Custom Audio Electronics PT-3000 User manual

WWW.CUSTOM.IT PT-3000

Technical Reference Manual
Page 2 of 38 PT-3000
PT3000
Technical Reference Manual
DISCLAIMER
The information contained in this manual has been validated and reviewed for accuracy.
While every precaution has been taken in the preparation of this manual, manufacturer
assumes no responsibility for errors or omissions. Neither do manufacture assumes any
liability for damage(s) incurred directly or indirectly from errors, omissions or
discrepancies between the product and the manual.
This manual contains information protected by copyright. No part of this manual may be
reproduced, stored in a retrieval system, or transmitted in form of electronic, mechanical,
photocopying, recording, without prior written consent from manufacture.
NOTICE
The information in this manual is subject to change without notice.

Technical Reference Manual
Page 3 of 38 PT-3000
BATTERY REPLACEMENT
WARNING:
Your system is provided with a battery-powered Real-Time Clock circuit. There is a
danger of explosion and risk of personal injury if the battery is incorrectly replaced or
mistreated. Do not attempt to disassemble the battery, immerse it in water or dispose of it
in fire.
CE WARNING
This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.

Technical Reference Manual
Page 4 of 38 PT-3000
Trademarks Acknowledgments
Intel & Pentium is a trademark of Intel Corporation
AMD is a trademark of Advance Micro Devices, Inc
Microsoft is a registered trademark, Windows and Windows logo are trademark of
Microsoft Corporation.
AWARD is a trademark of the Award Software Inc
Cyrix is a trademark of Cyrix Corporation
SIS is a trademark of Silicon Integrated System Corporation
Cirrus Logic is a trademark of Cirrus Logic Inc
C&T is a trademark of the Chips and Technologies, Inc
Turbo C is a trademark of Borland Inc
All other registered and unregistered trademarks are trademarks of their respective
holders.

