INTEL CORPORATION
CLASSIC/PCI LPX
|
Processor |
80486SX/80486SX2/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/50(internal)/66(internal)/100(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots on riser card (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse pobt, serial ports (2), VESA feature connector, VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
Turbo LED |
J2 |
|
Parallel port |
CN2 |
IDE interface LED |
J3 |
|
Serial port 2 |
CN3 |
Power LED & keylock |
J4 |
|
Serial port 1 |
CN4 |
Reset switch |
J5 |
|
PS/2 mouse port |
CN5 |
Chassis fan power |
J6 |
|
IDE interface |
CN6 |
Speaker |
J7 |
|
Floppy drive interface |
CN7 |
Turbo switch |
J8 |
|
VESA feature connector |
CN8 |
Riser Card |
SL1 |
|
Auliliary power connector |
J1 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Password enabled |
J1F3 |
pins 1 & 2 closed |
|
Password disabled |
J1F3 |
pins 2 & 3 closed | |
|
|
Monitor type select color |
J1F4 |
pins 1 & 2 closed |
|
Monitor type select monochrome |
J1F4 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
J1G1 |
pins 1 & 2 closed |
|
CMOS memory clear |
J1G1 |
pins 2 & 3 closed | |
|
|
Setup entry enabled |
J1G2 |
pins 1 & 2 closed |
|
Setup entry disabled |
J1G2 |
pins 2 & 3 closed | |
|
|
Flash BIOS write protect enabled |
J1G3 |
pins 1 & 2 closed |
|
Flash BIOS write protect disabled |
J1G3 |
pins 2 & 3 closed | |
|
|
Normal boot enabled |
J1G4 |
pins 1 & 2 closed |
|
Recovery boot enabled |
J1G4 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J4A1 |
Open |
|
|
Pentium Overdrive cache disabled |
J4A2 |
pins 1 & 2 closed |
|
Pentium Overdrive cache enabled |
J4A2 |
pins 2 & 3 closed | |
|
|
CPU type select SL-enhanced |
J5A2 |
pins 1 & 2 closed |
|
CPU type select non SL-enhanced |
J5A2 |
pins 2 & 3 closed | |
|
|
CPU type select non SX processor |
J5A3 |
pins 1 & 2 closed |
|
CPU type select SX processor |
J5A3 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
NONE |
(1) 256K x 36 |
|
1MB |
(1) 256K x 36 |
NONE |
|
2MB |
NONE |
(1) 512K x 36 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
2MB |
(1) 512K x 36 |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
|
4MB |
NONE |
(1) 1M x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
|
4MB |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
|
8MB |
NONE |
(1) 2M x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
(1) 2M x 36 |
NONE |
|
9MB |
(1) 256K x 36 |
(1) 2M x 36 |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
|
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
|
DRAM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
|
16MB |
NONE |
(1) 4M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
NONE |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
|
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
|
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
|
32MB |
NONE |
(1) 8M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
NONE |
|
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
|
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
D1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 16K x 1 |
(1) 32K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K x 1 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
J5A4 |
J5A5 |
|
128KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU VOLTAGE CONFIGURATION | ||||
|
Type |
J1A1 |
J1A2 |
J2A2 |
J2A3 |
|
5.0v |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
3.3v |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
J1F1 |
J1F2 |
|
25MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
50iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
66iMHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
100iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
VIDEO MEMORY UPGRADE CONFIGURATION | |
|
Size |
Bank 0 |
|
2MB |
(2) 256K x 16 |
|
Note: This board has 1MB factory installed. The location is unidentified. | |