EVEREX SYSTEMS, INC.
3000B 386/16/20 (EV-1864)
Processor |
80386SX |
Processor Speed |
20MHz |
Chip Set |
C & T |
Max. onboard DRAM |
8MB |
Cache |
None |
BIOS |
AMI |
Dimensions |
355mm x 304mm |
I/O Options |
None |
NPU Options |
80387SX |
CONNECTIONS | |
Purpose |
Location |
External battery |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Factory configured - do not alter |
W1 |
Closed |
» |
8-bit-select 5 wait state |
W2 |
pins 2 & 3 closed |
8-bit-select 4 wait state |
W2 |
pins 1 & 2 closed | |
» |
CPU speed select normal |
W3 |
pins 2 & 3 closed |
CPU speed select high |
W3 |
Open | |
CPU speed select low |
W3 |
pins 1 & 2 closed | |
» |
16-bit select 2 wait state |
W5 |
pins 1 & 2 closed |
16-bit select 1 wait state |
W5 |
pins 2 & 3 closed | |
» |
Factory configured - do not alter |
W7 |
Open |
» |
Factory configured - do not alter |
W8 |
Closed |
» |
Monitor type select color |
W9 |
pins 1 & 2 closed |
Monitor type select monochrome |
W9 |
pins 2 & 3 closed | |
Note:Exact location of W1 & W8 is unknown. |
DRAM CONFIGURATION | ||||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
W4 |
W6 |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
pins 1 & 2 |
pins 1 & 2 |
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
pins 1 & 2 |
pins 1 & 2 |
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
pins 2 & 3 |
pins 2 & 3 |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
pins 2 & 3 |
pins 2 & 3 |
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
pins 2 & 3 |
pins 2 & 3 |
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
pins 2 & 3 |
pins 2 & 3 |
Note:Pins designated should be in the closed position. |