JOINDATA SYSTEMS, INC.
G486PLB
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit local bus VGA 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 VESA local bus slot |
S1 |
|
Speaker |
J12 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
JP1 |
Closed | |
|
Monitor type select monochrome |
JP1 |
Open | |
|
Power good signal detect from power supply |
JP2 |
pins 1 & 2 closed | |
|
Power good signal detect from board |
JP2 |
pins 2 & 3 closed | |
|
CMOS memory normal operation |
JP3 |
pins 2 & 3 closed | |
|
CMOS memory clear |
JP3 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP10 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP11 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP12 |
pins 1 & 2 closed | |
|
Factory configured - do not alter |
JP25 |
Open | |
|
Factory configured - do not alter |
JP50 |
Open | |
|
VESA local bus enabled |
JP100 |
Open | |
|
VESA local bus disabled |
JP100 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 8 |
NONE |
|
2MB |
(4) 256K x 8 |
(4) 256K x 8 |
|
4MB |
(4) 1M x 8 |
NONE |
|
5MB |
(4) 256K x 8 |
(4) 1M x 8 |
|
8MB |
(4) 1M x 8 |
(4) 1M x 8 |
|
16MB |
(4) 4M x 8 |
NONE |
|
20MB |
(4) 1M x 8 |
(4) 4M x 8 |
|
32MB |
(4) 4M x 8 |
(4) 4M x 8 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
64KB |
(8) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
|
64KB |
Open |
Open |
Open |
Open |
Open |
|
256KB |
Closed |
Closed |
Open |
Closed |
Open |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP14 |
JP15 |
JP16 |
|
80486SX |
Open |
pins 2 & 3 closed |
Open |
|
80487SX |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |