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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+