INTEL CORPORATION
486-GL GREEN/VESA
|
Processor |
CX486S/CX486S2/80486SX/80487SX/CX486DX/80486DX/CX486DX2/ 80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connectors (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Green PC connector (hardware) |
JP21 |
|
Power LED & keylock |
J2 |
Green PC connector (monitor) |
JP32 |
|
Turbo switch |
JP16 |
Reset switch |
S1 |
|
Turbo LED |
JP17 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Speaker |
JP18 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CPU type select PGA |
JP1 |
Closed |
|
CPU type select PQFP |
JP1 |
Open | |
|
» |
CMOS memory normal operation |
JP26 |
pins 2 & 3 closed |
|
CMOS memory clear |
JP26 |
pins 1 & 2 closed | |
|
» |
Monitor type select color |
JP30 |
Closed |
|
Monitor type select monochrome |
JP30 |
Open | |
|
» |
Intel SMI CPU |
JP45 |
Closed |
|
Non Intel SMI CPU |
JP45 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
2MB |
NONE |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
NONE |
(1) 512K x 36 |
NONE |
(1) 512K x 36 |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
6MB |
NONE |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
NONE |
(1) 2M x 36 |
NONE |
NONE |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
10MB |
NONE |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
(1) 2M x 36 |
|
10MB |
NONE |
(1) 512K x 36 |
NONE |
(1) 2M x 36 |
|
12MB |
(1) 1M x 36 |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 1M x 36 |
NONE |
NONE |
(1) 2M x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
NONE |
(1) 2M x 36 |
NONE |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
NONE |
(1) 8M x 36 |
NONE |
NONE |
|
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
NONE |
(1) 8M x 36 |
NONE |
(1) 8M x 36 |
|
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
128MB |
NONE |
(1) 32M x 36 |
NONE |
NONE |
|
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) 16K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP10 |
JP11 |
JP13 |
JP35 |
|
64KB |
Open |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
128KB |
Open |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
Closed |
Closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
256KB |
Closed |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP6 |
JP7 |
|
80486SX |
Open |
Open |
|
80486DX |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP27 |
JP43 |
|
AMD SMI |
Open |
Open |
|
Intel SL |
Open |
Open |
|
CX486DX (1x) |
pins 1 & 2 closed |
Open |
|
CX486DX (2x) |
pins 2 & 3 closed |
Open |
|
80486DX4 (2x) |
Open |
pins 1 & 2 closed |
|
80486DX4 (3x) |
Open |
Open |
|
Other CPU types |
Open |
Open |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JP3 |
JP5 |
JP8 |
JP9 |
|
CX486S |
Open |
Open |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486SX |
Open |
Open |
pins 2 & 3 closed |
Open |
|
80487SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
Open |
|
CX4786DX |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX/DX2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
Open |
|
80486DX4 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
Open |
|
P24T |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
P24D |
Open |
Open |
Open |
Open |
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
JP12 |
JP22 |
JP23 |
JP50 |
|
CX486S |
Open |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
|
80486SX |
Open |
pins 1 & 2 closed |
Open |
Open |
|
80487SX |
Open |
pins 1 & 2 closed |
Open |
Open |
|
CX4786DX |
Open |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
|
80486DX/DX2 |
Open |
pins 1 & 2 closed |
Open |
Open |
|
80486DX4 |
Open |
pins 1 & 2 closed |
Open |
Open |
|
P24T |
Open |
pins 2 & 3 closed |
Open |
Open |
|
P24D |
Closed |
Open |
Closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | |||||
|
Speed |
JJ2 |
JP38 |
JP39 |
JP40 |
JP48 |
|
20MHz |
1 & 2 |
Open |
Closed |
Open |
1 & 2 |
|
25MHz |
1 & 2 |
Closed |
Closed |
Open |
1 & 2 |
|
33MHz |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
33iMHz (DX4) |
1 & 2 |
Closed |
Open |
Closed |
2 & 3 |
|
40MHz |
1 & 2 |
Open |
Closed |
Closed |
1 & 2 |
|
50iMHz |
1 & 2 |
Closed |
Closed |
Open |
1 & 2 |
|
50MHz |
1 & 2 |
Closed |
Closed |
Closed |
1 & 2 |
|
50iMHz (DX4) |
2 & 3 |
Closed |
Closed |
Open |
2 & 3 |
|
66iMHz |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU VOLTAGE CONFIGURATION | |
|
Voltage |
JP2 |
|
3.3v |
pins 2 & 3, 5 & 6 closed |
|
5.0v |
pins 1 & 2, 4 & 5 closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP46 |
|
<= 33MHz |
pins 2 & 3 closed |
|
> 33MHz |
pins 1 & 2 closed |