JOINDATA SYSTEMS, INC.
G486SLC
| 
 Processor  | 
 80486SX/80486DX  | 
| 
 Processor Speed  | 
 25/33MHz  | 
| 
 Chip Set  | 
 Symphony  | 
| 
 Max. Onboard DRAM  | 
 32MB  | 
| 
 SRAM Cache  | 
 64/128/256/1024KB  | 
| 
 BIOS  | 
 AMI/MR  | 
| 
 Dimensions  | 
 330mm x 260mm  | 
| 
 I/O Options  | 
 32-bit external memory card slot  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Reset switch  | 
 J9  | 
 Power LED & keylock  | 
 J13  | 
| 
 Turbo LED  | 
 J10  | 
 External battery  | 
 J14  | 
| 
 Turbo switch  | 
 J11  | 
 32-bit external memory card  | 
 S1  | 
| 
 Speaker  | 
 J12  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Factory configured - do not alter.  | 
 JP6  | 
 Pins 1 & 2 Closed  | 
| » | 
 Factory configured - do not alter.  | 
 JP11  | 
 Closed  | 
| » | 
 Monitor type select color  | 
 JP12  | 
 closed  | 
| 
 Monitor type select monochrome  | 
 JP12  | 
 open  | |
| 
 Note: JP6 and JP11 are set for the G486SLC-50MHz, other settings are unidentified.  | |||
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 1M x 9  | 
 (4) 256K x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 17MB  | 
 (4) 4M x 9  | 
 (4) 256K x 9  | 
| 
 20MB  | 
 (4) 4M x 9  | 
 (4) 1M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 64KB  | 
 (4) 8K x 8  | 
 (4) 8K x 8  | 
 (1) 8K x 8  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 32K x 8  | 
| 
 1024KB  | 
 (4) 128K x 8  | 
 (4) 128K x 8  | 
 (1) 128K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||||||
| 
 Size  | 
 JP7  | 
 JP9  | 
 JP10  | 
 JP18  | 
 JP19  | 
 JP20  | 
| 
 64KB  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 128KB  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 256KB  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 1024KB  | 
 Open  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 CACHE JUMPER CONFIGURATION  | ||||||
| 
 Size  | 
 JP21  | 
 JP22  | 
 JP23  | 
 JP24  | 
 JP26  | 
 JP27  | 
| 
 64KB  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
 2 & 3  | 
 2 & 3  | 
| 
 128KB  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 2 & 3  | 
 2 & 3  | 
| 
 256KB  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 2 & 3  | 
 2 & 3  | 
| 
 1024KB  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 1 & 2  | 
 1 & 2  | 
| 
 Note:JP26 & JP27 may not be present on all boards. Pins designated should be in the closed position.  | ||||||
| 
 CPU TYPE CONFIGURATION  | |||
| 
 Type  | 
 JP3  | 
 JP4  | 
 JP8  | 
| 
 80486DX  | 
 Closed  | 
 pins 1 & 2 closed  | 
 Closed  | 
| 
 80486SX  | 
 Open  | 
 pins 2 & 3 closed  | 
 Open  | 
| 
 BATTERY CONFIGURATION  | ||
| 
 Type  | 
 J14  | 
 JP2  | 
| 
 146818  | 
 pins 1 & 2 closed  | 
 Open  | 
| 
 DS1287  | 
 Open  | 
 Closed  |