FREE COMPUTER TECHNOLOGY, INC.
80486EISA (VERSION 1.0)
Processor |
80486DX |
Processor Speed |
25/33MHz |
Chip Set |
Intel |
Max. Onboard DRAM |
64MB |
SRAM Cache |
64/256KB |
BIOS |
Award |
Dimensions |
355.6mm x 304.8mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
Reset switch |
W1 |
Power LED & keylock |
W5 |
Turbo LED |
W2 |
Speaker |
W6 |
Turbo switch |
W3 |
External battery |
W10 |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
Cache select 64KB |
W8 W9 W11 |
pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed |
» |
Cache select 256KB |
W8 W9 W11 |
pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 closed |
SRAM CONFIGURATION |
|
Size |
Cache SRAM |
64KB |
(8) 8K x 8 |
256KB |
(8) 32K x 8 |
DRAM SWITCH CONFIGURATION |
|||||
Size |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 |
SW1/switch 5 |
1MB |
open |
open |
open |
open |
open |
2MB |
closed |
open |
open |
open |
open |
3MB |
open |
closed |
open |
open |
open |
4MB |
closed |
closed |
open |
open |
open |
4MB |
open |
open |
closed |
open |
open |
5MB |
open |
open |
closed |
closed |
open |
6MB |
open |
closed |
open |
closed |
open |
7MB |
closed |
open |
open |
closed |
open |
8MB |
closed |
open |
closed |
open |
open |
9MB |
open |
closed |
closed |
closed |
open |
10MB |
closed |
closed |
open |
closed |
open |
12MB |
open |
closed |
closed |
open |
open |
13MB |
closed |
closed |
closed |
closed |
open |
16MB |
closed |
closed |
closed |
open |
open |
16MB |
open |
open |
open |
open |
closed |
32MB |
open |
open |
closed |
open |
closed |
48MB |
open |
open |
open |
closed |
closed |
64MB |
open |
open |
closed |
closed |
closed |
DRAM CONFIGURATION |
||||
Size |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
4MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
NONE |
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
9MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
10MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
13MB |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
NONE |
NONE |
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
NONE |
48MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
NONE |
64MB |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |
(4) 4M x 9 |