FREE COMPUTER TECHNOLOGY, INC.
80486PCI REV. 1
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI bus slots (4) |
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 PCI bus slots |
PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Cache enabled |
JP4 |
pins 2 & 3 closed |
Cache disabled |
JP4 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
10MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
18MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
34MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
48MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
66MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
66MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
68MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
68MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
72MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
512KB |
(1) 128K x 8 |
NONE |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP2 |
JP3 |
JP12 |
JP13 |
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
Open |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
Open |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
Closed |
CPU TYPE CONFIGURATION | |||
Type |
JP14 |
JP15 |
JP16 |
80486SX |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
80487SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
ODP486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
80486DX/DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2, 3 & 4 closed |
Pentium Overdrive |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2, 3 & 4 closed |
CPU SPEED CONFIGURATION | |||
Speed |
JP5 |
JP10 |
JP11 |
25MHz |
pins 1 & 2 closed |
Open |
Closed |
33MHz |
pins 2 & 3 closed |
Closed |
Open |
50iMHz |
pins 1 & 2 closed |
Open |
Closed |
66iMHz |
pins 2 & 3 closed |
Closed |
Open |
PCI IRQ14 CONFIGURATION | ||
Setting |
JP27 |
JP28 |
ISA IDE |
pins 2 & 3 closed |
Closed |
PCI IDE (edge trigger) |
pins 4 & 5 closed |
Open |
PCI IDE (level trigger) |
pins 1 & 2 closed |
Open |