EVEREX SYSTEMS, INC.
EV-125
|
Card Type |
Multi I/O card |
|
Chipset/Controller |
N/A |
|
I/O Options |
Game port, parallel port, serial port (2). |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose
|
Location
|
Purpose
|
Location
|
|
Game port |
J1 |
Serial port B |
J3 |
|
Parallel port |
J2 |
Serial port A |
J4 |
|
SERIAL PORT ORDER SELECTION | |
|
Port Order |
W5/1 & 2 |
|
AB |
Jumpered vertically |
|
BA |
Jumpered horizontally |
|
BASE MEMORY SELECTION | ||
|
Memory |
W3 |
W1/6 |
|
256KB |
Pins 1 & 2, 4 & 5 closed |
On |
|
512KB |
Pins 2 & 3, 4 & 5 closed |
Off |
|
640KB |
Pins 2 & 3, 5 & 6 closed |
Off |
|
ADDED MEMORY CONFIGURATION | |||||
|
Memory |
W1/1 |
W1/2 |
W1/3 |
W1/4 |
W1/5 |
|
512KB |
On |
On |
Off |
On |
On |
|
1MB |
On |
Off |
On |
On |
On |
|
1.5MB |
On |
On |
Off |
On |
On |
|
2MB |
Off |
On |
On |
On |
On |
|
EXISTING MEMORY CONFIGURATION | ||||
|
Memory |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
0-1MB |
On |
On |
On |
Off |
|
1-2MB |
On |
On |
Off |
On |
|
2-3MB |
On |
On |
Off |
Off |
|
3-4MB |
On |
Off |
On |
On |
|
4-5MB |
On |
Off |
On |
Off |
|
5-6MB |
On |
Off |
Off |
On |
|
6-7MB |
On |
Off |
Off |
Off |
|
7-8MB |
Off |
On |
On |
On |
|
8-9MB |
Off |
On |
On |
Off |
|
9-10MB |
Off |
On |
Off |
On |
|
10-11MB |
Off |
On |
Off |
Off |
|
11-12MB |
Off |
Off |
On |
On |
|
12-13MB |
Off |
Off |
On |
Off |
|
13-14MB |
Off |
Off |
Off |
On |
|
14-15MB |
Off |
Off |
Off |
Off |
|
EXTENDED MEMORY FRACTION SELECTION | |||
|
Memory |
SW1/5 |
SW1/6 |
SW1/7 |
|
0KB |
On |
On |
On |
|
128KB |
On |
On |
Off |
|
256KB |
On |
Off |
On |
|
384KB |
On |
Off |
Off |
|
512KB |
Off |
On |
On |
|
640KB |
Off |
On |
Off |
|
768KB |
Off |
Off |
On |
|
996KB |
Off |
Off |
Off |
|
BASE MEMORY BACKFILL CONFIGURATION | |
|
Status |
SW1/8 |
|
Backfill |
On |
|
No backfill |
Off |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
W5/3, 4, 5, 6, 7, 8, & 9 |
N/A |
|
W7 |
Pins 1 & 2 closed |
|
W8 |
Pins 2 & 3 closed |
|
W9 |
Pins 1 & 2, 4 & 5 closed |
|
W10 |
N/A |
|
W11 |
All Pins closed |
|
W13 |
All Pins closed |
|
W15 |
Pins 2 & 3 closed |
|
W18 |
Pins 1 & 2 closed |
|
W20/A |
Open |
|
W20/B |
Pins 2 & 3 closed |
|
W20/C |
Pins 1 & 2 closed |
|
W20/D |
Open |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(18) 4464 |
None |
None |
None |
|
1MB |
(18) 4464 |
(18) 4464 |
None |
None |
|
1.5MB |
(18) 4464 |
(18) 4464 |
(18) 4464 |
None |
|
2.0MB |
(18) 4464 |
(18) 4464 |
(18) 4464 |
(18) 4464 |