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# ZENITH DATA SYSTEMS
LAN4TR-XT
NIC Type Token-Ring
Transfer Rate 4Mbps
Data Bus 8-bit ISA
Topology Ring
Wiring Type Shielded/Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP2 |
|-----------------------------------+------------------------|
| » | 0A20 - 0A2Fh | Closed |
|---+-------------------------------+------------------------|
| | 0A60 - 0A6Fh | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP3 |
|------------------------------+-----------------------------|
| » | 2 | Closed |
|----+-------------------------+-----------------------------|
| | 3 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| ROM Address | Data Memory (Buffer) Address | JP4 |
|--------------------+------------------------------+--------|
| » | CC000 - CDFFFh | CE000 - DDFFFh | Closed |
|---+----------------+------------------------------+--------|
| | DC000 - DDFFFh | DE000 - DFFFFh | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LLC EPROM ENABLED |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------------------------+-------------|
| » | External EPROMs disabled | Closed |
|--------+-------------------------------------+-------------|
| | External EPROMs enabled | Open |
|------------------------------------------------------------|
| Note:The LLC EPROMs contain the Logic Link Control |
| program. The card will function properly with the LLC |
| chips |
+------------------------------------------------------------+