Toshiba T4500 User Manual page 176

Table B-1 T4500/T4500C ICs and Connectors on the System PCB - Front
Callout Number
(A) IC 1
(B) IC 3 to IC 10
(C) IC 13
(D) IC 22
(E) IC 29
(F) IC 35
(G) IC 44, IC 45
(H) PJ 8
(I) PJ 14
(J) PJ 15
(K) PJ 18
Table B-2 T4500/T4500C ICs and Connectors on the System PCB - Back
Callout Number
(A) IC 2
(B) IC 11
(C) IC 15, IC 36
(D) IC 25 to IC 27
(E) IC 30
(F) IC 32
(G) IC 37 to IC 40
(H) IC 46
(I) IC 49
(J) PJ 1
(K) PJ 2
(L) PJ 4
(M) PJ 5
(N) PJ 6
(O) PJ 7
(P) PJ 10
(Q) PJ 11
(R) PJ 12
(S) PJ 13, PJ 17
(T) PJ 16
Description
Central Processing Unit (CPU)
System RAM
Super Integration T9901
Real Timer Clock (RTC)
Sub LCD Gate Array
VGA Controller (WD90C26A)
Monochrome Panel Interface Driver
Power Supply Board Connector
Back Panel Connector
Expansion Bus Connector
CRT Interface Connector
Description
System Controller Gate Array
BIOS ROM
Clock Generator
Serial Interface Driver
Keyboard Controller
ICCNT Gate Array
Video RAM
CRT Interface Controller
Speaker Driver
Memory Card Connector
RTC Battery Connector
FDD Connector
HDD/DCBP/Speaker Connector
FL Inverter Connector
Backup Battery Connector
Display Sensor Switch Connector
Status Indicator Panel Interface Connector
Keyboard Interface Connector
Display Connector
PCMCIA Connector
B-3