GIGA-BYTE TECHNOLOGY CO., LTD.
GA-486VP
Processor |
80486SX/80487SX/CX486S/CX486S2/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
64MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
230mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Power LED & keylock |
J9 |
Turbo LED |
J5 |
32-bit VESA Local bus slot |
S1 |
Reset switch |
J6 |
32-bit VESA Local bus slot |
S2 |
Turbo switch |
J7 |
32-bit VESA Local bus slot |
S3 |
Speaker |
J8 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
J3 |
pins 1 & 2 closed |
CMOS memory clear |
J3 |
pins 2 & 3 closed | |
» |
Monitor type select CGA |
J11 |
Closed |
Monitor type select all others |
J11 |
Open |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
1MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
2MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
3MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
4MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
4MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
8MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
9MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
12MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
16MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
16MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
20MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
24MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
32MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
36MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
48MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
64MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
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) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size |
W0 |
W1 |
W2 |
W3 |
W4 |
64KB |
pins 1 & 2 |
Open |
Open |
pins 1 & 2 |
pins 1 & 2 |
128KB |
pins 1 & 2 |
Closed |
Open |
pins 2 & 3 |
pins 2 & 3 |
256KB |
pins 2 & 3 |
Closed |
Closed |
pins 1 & 2 |
pins 2 & 3 |
Note:Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | ||
Type |
JP3 |
W6 |
80486SX |
Open |
pins 2 & 3 closed |
CX486S |
Open |
pins 2 & 3 closed |
CX486S2 |
Closed |
pins 2 & 3 closed |
80487SX |
Open |
pins 1 & 2 closed |
80486DX |
Open |
pins 1 & 2 closed |
80486DX2 |
Open |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | |||||
Speed |
JP2 |
JP6 |
W7 |
W8 |
W9 |
25MHz |
pins 1 & 2 |
Open |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
33MHz |
pins 1 & 2 |
Open |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
40MHz |
pins 2 & 3 |
Closed |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
50iMHz |
pins 1 & 2 |
Open |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
50MHz |
pins 2 & 3 |
Closed |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
66iMHz |
pins 1 & 2 |
Open |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
Note:Pins designated should be in the closed position. |