EVEREX SYSTEMS, INC.
AGI 4000A EV-1895
|
Processor |
80486DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
16MB |
|
SRAM Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
350mm x 320mm |
|
I/O Options |
32-bit external memory card |
|
NPU Options |
4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Front panel connector |
J4 |
32-bit memory card |
S1 |
|
Speaker |
J5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
W1 |
Open | |
|
Factory configured - do not alter |
W7 |
Unknown | |
|
CPU speed select High |
W6 |
Open | |
|
CPU speed select normal |
W6 |
pins 1 & 2 closed | |
|
CPU speed select switchable via the keyboard |
W6 |
pins 2 & 3 closed | |
|
Monitor type select color |
W7 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
W7 |
pins 2 & 3 closed | |
|
Speaker select enabled |
W20 |
Closed | |
|
Speaker select disabled |
W20 |
Open | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
W8 |
W9 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
pins 2 & 3 |
pins 2 & 3 |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
pins 2 & 3 |
pins 2 & 3 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
NONE |
pins 1 & 2 |
pins 1 & 2 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
pins 1 & 2 |
pins 1 & 2 |
|
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
pins 1 & 2 |
pins 1 & 2 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
pins 1 & 2 |
pins 1 & 2 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:10, 12 and 16MB configurations require the installation of the EV-1896 memory card. Pins designated should be in the closed position. | ||||||
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/switch 1 |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 |
|
1MB |
On |
Off |
On |
On |
|
2MB |
Off |
Off |
On |
Off |
|
4MB |
On |
On |
On |
On |
|
8MB |
Off |
Off |
On |
Off |
|
10MB |
Off |
On |
On |
On |
|
12MB |
Off |
On |
Off |
On |
|
16MB |
Off |
On |
Off |
Off |
|
CACHE CONFIGURATION | ||
|
Size |
Cache |
TAG |
|
64KB |
(10) 16K x 4 |
(1) 16K x 1 |
|
256KB |
(10) 64K x 4 |
(1) 64K x 1 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W2 |
W3 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |