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# XINETRON, INC.
XINET XI-286/LS2121
Processor 80286
Processor Speed 12MHz
Chip Set C & T
Max. Onboard DRAM 4MB
SRAM Cache None
BIOS Unknown
Dimensions 360mm x 340mm
I/O Options Arcnet interfaces (BNC and twisted pair),
floppy drive interface,
IDE interface, parallel port, serial ports
(2), VGA port
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| BNC network | C1 | Serial port | C7 |
| interface | | (COM2) | |
|-------------------+----------+------------------+----------|
| RJ11 network | C2 | IDE interface | C9 |
| interface | | | |
|-------------------+----------+------------------+----------|
| RJ11 network | C3 | Floppy drive | C10 |
| interface | | interface | |
|-------------------+----------+------------------+----------|
| VGA port | C4 | External battery | J30 |
|-------------------+----------+------------------+----------|
| Parallel port | C5 | Riser card | R1 |
|-------------------+----------+------------------+----------|
| Serial port | C6 | | |
| (COM1) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------+-------------+------------|
| | Factory configured - do | J3 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J5 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| » | Monitor type select | J8 | Open |
| | monochrome, EGA/VGA | | |
|----+----------------------------+-------------+------------|
| | Monitor type select color | J8 | Closed |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J11 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| » | BIOS type select 27128 | J13 | Open |
|----+----------------------------+-------------+------------|
| | BIOS type select 27256 | J13 | Closed |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J99 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| » | Onboard terminator enabled | J109 | Open |
|----+----------------------------+-------------+------------|
| | Onboard terminator | J109 | Closed |
| | disabled | | |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J205 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| » | Floppy interface enabled | J306 | pins 2 & 3 |
| | | | closed |
|----+----------------------------+-------------+------------|
| | Floppy interface disabled | J306 | pins 1 & 2 |
| | | | closed |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J307 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J309 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J310 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| | Factory configured - do | J311 | Unknown |
| | not alter | | |
|----+----------------------------+-------------+------------|
| » | IDE interface enabled | J312 & J313 | pins 2 & 3 |
| | | | closed |
|----+----------------------------+-------------+------------|
| | IDE interface disabled | J312 & J313 | pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note: If the system is on either end of a linear bus |
| network segment, or used in a star network topology, the |
| onboard terminator may be used instead of an external |
| terminator. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD VIDEO CONFIGURATION |
|------------------------------------------------------------|
| Function | J201 | J204 |
|----------------------------+---------------+---------------|
| » | Onboard video enabled | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---+------------------------+---------------+---------------|
| | Onboard video disabled | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| COM1 | COM2 | J303 | J304 | J305 |
|--------------+----------+------------+----------+----------|
| » | Enabled | Enabled | pins 2 & 3 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| | Enabled | Disabled | pins 2 & 3 | pins 1 & | pins 2 & |
| | | | closed | 2 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| | Disabled | Enabled | pins 1 & 2 | pins 2 & | pins 2 & |
| | | | closed | 3 closed | 3 closed |
|---+----------+----------+------------+----------+----------|
| | Disabled | Disabled | pins 1 & 2 | pins 1 & | pins 1 & |
| | | | closed | 2 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT 1 (C3) CONFIGURATION |
|------------------------------------------------------------|
| LPT | J301 | J302 |
|------------------+--------------------+--------------------|
| » | LPT 1 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | LPT 2 | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | LPT 3 | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | J6 | J7 | J20 | Bank 0 | Bank 1 |
