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 |