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

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.