|-------+--------+--------+--------+------------+------------|
| 512KB | Closed | Closed | Closed | (2) 256K x | NONE |
| | | | | 9 | |
|-------+--------+--------+--------+------------+------------|
| 1MB | Closed | Open | Closed | (2) 256K x | (2) 256K x |
| | | | | 9 | 9 |
|-------+--------+--------+--------+------------+------------|
| 2MB | Open | Open | Closed | (2) 1M x 9 | NONE |
|-------+--------+--------+--------+------------+------------|
| 4MB | Closed | Closed | Open | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ARCNET NETWORK INTERFACE CONFIGURATION |
|------------------------------------------------------------|
| Function | J101 | J103 | J105 | J106 | J107 | J108 |
|------------------+------+------+------+------+------+------|
|»| BNC connection |Closed|Closed|pins 2|pins 2| N/A | N/A |
| | | | | & 3 | & 3 | | |
|-+----------------+------+------+------+------+------+------|
| | Twisted pair |Closed|Closed|pins 1|pins 1|pins 2|pins 2|
| | (1st pair) | | | & 2 | & 2 | & 3 | & 3 |
|-+----------------+------+------+------+------+------+------|
| | Twisted pair |Closed|Closed|pins 1|pins 1|pins 1|pins 1|
| | (2nd pair) | | | & 2 | & 2 | & 2 | & 2 |
|-+----------------+------+------+------+------+------+------|
| | Disabled | Open | Open | N/A | N/A | N/A | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ARCNET INTERRUPT REQUEST CONFIGURATION |
|------------------------------------------------------------|
| Setting | J101 |
|---------------------------+--------------------------------|
| » | IRQ 2 | pins 9 & 10 closed |
|------+--------------------+--------------------------------|
| | IRQ 3 | pins 7 & 8 closed |
|------+--------------------+--------------------------------|
| | IRQ 4 | pins 5 & 6 closed |
|------+--------------------+--------------------------------|
| | IRQ 5 | pins 3 & 4 closed |
|------+--------------------+--------------------------------|
| | IRQ 7 | pins 1 & 2 closed |
+------------------------------------------------------------+
+--------------------------------------------------------------------+
| NODE ADDRESS |
|--------------------------------------------------------------------|
|Node|SW101/1|SW101/2|SW101/3|SW101/4|SW101/5|SW101/6|SW101/7|SW101/8|
|----+-------+-------+-------+-------+-------+-------+-------+-------|
| 0 | - | - | - | - | - | - | - | - |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
| 1 | On | On | On | On | On | On | On | Off |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
| 2 | On | On | On | On | On | On | Off | On |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
| 3 | On | On | On | On | On | On | Off | Off |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
| 4 | On | On | On | On | On | Off | On | On |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
|251 | Off | Off | Off | Off | Off | On | Off | Off |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
|252 | Off | Off | Off | Off | Off | Off | On | On |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
|253 | Off | Off | Off | Off | Off | Off | On | Off |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
|254 | Off | Off | Off | Off | Off | Off | Off | On |
|----+-------+-------+-------+-------+-------+-------+-------+-------|
|255 | Off | Off | Off | Off | Off | Off | Off | Off |
|--------------------------------------------------------------------|
|Notes: Node address 0 is used for messaging between nodes and must |
|not be used. |
| |
|A total of 255 node address settings are available. The switches are|
|a binary representation of the decimal node addresses. Switch 8 is |
|the Least Significant Bit and switch 1 is the Most Significant Bit. |
|The switches have the following decimal values: switch 1=128, 2=64, |
|3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn Off the switches and add the |
|values of the Off switches to obtain the correct node address. |
|(On=0, Off=1) |
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| RESPONSE/RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Response | Idle | Reconfig. | J102/pins 1 & | J102/pins |
| Time | Time | Time | 2 | 3 & 4 |
|----------+--------+-----------+----------------+-----------|
| 1130 (m) | 1237 | 1680ms | Closed | Closed |
| | (m) | | | |
|----------+--------+-----------+----------------+-----------|
| 563 (m) | 624 | 1680ms | Closed | Open |
| | (m) | | | |
|----------+--------+-----------+----------------+-----------|
| 285 (m) | 316 | 1680ms | Open | Closed |
