2144/2168 Aptiva C-2 System Board Locations

On some C-2 Systemboards the POWER-Supply connector J30 is not placed as shown. (J30 Pin 1 / should be connected to the RED Powersupply wire (1=red 2=gray 3=black))

  Be sure the battery is in place and >2.88 Vdc (SYSTEMBOARD will not work - system is w/o any function !)

2144/2168 Aptiva C-2 System Board

J1 Keyboard
J2 Mouse
J3 Serial Port (Comm A)
J4 Serial Port (Comm B)
J5 Parallel Port
J6 Display
J7 Diskette
J8 Power
J9 Hard Disk Drive Local Bus IDE
(Factory inst. HD1 / HD2)

J10 Hard Disk Drive AT IDE
(HD3 or CD-ROM / HD4)

J11 Riser Card-ISA AT BUS only
J14 VESA Video feature connector
J15 Video Disable (normal 1-2)
J16 J17 Cache Jumper

J19 RAM 72-Pin Memory SIMM Bank-3
J20 RAM 72-Pin Memory SIMM Bank-2
J21 RAM 72-Pin Memory SIMM Bank-1
J22 RAM 72-Pin Memory SIMM Bank-0
Click here > 2144/2168 Memory Bank sel.

J23 J24 Processor Jumper
J26 LED Conn. Power 1-2 / HD 3-4
J27 Speaker 1-2 enable / open disable
J29 Power Supply 2-Pin (on/off SW)
J30 Power Supply 3-Pin
J34 Riser Connector-VESA local Bus
J35 J36 J37 Processor Speed Jumpers
J38 Cache Jumper
JP3 JP4 VESA local bus jumpers
(VESA 1-2, PCI 2-3)
JP5 Modem Wake Up on Ring Connector

JP7 VESA local bus connector
JP13 VESA local bus jumper
JP14 Password Clear (normal 1-2/clear 2-3)

U6 486SX, 486SX2, 486DX, 486DX2
486 OverDrive / Pentium® ODP Processor

U22 System BIOS
U46 Video Controller

Type C-2 Processor Jumper Settings

Processor J23 J24
486SX 1-2  
486SX2 486DX 486DX2 2-3  
487SX 486ODP 2-3 1-2

Type C-2 Processor Speed Settings

Speed J35 J36 J37
25 or 50 MHz   1-2 1-2
33 or 66 MHz   1-2  

Cache Memory Jumper Settings

KB Cache J16 J17 J38 Tag RAM Cache RAM
128KB 2-3     8 KB x 8 15 ns 4-32 KB x 8/20 ns
256KB 1-2 1-2   32 KB x 8/15 ns 8-32 KB x 8/20 ns

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