JAMECO ELECTRONIC COMPONENTS
JE1078
|
Card Type |
Multi I/O card |
|
Chipset/Controller |
Unidentified |
|
I/O Options |
Game port, memory, parallel port, serial port |
|
Maximum DRAM |
384KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port |
J1 |
Game port |
J3 |
|
Parallel port |
J2 | ||
|
SERIAL PORT CONFIGURATION | ||
|
Port 1 (J1) |
JP2 | |
|
COM1 |
Pins 2 & 3 closed | |
|
COM2 |
Pins 1 & 2 closed | |
|
SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION | ||
|
Port 1 |
JP4 | |
|
Normal |
Pins 1 & 4, 2 & 5, 3 & 6 closed | |
|
Forced True |
Pins 4 & 7, 5 & 8, 6 & 9 closed | |
|
SERIAL PORT INTERRUPT SELECTION | ||
|
Port 1 |
JP1 | |
|
IRQ4 |
Pins 3 & 4 closed | |
|
IRQ3 |
Pins 2 & 4 closed | |
|
PARALLEL PORT CONFIGURATION | ||||
|
LPT |
IRQ7 |
JP1/Pins 13 & 14 |
JP2 | |
|
1 |
Enabled |
Closed |
Pins 5 & 6 closed | |
|
2 |
Disabled |
Open |
Pins 4 & 5 closed | |
|
CLOCK/CALENDAR CONFIGURATION | |||
|
Select |
I/O Port Address |
JP2 | |
|
Clock 2 |
2C0h - 2DFh |
Pins 7 & 8 closed | |
|
Clock 1 |
340h - 35Fh |
Pins 8 & 9 closed | |
|
Disabled |
N/A |
Open | |
|
CLOCK/CALENDAR INTERRUPT SELECTION | |
|
IRQ |
JP1 |
|
4 |
Pins 5 & 6 closed |
|
5 |
Pins 7 & 8 closed |
|
7 |
Pins 9 & 10 closed |
|
2 |
Pins 11 & 12 closed |
|
DRAM CONFIGURATION | |||||||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
Bank 4 |
Bank 5 |
SW1/4 |
SW1/5 |
SW1/6 |
|
64KB |
(9) 4164 |
None |
None |
None |
None |
None |
Off |
Off |
Off |
|
128KB |
(9) 4164 |
(9) 4164 |
None |
None |
None |
None |
Off |
Off |
On |
|
192KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
None |
None |
None |
Off |
On |
Off |
|
256KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
None |
None |
On |
Off |
Off |
|
320KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
None |
On |
Off |
On |
|
384KB |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
(9) 4164 |
On |
On |
Off |
|
STARTING MEMORY ADDRESS CONFIGURATION | ||||
|
Starting Address |
Max. RAM on JE1078 |
SW1/1 |
SW1/2 |
SW1/3 |
|
0KB (:00000) |
384KB |
Off |
Off |
Off |
|
64KB (:10000) |
384KB |
Off |
Off |
On |
|
128KB (:20000) |
384KB |
Off |
On |
Off |
|
192KB (:30000) |
384KB |
Off |
On |
On |
|
256KB (:40000) |
384KB |
On |
Off |
Off |
|
320KB (:50000) |
320KB |
On |
Off |
On |
|
384KB (:60000) |
256KB |
On |
On |
Off |
|
448KB (:70000) |
192KB |
On |
On |
On |
|
PARITY CONFIGURATION | ||
|
Setting |
JP3 | |
|
Enabled |
Closed | |
|
Disabled |
Open | |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
JP5 |
N/A |