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1.2
SYSTEM UNIT
Figure 1-2 shows the T1000LE's system block diagram.
Optional
CPU
Intelligent
DC I
N
RAM
r - -
80C86-2
power supply
<
1/2/4/8MB
OSC
Standard
500KHz
RAM
I---
DC
1MB
(+5,+12,-9,-22V)
Speaker
OSC
I---
Memory and bus
W
19.09MHz
controller G.A.
~
(SlECP3-GA)
KBC
80C49
2.5" HDD
r-1
LCD
I
I/O controller
-
CG-ROM
G .A.
128KB
Backup
(SlEI01-GA)
~
RAM
16KB
V-RAM
OSC
32KB
17.5MHz
OSC
RTC
PRT/FDD
J
32.7KHz
BIOS ROM
SI
-1
3 . 5 " FDD
48KB
' - - -
PIT
-1
VFO
t-
FDC
OSC
DMAC
24MHz
PIC
UART
-1
COMMS
I
Expansion
OSC
bus connector
14.75MHz
Figure 1-2 Block Diagram
1-4
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