INTEL CORPORATION
CLASSIC/PCI EXPANDABLE DESKTOP
(I486 PROCESSOR/PCI)
|
Processor |
80486SX/SL80486SX/80486SX2/SL80486DX/80486DX2/SL80486DX2/ 80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)/100(internal)MHz |
|
Chip Set |
Intel |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Parallel port, serial ports (2), 32-bit PCI slots (3), floppy drive interface, IDE interface |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
IDE interface LED |
JP1 pins 10 - 13 |
|
Serial port 2 |
CN2 |
Turbo LED |
JP1 pins 16 - 17 |
|
IDE interface |
CN3 |
Chassis fan power |
JP2 pins 6 - 8 |
|
Parallel port |
CN4 |
Speaker |
JP2 pins 10 - 14 |
|
Floppy drive interface |
CN5 |
Turbo switch |
JP2 pins 16 - 17 |
|
Reset switch |
JP1 pins 1 & 2 |
32-bit PCI slots |
PC1 - PC3 |
|
Power LED & keylock |
JP1 pins 4 - 8 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
J1C1 |
N/A |
|
|
Pentium Overdrive cache disabled |
J1C2 |
pins 1 & 2 closed |
|
Pentium Overdrive cache enabled |
J1C2 |
pins 2 & 3 closed | |
|
|
CPU type select SL-enhanced CPU installed |
J1C3 |
pins 1 & 2 closed |
|
CPU type select non SL-enhanced CPU installed |
J1C3 |
pins 2 & 3 closed | |
|
|
CPU type select non 80486SX CPU installed |
J1C4 |
pins 1 & 2 closed |
|
CPU type select 80486SX CPU installed |
J1C4 |
pins 2 & 3 closed | |
|
|
Password normal operation |
J9D1 |
pins 1 & 2 closed |
|
Password clear |
J9D1 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
J9D2 |
N/A |
|
|
CMOS memory normal operation |
J9E1 |
pins 1 & 2 closed |
|
CMOS memory clear |
J9E1 |
pins 2 & 3 closed | |
|
|
Setup access enabled |
J9E2 |
pins 1 & 2 closed |
|
Setup access disabled |
J9E2 |
pins 2 & 3 closed | |
|
|
Flash BIOS write protect enabled |
J9E3 |
pins 1 & 2 closed |
|
Flash BIOS write protect disabled |
J9E3 |
pins 2 & 3 closed | |
|
|
Normal boot enabled |
J9E4 |
pins 1 & 2 closed |
|
Recovery boot enabled |
J9E4 |
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 |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
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 |
(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 |
|
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 |
TAG |
U1 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 32K x 8 |
(1) 16K x 1 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 1 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
J8A1 |
J8A2 |
|
128KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
J1E1 |
J1E2 |
|
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 1 & 2 closed |
pins 1 & 2 closed |
|
CPU VOLTAGE CONFIGURATION | ||||
|
Voltage |
J2A1 |
J2A2 |
J2A3 |
J2A4 |
|
3.3v |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
5v |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |