DATAEXPERT CORPORATION
EISA 486WB
|
Processor |
80486SX/80486DX/ODP486SX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
SRAM Cache |
64/128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330.2mm x 218.4mm |
|
I/O Options |
None |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
J5 |
|
Speaker |
J2 |
Turbo LED |
J6 |
|
Reset switch |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
JP13 |
closed | |
|
Monitor type select monochrome |
JP13 |
open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
SRAM JUMPER CONFIGURATION | ||||
|
Jumper |
64KB |
128KB |
256KB |
512KB |
|
JP4 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
JP5 |
open |
open |
closed |
closed |
|
JP6 |
open |
open |
open |
closed |
|
JP7 |
open |
closed |
closed |
closed |
|
JP8 |
open |
closed |
closed |
closed |
|
JP9 |
open |
open |
closed |
closed |
|
JP10 |
open |
open |
open |
closed |
|
SRAM CONFIGURATION | |||||
|
Size |
Cache SRAM |
Location |
TAG (U15) |
TAG (U16) |
TAG (U17 & 18) |
|
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
NONE |
(1) 64K x 1 |
|
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
NONE |
(1) 64K x 1 |
|
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
(1) 8K x 8 |
(1) 64K x 1 |
|
512KB |
(4) 128K x 8 |
Bank 0 |
(1) 32K x 8 |
NONE |
(1) 64K x 1 |
|
CPU JUMPER CONFIGURATION | ||||
|
CPU |
Jumper JP1 |
Jumper JP2 |
Jumper JP3 |
JP15 |
|
ODP486SX |
pins 1 & 2 and 3 & 4 closed |
open |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486DX |
pins 1 & 2 and 3 & 4 closed |
open |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486SX |
pins 2 & 3 closed |
closed |
open |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
Jumper JP11 |
Jumper JP12 |
JP14 |
|
25MHz |
open |
open |
pins 2 & 3 closed |
|
33MHz |
open |
closed |
pins 2 & 3 closed |
|
50MHz |
closed |
closed |
pins 1 & 2 closed |