G486SVL Motherboard Settings and Configuration
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33MHz JOINDATA SYSTEMS, INC.G486SVL
Processor | 80486SX/80486DX |
Processor Speed | 20/25/33MHz |
Chip Set | Symphony |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 287mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |
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 slots | S1 & S2 |
Speaker | J12 |
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USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | JP3 | Open |
| CMOS memory clear | JP3 | Closed |
| Wait states select 0 | JP24 | Open |
| Wait state select 1 | JP24 | Closed |
| CPU speed select £ 33MHz | JP25 | Open |
| CPU speed select > 33MHz | JP25 | Closed |
» | Factory configured - do not alter | JP26 | Closed |
» | Factory configured - do not alter | JP27 | Closed |
» | Factory configured - do not alter | JP29 | Closed |
» | Monitor type select color | JP30 | Closed |
| Monitor type select monochrome | JP30 | Open |
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) 256K x 9 | (4) 1M x 9 |
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) 256K x 9 | (4) 4M x 9 |
17MB | (4) 4M x 9 | (4) 256K x 9 |
20MB | (4) 1M x 9 | (4) 4M 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 |
CACHE JUMPER CONFIGURATION | ||||||||||
Size | JP7 | JP8 | JP14 | JP15 | JP16 | JP18 | JP20 | JP21 | JP23 | JP28 |
64KB | Open | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | open | Open |
128KB | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Closed |
256KB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Open |
Note: Pins designated should be in the closed position. | ||||||||||
CPU TYPE CONFIGURATION | |||
Type | JP5 | JP6 | JP11 |
80486SX | Open | pins 1 & 2 closed | Open |
80486DX | Closed | pins 2 & 3 closed | Closed |
CPU SPEED CONFIGURATION | ||
Speed | JP4 | JP9 |
iOSC/2 | Open | pins 2 & 3 closed |
iOSC/1 | Closed | pins 1 & 2 closed |
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