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 |