VISION TECHNOLOGIES
VLR 486
| 
 Processor  | 
 CX486M6/80486SX/TI486SXL/TI486SXL2/80487SX/CX486M7/80486DX/ AM486DXL/486DX2/80486DX4/Pentium Overdrive  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/50/66(internal)/66/75(internal)/80(internal)/ 100(internal)MHz  | 
| 
 Chip Set  | 
 ALI  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 32/64/128/256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (3)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Reset switch  | 
 J1  | 
 Turbo LED  | 
 J4  | 
| 
 Power LED & keylock  | 
 J2  | 
 Turbo switch  | 
 J5  | 
| 
 Speaker  | 
 J3  | 
 32-bit VESA local bus slots  | 
 SL1 - SL3  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 Battery type select internal  | 
 J6  | 
 pins 2 & 3 closed  | |
| 
 Battery type select external  | 
 J6  | 
 Closed  | |
| 
 CMOS memory clear  | 
 J6  | 
 pins 1 & 2 closed  | |
| 
 Factory configured - do not alter  | 
 JP4  | 
 N/A  | |
| 
 Factory configured - do not alter  | 
 JP11  | 
 pins 1 & 2 closed  | |
| 
 Cache type select write through  | 
 JP16  | 
 Open  | |
| 
 Cache type select write back  | 
 JP16  | 
 Closed  | |
| 
 Factory configured - do not alter  | 
 JP18  | 
 N/A  | |
| 
 CPU type select Intel S series CPU  | 
 JP19  | 
 Closed  | |
| 
 CPU type select 5v general CPU  | 
 JP19  | 
 Open  | |
| 
 Factory configured - do not alter  | 
 JP22  | 
 pins 2 & 3 closed  | |
| 
 Factory configured - do not alter  | 
 JP29  | 
 pins 2 & 3 closed  | |
| 
 External power select standby mode  | 
 JP32  | 
 pins 1 & 3 closed  | |
| 
 External power select suspend mode  | 
 JP32  | 
 pins 5 & 7 closed  | |
| 
 Factory configured - do not alter  | 
 JP34  | 
 Closed  | |
| 
 Factory configured - do not alter  | 
 JP35  | 
 Closed  | |
| 
 Monitor type select color  | 
 JP39  | 
 Closed  | |
| 
 Monitor type select monochrome  | 
 JP39  | 
 Open  | |
| 
 Battery type select lithIum  | 
 JP42  | 
 pins 2 & 3 closed  | |
| 
 Battery type select NI-CD  | 
 JP42  | 
 pins 1 & 2 closed  | |
| 
 Note: The locations of JP29, JP34, and JP35 are unidentified.  | |||
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 0/1  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 NONE  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 1MB  | 
 NONE  | 
 NONE  | 
 (1) 256K x 36  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 NONE  | 
 (1) 256K x 36  | 
| 
 2MB  | 
 NONE  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 3MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
| 
 6MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 6MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
| 
 6MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 NONE  | 
 (1) 1M x 36  | 
| 
 8MB  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 9MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 9MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 9MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 DRAM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 0/1  | 
 Bank 1  | 
| 
 16MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
| 
 16MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 18MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 18MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
| 
 18MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 21MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 21MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 21MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 21MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
| 
 21MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 21MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
| 
 24MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 24MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 24MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 NONE  | 
 (1) 4M x 36  | 
| 
 32MB  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 33MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 33MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 33MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
| 
 36MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 36MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 36MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 48MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (4) 16M x 9  | 
 NONE  | 
 NONE  | 
| 
 64MB  | 
 NONE  | 
 (1) 16M x 36  | 
 NONE  | 
| 
 64MB  | 
 NONE  | 
 NONE  | 
 (1) 16M x 36  | 
| 
 66MB  | 
 (4) 256K x 9  | 
 (1) 16M x 36  | 
 (1) 256K x 36  | 
| 
 66MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 (1) 16M x 36  | 
| 
 66MB  | 
 (4) 16M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 69MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
| 
 69MB  | 
 (4) 256K x 9  | 
 (1) 16M x 36  | 
 (1) 1M x 36  | 
| 
 69MB  | 
 (4) 1M x 9  | 
 (1) 16M x 36  | 
 (1) 256K x 36  | 
| 
 69MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 (1) 16M x 36  | 
| 
 69MB  | 
 (4) 16M x 9  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
| 
 69MB  | 
 (4) 16M x 9  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
| 
 72MB  | 
 (4) 1M x 9  | 
 (1) 16M x 36  | 
 (1) 1M x 36  | 
| 
 72MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
| 
 72MB  | 
 (4) 16M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 81MB  | 
 (4) 256K x 9  | 
 (1) 16M x 36  | 
 (1) 4M x 36  | 
| 
 81MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
| 
 81MB  | 
 (4) 4M x 9  | 
 (1) 16M x 36  | 
 (1) 256K x 36  | 
| 
 81MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 (1) 16M x 36  | 
| 
 81MB  | 
 (4) 16M x 9  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 0/1  | 
 Bank 1  | 
| 
 81MB  | 
 (4) 16M x 9  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
