XINETRON, INC.
XINET LS3251
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 16MB  | 
| 
 SRAM Cache  | 
 None  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 AUI network interface, BNC network interface, floppy drive interface, IDE interface, parallel port, serial ports (2), game port  | 
| 
 NPU Options  | 
 80387DX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 AUI ethernet interface  | 
 C1  | 
 Game port  | 
 C6  | 
| 
 BNC ethernet interface  | 
 C2  | 
 Floppy drive interface  | 
 C7  | 
| 
 Parallel port  | 
 C3  | 
 IDE interface  | 
 C8  | 
| 
 Serial port (COM2)  | 
 C4  | 
 Reset switch  | 
 JP7  | 
| 
 Serial port (COM1)  | 
 C5  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Monitor type select monochrome  | 
 JP2  | 
 pins 2 & 3 closed  | 
| 
 Monitor type select color  | 
 JP2  | 
 pins 1 & 2 closed  | |
| » | 
 CPU speed select from keyboard  | 
 JP13  | 
 pins 1 & 2 closed  | 
| 
 CPU speed select fast  | 
 JP13  | 
 pins 2 & 3 closed  | |
| » | 
 Floppy drive interface enabled  | 
 JP306  | 
 pins 2 & 3 closed  | 
| 
 Floppy drive interface disabled  | 
 JP306  | 
 pins 1 & 2 closed  | |
| » | 
 IDE interface enabled  | 
 J312 & J313  | 
 pins 2 & 3 closed  | 
| 
 IDE interface disabled  | 
 J312 & J313  | 
 pins 1 & 2 closed  | |
| » | 
 Pipeline mode enabled  | 
 JP12  | 
 pins 1 & 2 closed  | 
| 
 Pipeline mode disabled  | 
 JP12  | 
 pins 2 & 3 closed  | |
| 
 SERIAL PORT CONFIGURATION  | ||||
| 
 COM1 (C5)  | 
 COM2 (C4)  | 
 JP303  | 
 JP304  | 
 JP305  | 
| 
 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 (C3) CONFIGURATION  | |||
| 
 LPT  | 
 I/O Address  | 
 JP301  | 
 JP302  | 
| 
 LPT 1  | 
 3BCh  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 LPT 2  | 
 378h  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 LPT 3  | 
 278h  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 Disabled  | 
 N/A  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 ETHERNET CABLE TYPE CONFIGURATION  | |||
| 
 Cable Type  | 
 JP102  | 
 J161-J166  | |
| » | 
 BNC  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 AUI transceiver via 9-pin  | 
 Open  | 
 pins 2 & 3 closed  | |
| 
 ETHERNET INTERRUPT REQUEST CONFIGURATION  | |||||
| 
 Channel  | 
 J111  | 
 J112  | 
 J113  | 
 J114  | |
| 
 IRQ 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 IRQ 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| » | 
 IRQ 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 ETHERNET I/O BASE ADDRESS CONFIGURATION  | |||||
| 
 Address  | 
 J121  | 
 J122  | 
 J123  | 
 J124  | |
| » | 
 320h  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 300h  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 340h  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 360h  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 ETHERNET BOOT ROM MEMORY ADDRESS CONFIGURATION  | ||||
| 
 Address  | 
 J131  | 
 J132  | 
 J133  | |
| » | 
 CC000h  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 C8000h  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 D0000h  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 NPU CONFIGURATION  | |||
| 
 Mode  | 
 JP4  | 
 JP11  | |
| » | 
 Disabled  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 Asynchronous  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | |
| 
 Synchronous  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | |||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
 JP20  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
 N/A  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
 N/A  | 
| 
 4MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 pins 1 & 2 closed  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
 NONE  | 
 N/A  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
 N/A  | 
| 
 10MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 pins 1 & 2 closed  | 
| 
 10MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 pins 2 & 3 closed  | 
| 
 16MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
 pins 2 & 3 closed  |