
80486EISA (VERSION 1.0)
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 
