MECER CORPORATION
B-301 (REV. B)
Card Type |
Sound card |
Chipset Controller |
ES488 |
I/O Options |
CD audio in, CD-ROM interface (2), line in, line out, microphone in (2), speaker out, volume |
Maximum DRAM |
N/A |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker out |
J1 |
Mistumi CD-ROM interface |
JP105 |
Microphone in |
J2 |
CD audio in |
JP109 |
Line in |
J3 |
External control (see table below) |
JP110 |
Panasonic CD-ROM interface |
J7 |
Sound output (left) |
JP112 |
External microphone in |
JP101 |
Volume |
VR |
Sound output |
JP102 |
EXTERNAL CONTROL CONNECTION/ JP110 | |
Purpose |
Location |
Active low/read, port 201h |
Pin 1 |
External microphone in |
Pin 2 |
Active low/write, port 201h |
Pin 3 |
FM output |
Pin 4 |
Sound out (left) |
Pin 5 |
Ground |
Pin 6 |
INTERRUPT SELECTION | ||
IRQ |
JP1 | |
» |
7 |
Pins 1 & 2 closed |
2 |
Pins 7 & 8 closed | |
3 |
Pins 5 & 6 closed | |
5 |
Pins 3 & 4 closed |
BASE I/O ADDRESS SELECTION | ||
Address |
JP4 | |
» |
220h |
Pins 3 & 7, 4 & 8 closed |
240h |
Pins 1 & 5, 2 & 6 closed |
DMA SELECTION | |||
Channel |
JP2 |
JP3 | |
» |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
3 |
Pins 3 & 4 closed |
Pins 3 & 4 closed |
CD ROM TYPE SELECTION | ||
Type |
J6 | |
» |
Panasonic |
Pins 1 & 2 closed |
Mitsumi |
Pins 2 & 3 closed |
CD-ROM CONFIGURATION | ||
Setting |
JCP2 | |
» |
Enabled |
Closed |
Disabled |
Open |
CD ROM ADDRESS SELECTION | ||
Address |
JCP1 | |
» |
300h |
Closed |
340h |
Open |