ADVANCED MICROCOMPUTER SYSTEMS, INC.
EPP-1
|
Card Type |
Multi I/O |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Serial port(2), parallel port |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Serial port 2 |
CN3 |
|
Parallel port |
CN2 | ||
|
PARALLEL PORT INTERRUPT | |||||||||||
|
IRQ |
H1/A |
H1/B |
H1/C |
H1/D |
H1/E |
H1/F |
H1/G |
H1/H |
H1/I |
H1/J |
H1/K |
|
2 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
3 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
4 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
5 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
6 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
|
7 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
|
10 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
|
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
|
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
|
14 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
|
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
|
Note: Interrupt settings for H1 Shown. H2, and H3 use identical configurations. H1 affects Parallel port 1, H2 affects serial port 1 and H3 affects serial port 2. | |||||||||||
|
SERIAL PORT 1 ADDRESS SELECT | ||
|
Address |
H6/A |
H6/B |
|
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
COM3 (3E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
SERIAL PORT 2 ADDRESS SELECT | ||
|
Address |
H7/A |
H7/B |
|
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM3 (3F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
COM4 (2E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
PARALLEL PORT ADDRESS SELECT | ||
|
Address |
H4/A |
H4/B |
|
278h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
378h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
N/A |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
PARALLEL PORT MODE SELECT | ||
|
Mode |
H5/A |
H5/B |
|
Normal |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
EPP |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
ECP |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
EPP & ECP |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
