JOINDATA SYSTEMS, INC.
G486EVL
Processor | 80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed | 16/20/25/33/50(internal)/50/66(internal)MHz |
Chip Set | EFAR |
Max. Onboard DRAM | 32MB |
Cache | 64/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
32-bit VESA local bus slots | J1 & J2 | Power LED & keylock | J13 |
Turbo LED | J10 | Reset switch | J14 |
Turbo switch | J11 | External battery | JP2 |
Speaker | J12 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | JP1 | pins 2 & 3 closed |
CMOS memory clear | JP1 | pins 1 & 2 closed | |
» | CPU speed select 20/25/33MHz | JP33 | pins 2 & 3 closed |
CPU speed select 50MHz | JP33 | pins 1 & 2 closed | |
» | VESA bus select 0 wait states | JP34 | pins 1 & 2 closed |
VESA bus select 1 wait state | JP34 | pins 2 & 3 closed |
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 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
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 | JP13 | JP14 | JP15 |
64KB | Open | Open | Open |
256KB | Closed | Closed | Closed |
CPU TYPE CONFIGURATION | |||||
Type | OSC1 | JP9 | JP12 | JP17 | JP18 |
80486SX-20 | 20MHz | 2 & 3 | Open | 2 & 3 | Open |
80486SX-20 | 40MHz | 1 & 2 | Open | 2 & 3 | Open |
80486SX-25 | 25MHz | 2 & 3 | Open | 2 & 3 | Open |
80486SX-25 | 50MHz | 1 & 2 | Open | 2 & 3 | Open |
80486DX-25 | 50MHz | 1 & 2 | 2 & 3 | 1 & 2 | Closed |
80486DX-25 | 25MHz | 2 & 3 | 2 & 3 | 1 & 2 | Closed |
80487SX-25 | 50MHz | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
80487SX-25 | 25MHz | 2 & 3 | 1 & 2 | 1 & 2 | Closed |
80486DX-33 | 66MHz | 1 & 2 | 2 & 3 | 1 & 2 | Closed |
80486DX-33 | 33MHz | 2 & 3 | 2 & 3 | 1 & 2 | Closed |
80486DX2-50 | 25MHz | 2 & 3 | 2 & 3 | 1 & 2 | Closed |
80486DX2-66 | 33MHz | 2 & 3 | 2 & 3 | 1 & 2 | Closed |
Note:Pins designated should be in the closed position. |