Component Solution Services REC02F Manual de servicio Pagina 44

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Ultraview 1030/1050 Monitors — Service Manual
3-4
CPU PCBA
The CPU PCBA consists of a CPU subsystem that runs the system software, updates the display,
and communicates with peripheral devices through the I/O bay PCBA. The CPU PCBA contains
all the major digital components and all the major analog components.
Figure 3-3: CPU PCBA block diagram
860/PCI
bridge
PCI
25 MHz
32
NVRAM
RTC
nurse alert
SDLC
(1) RS-232
bus
32KX8
16
MM
CODEC
6.25 MHz
ISA
bus
ISA/PCI
I82371
VGA
DRAM
2@256Kx16
e-net
Xfmr
10BaseT
(21143)
(C&T 65554)
*
batt /pwr
diag
support
dma
cntr
irpt
eide
32bit
mono line in
mono line out
mono int spkr
MPC
860
scc1
scc2
scc3
scc4
smc1
smc2
i2c
T/S
cpu
int t/s
32
25 MHz
4M-8M
2M-4M
DRAM
flash
256 k
GDS RAM
K/M
CTRL
mouse
power
supply
battery
charger
wireless
Card
keyboard
internal
flash
(bi-directional
communication)
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