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 |