| 
 84MB  | 
 (4) 1M x 9  | 
 (1) 16M x 36  | 
 (1) 4M x 36  | 
| 
 84MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
| 
 84MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
| 
 84MB  | 
 (4) 16M x 9  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 84MB  | 
 (4) 16M x 9  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 96MB  | 
 (4) 4M x 9  | 
 (1) 16M x 36  | 
 (1) 4M x 36  | 
| 
 96MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
| 
 96MB  | 
 (4) 16M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 (1) 16M x 36  | 
 NONE  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 NONE  | 
 (1) 16M x 36  | 
| 
 128MB  | 
 NONE  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 32KB  | 
 (4) 8K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 64KB  | 
 (4) 16K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (1) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 256KB  | 
 (4) 64K x 8  | 
 NONE  | 
 (1) 16K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 16K x 8  | 
| 
 512KB  | 
 (4) 128K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JP23  | 
 JP30  | 
| 
 32KB  | 
 pins 6 & 7 closed  | 
 Open  | 
| 
 64KB  | 
 pins 4 & 5, 6 & 7 closed  | 
 pins 1 & 2 closed  | 
| 
 64KB  | 
 pins 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 128KB  | 
 pins 2 & 3, 4 & 5, 6 & 7 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 256KB  | 
 pins 2 & 3, 4 & 5, 6 & 7 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 256KB  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 512KB  | 
 pins 2 & 3, 4 & 5, 6 & 7 closed  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 CPU TYPE CONFIGURATION  | ||
| 
 Type  | 
 JP5  | 
 JP27  | 
| 
 TI486SXL  | 
 pins 2 & 3 Closed  | 
 pins 1 & 2 closed  | 
| 
 TI486SXL2  | 
 pins 2 & 3 Closed  | 
 pins 1 & 2 closed  | 
| 
 Cyrix  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 Closed  | 
| 
 Other CPU’s  | 
 Open  | 
 pins 2 & 3 Closed  | 
| 
 CPU TYPE CONFIGURATION  | ||||
| 
 Type  | 
 JP13  | 
 JP14  | 
 JP15  | 
 JP17  | 
| 
 CX486M6  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 80486SX  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 TI486SXL  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 TI486SXL2  | 
 Open  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 80487SX  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 CX486M7  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 80486DX  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 80486DX2  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 80486DX4  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 Pentium Overdrive  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Closed  | 
| 
 CPU TYPE CONFIGURATION (CON’T)  | |||
| 
 Type  | 
 JP20  | 
 JP45  | 
 JP46  | 
| 
 CX486M6  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 80486SX  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 TI486SXL  | 
 pins 1 & 2 closed  | 
 Closed  | 
 Closed  | 
| 
 TI486SXL2  | 
 pins 1 & 2 closed  | 
 Closed  | 
 Closed  | 
| 
 80487SX  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 CX486M7  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 80486DX  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 80486DX2  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 80486DX4  | 
 pins 1 & 2 closed  | 
 Open  | 
 Open  | 
| 
 Pentium Overdrive  | 
 pins 2 & 3 closed  | 
 Open  | 
 Open  | 
| 
 SMI CPU TYPE CONFIGURATION  | |||
| 
 Type  | 
 JP1  | 
 JP2  | 
 JP3  | 
| 
 80486 S-series  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 80486DX4  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 AM486DXL  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 CX486M6  | 
 pins 2 & 3 closed  | 
 pins 4 & 5 closed  | 
 pins 4 & 5 closed  | 
| 
 CX486M7  | 
 pins 2 & 3 closed  | 
 pins 4 & 5 closed  | 
 pins 4 & 5 closed  | 
| 
 TI486SXL  | 
 pins 1 & 2 closed  | 
 pins 5 & 6 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 TI486SXL2  | 
 pins 1 & 2 closed  | 
 pins 5 & 6 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
| 
 5v general CPU  | 
 Open  | 
 Open  | 
 Open  | 
| 
 CPU SPEED CONFIGURATION (INTEL & CYRIX ONLY)  | |||
| 
 Speed  | 
 JP28  | 
 JP33  | 
 JP36  | 
| 
 25MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 33MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 40MHz  | 
 pins 1 & 2 closed  | 
 pins 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 50iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 50MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 2 & 3 closed  | 
| 
 66iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 75iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 80iMHz  | 
 pins 1 & 2 closed  | 
 pins 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 100iMHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION (TI ONLY)  | |||
| 
 Speed  | 
 JP28  | 
 JP33  | 
 JP36  | 
| 
 25MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 33MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 40MHz  | 
 pins 2 & 3 closed  | 
 pins 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 50iMHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2, 5 & 6 closed  | 
 pins 1 & 2 closed  | 
| 
 66iMHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 1 & 2 closed  | 
| 
 CPU VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 JP43  | 
| 
 3.3v  | 
 pins 1 & 2 closed  | 
| 
 5v  | 
 pins 2 & 3 closed  | 
| 
 VESA WAIT STATE CONFIGURATION  | |
| 
 Wait states  | 
 JP7  | 
| 
 0 wait states  | 
 pins 1 & 2 closed  | 
| 
 1 wait state  | 
 pins 2 & 3 closed  | 
| 
 BUS SPEED CONFIGURATION  | |
| 
 CPU speed  | 
 JP6  | 
| 
 <= 33MHz  | 
 pins 1 & 2 closed  | 
| 
 > 33MHz  | 
 pins 2 & 3 closed  |