| | (m) | | | |
|----------+--------+-----------+----------------+-----------|
| 78 (m) | 86 (m) | 840ms | Open | Open |
+------------------------------------------------------------+
+-----------------------------------------------------------------+
| BASE MEMORY ADDRESS AND BOOT ROM ADDRESS |
|-----------------------------------------------------------------|
|Base Address| Boot ROM |SW102/1|SW102/2|SW102/3|SW102/4|SW102/5|
| | Address | | | | | |
|------------+------------+-------+-------+-------+-------+-------|
|C0000-C07FFh|C2000-C3FFFh| On | On | On | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C0800-C0FFFh|C2000-C3FFFh| Off | On | On | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C1000-C17FFh|C2000-C3FFFh| On | Off | On | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C1800-C1FFFh|C2000-C3FFFh| Off | Off | On | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C4000-C47FFh|C6000-C7FFFh| On | On | Off | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C4800-C4FFFh|C6000-C7FFFh| Off | On | Off | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C5000-C57FFh|C6000-C7FFFh| On | Off | Off | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|C5800-C5FFFh|C6000-C7FFFh| Off | Off | Off | On | On |
|------------+------------+-------+-------+-------+-------+-------|
|CC000-CC7FFh|CE000-CFFFFh| On | On | On | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|CC800-CCFFFh|CE000-CFFFFh| Off | On | On | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|CD000-CD7FFh|CE000-CFFFFh| On | Off | On | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|CD800-CDFFFh|CE000-CFFFFh| Off | Off | On | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|D0000-D07FFh|D2000-D3FFFh| On | On | Off | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|D0800-D0FFFh|D2000-D3FFFh| Off | On | Off | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|D1000-D17FFh|D2000-D3FFFh| On | Off | Off | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|D1800-D1FFFh|D2000-D3FFFh| Off | Off | Off | Off | On |
|------------+------------+-------+-------+-------+-------+-------|
|D4000-D47FFh|D6000-D7FFFh| On | On | On | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D4800-D4FFFh|D6000-D7FFFh| Off | On | On | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D5000-D57FFh|D6000-D7FFFh| On | Off | On | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D5800 D5FFFh|D6000-D7FFFh| Off | Off | On | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D8000-D87FFh|DA000-DBFFFh| On | On | Off | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D8800-D8FFFh|DA000-DBFFFh| Off | On | Off | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D9000-D97FFh|DA000-DBFFFh| On | Off | Off | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|D9800-D9FFFh|DA000-DBFFFh| Off | Off | Off | On | Off |
|------------+------------+-------+-------+-------+-------+-------|
|DC000-DC7FFh|DE000-DFFFFh| On | On | On | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|DC800-DCFFFh|DE000-DFFFFh| Off | On | On | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|DD000-DD7FFh|DE000-DFFFFh| On | Off | On | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|DD800-DDFFFh|DE000-DFFFFh| Off | Off | On | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|E0000-E07FFh|E2000-E3FFFh| On | On | Off | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|E0800-E0FFFh|E2000-E3FFFh| Off | On | Off | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|E1000-E17FFh|E2000-E3FFFh| On | Off | Off | Off | Off |
|------------+------------+-------+-------+-------+-------+-------|
|E1800-E1FFFh|E2000-E3FFFh| Off | Off | Off | Off | Off |
+-----------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | SW102/6 | SW102/7 | SW102/8 |
|---------------+--------------+--------------+--------------|
| 260-26Fh | Off | Off | Off |
|---------------+--------------+--------------+--------------|
| 290-29Fh | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 2E0-2EFh | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 2F0-2FFh | On | On | Off |
|---------------+--------------+--------------+--------------|
| 300-30Fh | Off | Off | On |
|---------------+--------------+--------------+--------------|
| 350-35Fh | On | Off | On |
|---------------+--------------+--------------+--------------|
| 380-38Fh | Off | On | On |
|---------------+--------------+--------------+--------------|
| 3E0-3EFh | On | On | On |
+------------------------------------------------------------+