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  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 BNC network interface  | 
 C1  | 
 Serial port (COM2)  | 
 C7  | 
| 
 RJ11 network interface  | 
 C2  | 
 IDE interface  | 
 C9  | 
| 
 RJ11 network interface  | 
 C3  | 
 Floppy drive interface  | 
 C10  | 
| 
 VGA port  | 
 C4  | 
 External battery  | 
 J30  | 
| 
 Parallel port  | 
 C5  | 
 Riser card  | 
 R1  | 
| 
 Serial port (COM1)  | 
 C6  | 
 
  | 
 
  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Jumper  | 
 Position  | 
|
| 
 
  | 
 Factory configured - do not alter  | 
 J3  | 
 Unknown  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J5  | 
 Unknown  | 
| 
 »  | 
 Monitor type select monochrome, EGA/VGA  | 
 J8  | 
 Open  | 
| 
 
  | 
 Monitor type select color  | 
 J8  | 
 Closed  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J11  | 
 Unknown  | 
| 
 »  | 
 BIOS type select 27128  | 
 J13  | 
 Open  | 
| 
 
  | 
 BIOS type select 27256  | 
 J13  | 
 Closed  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J99  | 
 Unknown  | 
| 
 »  | 
 Onboard terminator enabled  | 
 J109  | 
 Open  | 
| 
 
  | 
 Onboard terminator disabled  | 
 J109  | 
 Closed  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J205  | 
 Unknown  | 
| 
 »  | 
 Floppy interface enabled  | 
 J306  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 Floppy interface disabled  | 
 J306  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J307  | 
 Unknown  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J309  | 
 Unknown  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J310  | 
 Unknown  | 
| 
 
  | 
 Factory configured - do not alter  | 
 J311  | 
 Unknown  | 
| 
 »  | 
 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 closed  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 Onboard video disabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 SERIAL PORT CONFIGURATION  | 
|||||
| 
 COM1  | 
 COM2  | 
 J303  | 
 J304  | 
 J305  | 
|
| 
 »  | 
 Enabled  | 
 Enabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 Enabled  | 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 Disabled  | 
 Enabled  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 Disabled  | 
 Disabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 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 9  | 
 NONE  | 
| 
 1MB  | 
 Closed  | 
 Open  | 
 Closed  | 
 (2) 256K x 9  | 
 (2) 256K x 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 & 3  | 
 pins 2 & 3  | 
 N/A  | 
 N/A  | 
| 
 
  | 
 Twisted pair (1st pair)  | 
 Closed  | 
 Closed  | 
 pins 1 & 2  | 
 pins 1 & 2  | 
 pins 2 & 3  | 
 pins 2 & 3  | 
| 
 
  | 
 Twisted pair (2nd pair)  | 
 Closed  | 
 Closed  | 
 pins 1 & 2  | 
 pins 1 & 2  | 
 pins 1 & 2  | 
 pins 1 & 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 Time  | 
 Idle Time  | 
 Reconfig. Time  | 
 J102/pins 1 & 2  | 
 J102/pins 3 & 4  | 
| 
 1130 (m)  | 
 1237 (m)  | 
 1680ms  | 
 Closed  | 
 Closed  | 
| 
 563 (m)  | 
 624 (m)  | 
 1680ms  | 
 Closed  | 
 Open  | 
| 
 285 (m)  | 
 316 (m)  | 
 1680ms  | 
 Open  | 
 Closed  | 
| 
 78 (m)  | 
 86 (m)  | 
 840ms  | 
 Open  | 
 Open  | 
| 
 BASE MEMORY ADDRESS AND BOOT ROM ADDRESS  | 
||||||
| 
 Base Address  | 
 Boot ROM Address  | 
 SW102/1  | 
 SW102/2  | 
 SW102/3  | 
 SW102/4  | 
 SW102/5  | 
| 
 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  |