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S-NET NIC (WITH STATIC PROTECTION)

MICRODYNE CORPORATION

S-NET NIC (WITH STATIC PROTECTION)

NIC Type

S-Net

Transfer Rate

300/600Kbps

Data Bus

8-bit ISA

Topology

Star

Wiring Type

Belden 9184

Belden 9302

DSCC EDC4

IBM Type 1

Boot ROM

Available

OPERATION MODE

Setting

JP1

Interrupt mode

Pins 2 & 3 closed

 

Polled mode

Pins 1 & 2 closed

Note:This option controls the interface between the CPU and the UART on the card. Polled mode should only be used in IBM 3270 PCs.

NETWORK SPEED

Speed

JP2

600Kbps

Pins 1 & 2 closed

 

300Kbps

Pins 2 & 3 closed

Note:The LAN speed must match that of the 68B server.

CLOCK SELECT

Clock

JP3

System oscillator

Pins 1 & 2 closed

 

System clock

Pins 2 & 3 closed

Note:If the card is installed in a 4.77Mhz PC either setting can be used. If the card is installed in an AT or compatible, or a Turbo PC the system oscillator setting must be used (Pins 1 & 2 closed).

MISCELLANEOUS NOTES

This card comes in two versions. One version addresses the boot ROM at D0000h while the other uses address C0000h for the boot ROM.