CHAPTER 5. CIRCUIT DESCRIPTION
1.
1-1. CPU
Pentium Processor:
A80502CSLM66133SY028
•
External Bus Interface:
66MHz
•
L1 cache:
8K Code & 8K Data (Writeback) cache
•
64-Bit Data Bus
1-2. Chipset
FireStar Plus:
82C700U3.2
•
PCI Bus:
•
DRAM controller
(FPM, EDO or SDRAM):
FPM or EDO supported
•
ISA Bus:
AT Clock = 8.33MHz
•
Bus Mastering IDE:
Primary IDE supported, Not Secondary
•
Thermal Management:
Not used
•
Unified Memory Management (UMA):
•
DMA controller:
8237A
×
2
•
Interval Timer:
8254
•
Interrupt controller:
8259
×
2
1-3. PS/2 Keyboard Controller
KBC:
M38802M270
•
Full keyboard control
•
Mouse control:
Not used
•
Matrix Key control:
Not used
1-4. Graphic Controller
VGAC:
MN89305
•
XGA compatible
•
LCD (640
×
480
×
256/64k color; 800
×
600
×
256/64k color; 024
×
768
×
256 color) control
•
Host intrface:
PCI/ISA/I386/I486/VL interface (Used
for PCI interfce)
•
DRAM interface:
4M DRAM (16-bit)
×
1or2, 16M DRAM
(16-bit)
×
1or2
•
Vcc=3.3V only
1-5. Super I/O Controller
M5113A2
•
FDC:
Disable
•
Serial Port:
16C550 compatible with Infrared
×
2
•
Parallel Port:
used for LPT1
1-6. System Controller 2
PSC2:
LZ9AM22
•
BIOS ROM Bank Control:
Fixed 2banks
•
Mask ROM Bank Control:
Fixed 256banks
•
Flash ROM Bank Control:
Max. 384banks
•
PS-RAM Bank Control:
Max. 192banks
•
UART
×
5:
COM 5ch
•
Clocked Serial I/O
×
2:
CKDC VII I/F (Not used)
•
Mode Switch Sense:
16bits (Not used)
•
Clerk Switch Sense:
16bits (Not used)
•
MCR I/F:
2track
•
Drawer I/F:
2drawers
1-7. Memory
•
L2 cache:
None
•
System Memory:
DRAM Standard = 1M
×
16b EDO
Asym 60ns Vcc = 3.3V
×
4chip (8MB)
Option = 144pin S.O.DIMM socket
×
1 (8MB/16MB/32MB)
•
BIOS ROM:
512K
×
8b (512KB) Flash ROM
Vcc = 5.0V
•
DOS ROM:
1M
×
16b (2MB) Mask ROM
Vcc = 5.0V
•
Flash ROM Disk:
Standard = 1M
×
16b (2MB)
Vcc = 5.0V
Option = 2M
×
16b (4MB)
•
PS-RAM Disk:
Standard = 512K
×
8b
×
2chip (1MB)
Vcc = 3.3V
Option = 512K
×
8b
×
4chip (2MB)
•
Video RAM:
256K
×
16b
×
2chip (1MB)
Vcc = 3.3V
1-8. Analog Touch Panel
•
Controller:
N010-0559-V021
•
RS-232C I/F (2400/4800/9600bps):
used for 9600bps
•
Resolution:
1024
×
1024
1-9. LCD
•
Color LCD:
10.4" DSTN 640
×
480
×
256color
1-10. System Switch
•
DIP Switch:
8circuits
•
Jumper Switch:
Not used
•
0
Ω
Register:
Not used
1-11. Serial Ports
•
Serial 1 (Used for COM1): Ci/+5V switchable – DSUB9 with FIFO
(by Super I/O)
•
Serial 2 (Used for COM2): Ci/+5V switchable – DSUB9 with FIFO
(by Super I/O)
•
Serial 3
(Used for COM3/5):
SG/+5V Pattern-cut & Jumper – RJ45
without FIFO (by PSC2)
•
Serial 4
(Used for COM4/6):
– RJ45 without FIFO (by PSC2)
•
Serial 5:
Used for Built-in printer – TTL level in-
terface
•
Serial
6:
Used for Customer VFD control –
RJ45(for UP-P20DP) or 7pin-CN(for
UP-I20DP)
•
Serial 7:
Used for Touch panel control – TTL
level interface
1-12. Power Supply Unit
•
Input = AC100 - 120V, 50/60Hz
1-13. Vacuum Fluorescent Display Unit:
202MD11AB (used Pole display unit:
UP-P20DP/i20DP)
•
VFD = 20 Digits
×
2 Lines, 5
×
7dots with; (Period & Comma) + 20
w
•
Microcontroller with Character Generator
•
RS-232C I/F (RXD/DSR/DTR,4800/9600/19200/38400bps):
used for 9600bps
•
Power:
+5VDC/1A
•
Auto indicator blinking:
When power is turn on, automatically
blink the indicator of 1st digit.
5 – 1
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