MAGUS DATA TECHNOLOGY, INC.
S486VL EDITION 1.1
Processor | 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 25/33/50(internal)/66(internal)MHz |
Chip Set | VLSI |
Max. Onboard DRAM | 128MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Turbo switch | J1 | Speaker | J4 |
Turbo LED | J2 | Power LED & keylock | J5 |
Reset switch | J3 | 32-bit VESA local bus slots | SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Power good signal detect from power supply | JP1 | pins 1 & 2 closed |
Power good signal detect from board | JP1 | pins 2 & 3 closed | |
» | Monitor type select CGA/EGA/VGA | JP2 | pins 1 & 2 closed |
Monitor type select MDA/EGA/VGA | JP2 | 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) 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 |
64MB | (4) 16M x 9 | NONE |
65MB | (4) 16M x 9 | (4) 256K x 9 |
68MB | (4) 16M x 9 | (4) 1M x 9 |
80MB | (4) 16M x 9 | (4) 4M x 9 |
128MB | (4) 16M x 9 | (4) 16M x 9 |
CPU TYPE CONFIGURATION | |||
Type | JP4 | JP5 | JP6 |
80486SX | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed |
80487SX | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
80486DX | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
80486DX2 | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
Pentium Overdrive | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
CPU SPEED CONFIGURATION | |
Speed | JP3 |
25MHz | pins 1 & 2 closed |
33MHz | pins 2 & 3 closed |
50iMHz | pins 1 & 2 closed |
66iMHz | pins 2 & 3 closed |
MISCELLANEOUS TECHNICAL NOTE |
Note:This board will handle a 80486DX4 with an adapter supplied from Magus. The settings for this adapter are unidentified by the manufacturer. |