Toshiba 420CDT User Manual page 174

Table B-1 System board ICs and connectors (front)
Mark
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
(L)
(M)
(N)
(O)
(P)
(Q)
(R)
(S)
(T)
(U)
Table B-2 System board ICs and connectors (back)
Mark
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
420 Series
Number
IC8 System Clock
IC11 RTC Controller
IC14 BIOS ROM
IC20 Keyboard Controller
IC24 IPS Controller
PJ3 Ni-Mh RTC Battery Connector
PJ5 FDD/CD-ROM I/F Connector
PJ6 Ext. FDD Connector
PJ7 Sound HDD Connector
PJ8 ASYNC I/F Connector
PJ9 P-REP Connector
PJ10 Panel Close Sensor Connector
PJ11 Fan Connector
PJ12 Ext. Keyboard Connector
PJ13 Keyboard Connector
PJ14 LED Connector
PJ15 PC Card Slot Connector
PJ16 VGA Connector
PJ17 IrDA Board Connector
PJ18 Sound Board Power I/F Connector
PJ19 CD Audio Connector
Number
IC1 CPU
IC2 SCPCNT GA
IC3 SISCNT GA
IC4 to IC7 System Memory
IC12 SI
IC27 I/O Controller GA
IC29 PC Card Controller GA
IC514 PS Microprocessor
PJ1 Thermistor Connector
PJ2 Exp. Memory Connector
PJ4 PRT/RGB I/F Connector
Name
Name
B-3