...because we can't all be on the bleeding edge...





MSC CONNECT/AT4, MSC CONNECT/AT8

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

CONNECTIONS

Function

Label

Function

Label

Serial ports via DB-37 connector

CN1

Daisy-chain in

LK3B

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

Ľ

Factory configured - do not alter

LK4

Open

INTERRUPT 1 SELECTION

Setting

LK2/A

LK2/B

LK2/C

LK2/D

 

IRQ3

Pins 1 & 2 closed

Open

Open

Open

 

IRQ4

Open

Pins 1 & 2 closed

Open

Open

 

IRQ5

Open

Open

Pins 1 & 2 closed

Open

 

IRQ7

Open

Open

Open

Pins 1 & 2 closed

 

IRQ10

Open

Open

Open

Open

Ľ

IRQ11

Open

Open

Open

Open

 

IRQ12

Open

Open

Open

Open

 

IRQ15

Open

Open

Open

Open

 

Slave card

Open

Open

Open

Open

INTERRUPT 1 SELECTION (CONíT)

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 closed

Open

Open

Open

Ľ

IRQ11

Open

Pins 1 & 2 closed

Open

Open

 

IRQ12

Open

Open

Pins 1 & 2 closed

Open

 

IRQ15

Open

Open

Open

Pins 1 & 2 closed

 

Slave card

Open

Open

Open

Open

INTERRUPT 2 SELECTION

Setting

LK2/A

LK2/B

LK2/C

LK2/D

 

IRQ3

Pins 2 & 3 closed

Open

Open

Open

 

IRQ4

Open

Pins 2 & 3 closed

Open

Open

 

IRQ5

Open

Open

Pins 2 & 3 closed

Open

 

IRQ7

Open

Open

Open

Pins 2 & 3 closed

 

IRQ10

Open

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Ľ

IRQ12

Open

Open

Open

Open

 

IRQ15

Open

Open

Open

Open

 

Slave card

Open

Open

Open

Open

INTERRUPT 2 SELECTION (CONíT)

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 closed

Open

Open

Open

 

IRQ11

Open

Pins 2 & 3 closed

Open

Open

Ľ

IRQ12

Open

Open

Pins 2 & 3 closed

Open

 

IRQ15

Open

Open

Open

Pins 2 & 3 closed

 

Slave card

Open

Open

Open

Open

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

Ľ

DMA5

Open

Open

Pins 1 & 2, 3 & 4

Open

 

DMA6

Open

Pins 1 & 2, 3 & 4

Open

Open

 

DMA7

Pins 1 & 2, 3 & 4

Open

Open

Open

DMA CHANNEL SELECTION (CONíT)

Setting

LK1/E

LK1/F

LK1/G

 

DMA0

Open

Open

Pins 1 & 2, 3 & 4

 

DMA1

Open

Pins 1 & 2, 3 & 4

Open

 

DMA2

Pins 1 & 2, 3 & 4

Open

Open

 

DMA3

Open

Open

Open

Ľ

DMA5

Open

Open

Open

 

DMA6

Open

Open

Open

 

DMA7

Open

Open

Open

Note:Pins designated are in the closed position.