Toshiba T2000 Maintenance Manual page 147

Table A-1 ICs on the system board FA2SYx
Callout Number
(A) IC2
(B) IC3
(C) IC4
(D) IC1
(E) IC6, 7
(F) IC9
(G) IC8
(H) IC46
(I) IC11
(J) IC24
(K) IC25
(L) IC30
(M) IC31, 32
(N) IC10
(O) IC5
(P) IC16, 54
(Q) IC17, 18
(R) IC22, 23
(S) IC707
(T) IC704
(U) IC705
(V) IC708
(W) IC709
Name
CPU: Central Processing Unit (80C286-12)
NDP: Numeric Data Processor (80C287-12)
GA-SYS CNT: System Control Gate Array
GA-REF CNT: Refresh Control Gate Array
System RAM
BIOS ROM
Backup RAM
RTC: Real Time Clock
SI: Super Integration T9778A
KBIC: Keyboard Interface Controller 80C42
KBSC: Keyboard Scan Controller 80C50
PVGA1F
Video RAM
GA-I/O CNT: I/O Controller Gate Array
GA-I/O DEC: I/O Decoder Gate Array
FDD Interface Driver
PRT Interface Driver
RS-232-C Interface Driver
Power Supply Microprocessor (U47C660S)
Regulator
Backup Power Controller (L1025)
Power Supply Driver (L1600)
Switching Regulator (L1451)
App-7