IBM CORPORATION
EASY OPTIONS PROFESSIONAL AUDIO CARD AC523, EASY OPTIONS SOUND CARD CD651
Card Type | Sound card |
Chip Set | Unidentified |
Maximum Onboard Memory | N/A |
I/O Options | Audio extension connector, CD-ROM audio, CD-ROM interface, game/MIDI port, line in, microphone in, MIDI extension connector, PC speaker, speaker out, volume |
Data Bus | 16-bit ISA |
Floppy drives supported | N/A |
CONNECTIONS | |||
Function | Label | Function | Label |
Game/MIDI port | CN1 | MIDI extension connector | CN6 |
Audio extension connector | CN2 | Line in | J1 |
CD-ROM interface | CN3 | Mic in | J2 |
PC speaker | CN4 | Speaker out | J3 |
CD - audio in | CN5 | Volume | VR1 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Game port enabled | JYEN | Closed |
Game port disabled | JYEN | Open | |
» | MIDI base address is 330h | MSEL | Closed |
MIDI base address is 300h | MSEL | Open |
AUDIO BASE I/O ADDRESS SELECTION | |||
Address | IOS0 | IOS1 | |
» | 220h | Closed | Closed |
240h | Open | Closed | |
260h | Closed | Open | |
280h | Open | Open |
INTERRUPT SELECTION | |||
IRQ | IS0 | IS1 | |
2/9 | Closed | Closed | |
» | 5 | Open | Closed |
7 | Closed | Open | |
10 | Open | Open |
8-BIT DMA CHANNEL SELECTION | |||
Channel | DAS0 | DAS1 | |
0 | Closed | Closed | |
» | 1 | Open | Closed |
3 | Closed | Open |
16-BIT DMA CHANNEL SELECTION | |||
Channel | DBS0 | DBS1 | |
» | 5 | Closed | Closed |
6 | Open | Closed | |
7 | Closed | Open |
AUDIO INTERNAL AMPLIFIER CONFIGURATION | |||
Setting | OPSL | OPSR | |
Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed | |
» | Enabled | Pins 2 & 3 closed | Pins 2 & 3 closed |