IBM CORPORATION
APTIVA 2158 SL-A
| Device Type | Mainboard |
| Processor | AM K6-2 |
| Processor Speed | 333/350MHz |
| Chip Set | Unidentified |
| Video Chip Set | Unidentified |
| Maximum Onboard Memory | 256MB (SDRAM supported) |
| Maximum Video Memory | 8MB |
| Cache | 512KB |
| BIOS | Unidentified |
| Dimensions | Unidentified |
| I/O Options | 32-bit PCI slots (3), ATI multimedia connector, ATX power connector, audio in - CD/DVD, floppy drive interface, game/MIDI port, IDE interfaces (2), IR connector, line in, line out, microphone in, modem voice line-in, parallel port, PS/2 mouse port, serial port, USB ports (2), VGA video port, Wake-on-LAN connector, Wake-on-modem connector |

CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
| USB port 1 | CN1 | Wake-on-LAN connector | CN7 |
| USB port 2 | CN1/A | Wake-on-modem connector | CN8 |
| Power LED | CN2/Pins 1 - 3 | IDE interface 2 | CN9 |
| IDE interface LED | CN2/Pins 4 - 7 | IDE interface 1 | CN10 |
| Reset switch | CN2/Pins 8 & 9 | Floppy drive interface | CN11 |
| Power switch | CN2/Pins 10 & 20 | Game/MIDI port | CN12 |
| IR connector (reserved) | CN2/Pins 14 - 19 | Line out | CN12/A |
| Turbo LED connector (reserved) | CN2/Pins 11 - 13 | Line in | CN12/B |
| ATX power connector | CN3 | Microphone in | CN12/C |
| PS/2 mouse port | CN4 | Modem voice line-in | CN13 |
| ATI multimedia connector | CN5 | Audio in - CD/DVD | CN15 |
| Parallel port | CN6 | CPU fan power | FN3 |
| VGA video port | CN6/A | 32-bit PCI slots | PC1 - PC3 |
| Serial port | CN6/B | ||
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
» |
VGA interrupt disabled | JP1 | Pins 1 & 2 closed |
| VGA interrupt enabled | JP1 | Pins 2 & 3 closed | |
» |
Wake-on LAN signal trigger level active high | JP2 | Pins 2 & 3 closed |
| Wake-on LAN signal trigger level active low | JP2 | Pins 1 & 2 closed | |
| » | Floppy drive LED disabled | JP3 | Pins 2 & 3 closed |
| Floppy drive LED enabled | JP3 | Pins 1 & 2 closed | |
| » | Factory configured - do not alter | SW1/1 | Unidentified |
| » | Factory configured - do not alter | SW2/1 | Unidentified |
| DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
16MB |
(1) 2M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
32MB |
(1) 4M x 64 |
None |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
64MB |
(1) 8M x 64 |
None |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
128MB |
(1) 16M x 64 |
None |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
| Note: PC-100 DIMM (SDRAM) modules are supported. | ||
AUDIO AMPLIFICATION SELECTION |
|||
Setting |
JP5 |
JPX1 |
|
| » | Amplified audio line-out signal type | Pins 3 & 5, 4 & 6 closed | Pins 3 & 5, 4 & 6 closed |
| Audio line-out signal type | Pins 1 & 3, 2 & 4 closed | Pins 1 & 3, 2 & 4 closed | |
CPU SPEED SELECTION (AM K6-2) |
|||||||
CPU speed |
Clock speed |
Multiplier |
SW1/2 | SW1/3 | SW1/4 | SW2/3 | SW2/4 |
| 333MHz | 95MHz | 3.5x | On | Off | Off | Off | On |
| 350MHz | 100MHz | 3.5x | Off | Off | Off | On | On |
CPU SPEED SELECTION (AM K6-2) CONTINUED |
|||||
CPU speed |
Clock speed |
Multiplier |
SW3/1 | SW3/2 | SW3/3 |
| 333MHz | 95MHz | 3.5x | Off | Off | Off |
| 350MHz | 100MHz | 3.5x | Off | Off | Off |
PASSWORD SELECTION |
||
Setting |
SW2/2 |
|
| » | Check | On |
| Bypass | Off | |
CPU CORE VOLTAGE SELECTION |
||||||
Setting |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 | SW3/8 | |
| » | 2.2V | Off | Off | Off | On | Off |
| 2.3V | Off | Off | Off | On | On | |
| 2.4V | Off | Off | On | Off | Off | |
| 2.8V | Off | On | Off | Off | Off | |
| 2.9V | Off | On | Off | Off | On | |
| 3.2V | Off | On | On | Off | Off | |
| 3.3V | Off | On | On | Off | On | |
CACHE CONFIGURATION |
| Note: 512KB cache is fixed onboard. |