EVEREX SYSTEMS, INC.
3000B 80386SX-20
|
Processor |
80386SX |
|
Processor Speed |
20MHz |
|
Chip Set |
Suntac |
|
Max. Onboard DRAM |
8MB |
|
Cache |
64KB |
|
BIOS |
AMI |
|
Dimensions |
355mm x 304mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Front panel display |
J1 |
External battery |
J4 |
|
Speaker |
J2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Factory configured - do not alter |
J6 |
N/A | |
|
Factory configured - do not alter |
W7 |
Open | |
|
Factory configured - do not alter |
W8 |
Closed | |
|
I/O bus (8-bit) speed select 5 wait states |
W2 |
pins 1 & 2 closed | |
|
I/O bus (8-bit) speed select 4 wait states |
W2 |
pins 2 & 3 closed | |
|
Power on speed select fast/switchable from keyboard |
W3 |
pins 2 & 3 closed | |
|
Power on speed select slow |
W3 |
pins 1 & 2 closed | |
|
Power on speed select fast |
W3 |
Open | |
|
I/O bus (16-bit) speed select 2 wait states |
W5 |
pins 2 & 3 closed | |
|
I/O bus (16-bit) speed select 1 wait states |
W5 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
W9 |
Closed | |
|
Monitor type select color |
W9 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
1MB |
On |
On |
On |
On |
|
2MB |
On |
On |
On |
Off |
|
2MB |
On |
Off |
Off |
On |
|
4MB |
On |
Off |
On |
Off |
|
6MB |
On |
Off |
Off |
Off |
|
8MB |
Off |
Off |
Off |
Off |
|
DRAM JUMPER CONFIGURATION | ||
|
Size |
W4 |
W6 |
|
1MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
2MB |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
2MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
4MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
6MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
8MB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
SRAM CONFIGURATION | |
|
Size |
Bank 3 |
|
64KB |
(9) 64K x 1 |
|
Notes:Cache location & chip sizes are unidentified. | |