial Processor 80186 Processor Speed 8MHz Maximum Onboard Memory 32KB DRAM I/O Options Serial ports (4 or 8) Data Bus 16-bit ISA [Image] CONNECTIONS Function Label Function Label Serial ports via DB-37 CN1 Daisy-chain in LK3B connector Daisy-chain out LK3A Note:Standard DB-25 serial ports are provided on an external expansion box. The pinouts for CN1 are not the same on the Connect/AT4 and the Connect/AT8, so be sure you have the correct expansion box. When daisy-chaining cards, the master card should be the first card in the chain. USER CONFIGURABLE SETTINGS Setting Label Position » Factory configured - do not alter LK4 Open INTERRUPT 1 SELECTION Setting LK2/A LK2/B LK2/C LK2/D IRQ3 Pins 1 & 2 Open Open Open closed IRQ4 Open Pins 1 & 2 Open Open closed IRQ5 Open Open Pins 1 & 2 Open closed IRQ7 Open Open Open Pins 1 & 2 closed IRQ10 Open Open Open Open » IRQ11 Open Open Open Open IRQ12 Open Open Open Open IRQ15 Open Open Open Open Slave Open Open Open Open card INTERRUPT 1 SELECTION (CON’T) Setting LK2/E LK2/F LK2/G LK2/H IRQ3 Open Open Open Open IRQ4 Open Open Open Open IRQ5 Open Open Open Open IRQ7 Open Open Open Open IRQ10 Pins 1 & 2 Open Open Open closed » IRQ11 Open Pins 1 & 2 Open Open closed IRQ12 Open Open Pins 1 & 2 Open closed IRQ15 Open Open Open Pins 1 & 2 closed Slave Open Open Open Open card INTERRUPT 2 SELECTION Setting LK2/A LK2/B LK2/C LK2/D IRQ3 Pins 2 & 3 Open Open Open closed IRQ4 Open Pins 2 & 3 Open Open closed IRQ5 Open Open Pins 2 & 3 Open closed IRQ7 Open Open Open Pins 2 & 3 closed IRQ10 Open Open Open Open IRQ11 Open Open Open Open » IRQ12 Open Open Open Open IRQ15 Open Open Open Open Slave Open Open Open Open card INTERRUPT 2 SELECTION (CON’T) Setting LK2/E LK2/F LK2/G LK2/H IRQ3 Open Open Open Open IRQ4 Open Open Open Open IRQ5 Open Open Open Open IRQ7 Open Open Open Open IRQ10 Pins 2 & 3 Open Open Open closed IRQ11 Open Pins 2 & 3 Open Open closed » IRQ12 Open Open Pins 2 & 3 Open closed IRQ15 Open Open Open Pins 2 & 3 closed Slave Open Open Open Open card DMA CHANNEL SELECTION Setting LK1/A LK1/B LK1/C LK1/D DMA0 Open Open Open Open DMA1 Open Open Open Open DMA2 Open Open Open Open DMA3 Open Open Open Pins 1 & 2, 3 & 4 » DMA5 Open Open Pins 1 & 2, Open 3 & 4 DMA6 Open Pins 1 & 2, Open Open 3 & 4 DMA7 Pins 1 & 2, Open Open Open 3 & 4 DMA CHANNEL SELECTION (CON’T) Setting LK1/E LK1/F LK1/G DMA0 Open Open Pins 1 & 2, 3 & 4 DMA1 Open Pins 1 & 2, 3 Open & 4 DMA2 Pins 1 & 2, 3 Open Open & 4 DMA3 Open Open Open » DMA5 Open Open Open DMA6 Open Open Open DMA7 Open Open Open Note:Pins designated are in the closed position.