Toshiba T1900 Series - Page 156

Table B-1 FATSU· Upper System Board ICs and Connectors (front)
Mark
Number
Name
(A)
IC2
System Controller Gate Array
(B) IC12
Clock Generator
(C) IC1S
Keyboard Controller
(D) ICi8 Display Controller
(E) PJ1
Optional Memory card Connector
(F)
PJ2 RTC Battery Connector
(G) PJ3
MouseIKB Connector
(H) PJ4 Keyboard Connector
(I)
PJ7,8 LCD Connector
Table B-2 FATSU· Upper System Board ICs and Connectors (back)
Mark Number Name
(A) IC1 CPU80486SX
(B)
lC4to7,
IC8to ii, System Memory
IC54to61
(C) IC14 Real Time Clock
(D)
IC20,21 Video Memory
(E)
PJ5
Power Supply Interface Connector
(F) PJ10 Joint Connector
(G)
PJ9 CRT Connector
B-3