Technical Reference Manual
Page 5 of 38 PT-3000
TABLE OF CONTENTS
1 CHAPTER 1 - HARDWARE DESCRIPTION.......................................................................................7
1.1 TECHNICAL SPECIFICATION.....................................................................................................................7
1.2 JUMPER SETTING DETAILS......................................................................................................................9
1.2.1 JP1: CPU Clock Select .............................................................................................................10
1.2.2 JP6: CPU Voltage Select..........................................................................................................10
1.2.3 JP7: Internal RTC......................................................................................................................10
1.2.4 JP8: Clock Setting.....................................................................................................................10
1.2.5 JP9: Reset Switch Connector...................................................................................................10
1.2.6 JP10, JP12: DOC-2000 & SRAM Select ..................................................................................11
1.2.7 J11: SRAM Size Select.............................................................................................................11
1.2.8 JP13, JP14: DOC-2000 Memory Address Select.....................................................................11
1.2.9 JP16: Clear External CMOS .....................................................................................................11
1.2.10 J4: LCD Power Select...............................................................................................................11
1.2.11 J5: DOC-2000 Power Select.....................................................................................................11
1.2.12 JP18: LCD Shift Clock Select ...................................................................................................11
1.3 CONNECTOR’S DESCRIPTION................................................................................................................12
1.3.1 J1: Power Connector.................................................................................................................12
1.3.2 J2: Invert Power Connector ......................................................................................................12
1.3.3 J3: LCD Bright Connector (Default: 2-3 short)..........................................................................12
1.3.4 JP15: LAN LED Connector.......................................................................................................12
1.3.5 JP17: FAN Power Connector....................................................................................................12
1.3.6 J7: DOC-2000 Controller Programming Connector..................................................................13
1.3.7 J8: Power LED Connector ........................................................................................................13
1.3.8 JP3: Hard Disk Drive LED.........................................................................................................13
1.3.9 JP4: Slave IDE Connector (44 pin)...........................................................................................13
1.3.10 JP5: Master IDE Connector (40 pin).........................................................................................14
1.3.11 J9: Floppy Drive Connector (34 pin).........................................................................................14
1.3.12 J10: Keyboard Signal Select (Default: Pin 3-4 &5-6 short).......................................................15
1.3.13 J11: COM4 Connector (Used for Touch Panel) ........................................................................15
1.3.14 J12: LCD Voltage Select (For Test Only) (Default:open)..........................................................15
1.3.15 J13: VGA Chip Voltage Select..................................................................................................15
1.3.16 J18: LCD Voltage Select...........................................................................................................15
1.3.17 CN1: Watchdog Connector Programming Connector...............................................................15
1.3.18 CN2: LCD Connector................................................................................................................16
1.3.19 USB Connector.........................................................................................................................18
1.3.20 JP1: COM3 Power Supply........................................................................................................18
1.3.21 J8: MSR Setting........................................................................................................................18
1.3.22 VGA Connector (15-pin D type Female)...................................................................................18
1.3.23 Printer Connector (25-pin D-type Female)................................................................................18
1.3.24 COM1 and COM2 Connector (9-pin D-type Male)....................................................................18
1.3.25 PS/2 Keyboard Connector........................................................................................................19
1.3.26 PS/2 Mouse Connector.............................................................................................................19
1.3.27 Cash Drawer Connector (RJ-11 Type)......................................................................................19
1.3.28 COM3 Connector (RJ-45 Type) ................................................................................................19
1.3.29 Power Connector (8-pin DIN Type)...........................................................................................19
1.3.30 Power Connector (4-pin DIN Type)...........................................................................................19
1.3.31 Power Connector (3-pin DIN Type)...........................................................................................19
1.3.32 HDD / FDD Power Connector...................................................................................................20
1.3.33 CN3: LAN Connector ................................................................................................................20
1.3.34 CN3: LAN Connector ................................................................................................................20
1.4 MEMORY CONFIGURATION....................................................................................................................21
2 CHAPTER 2 - BIOS SETUP ..............................................................................................................21
2.1 INTRODUCTION.....................................................................................................................................21
2.1.1 Standard CMOS Setup Menu...................................................................................................23
2.1.2 BIOS Features Setup Menu......................................................................................................25
2.1.3 Chipset Features Setup Menu..................................................................................................27

Technical Reference Manual
Page 6 of 38 PT-3000
2.1.4 Power Management Setup Menu .............................................................................................28
2.1.5 PNP/PCI Configuration Setup Menu.........................................................................................29
2.1.6 Integrated Peripherals Setup Menu..........................................................................................30
2.1.7 Change Password.....................................................................................................................31
3 CHAPTER 3 - DRIVER DETAILS ......................................................................................................32
3.1 DISK-ON-CHIP (“ DOC” ) INTERFACE......................................................................................................32
3.1.1 Installing the Disk-On-Chip 2000:.............................................................................................32
3.1.2 Configuring the Disk-On-Chip 2000 as the BOOT device: .......................................................33
3.1.3 Configuring the Disk-On-Chip 2000 as the first drive: ..............................................................33
3.1.4 DUPDATE – Updating Disk-On-Chip 2000 Firmware:..............................................................33
3.1.5 Network Interface......................................................................................................................33
3.1.6 LCD/ VGA Display Interface .....................................................................................................34
3.1.7 Touch Panel Interface...............................................................................................................35
3.1.8 Driver.........................................................................................................................................36
3.1.9 Sound Controller.......................................................................................................................36
3.1.10 Customer Display Interface (“OLE/POS Driver”)......................................................................37
3.1.11 Magnetic Swipe Reader (MSR) Interface .................................................................................38
3.1.12 PCMCIA Interface.....................................................................................................................38

Technical Reference Manual
Page 7 of 38 PT-3000
1 CHAPTER 1 - HARDWARE DESCRIPTION
1.1 Technical Specification
•CPU: Intel Pentium P54C / P55C, MMX 233 MHz
Option: AMD K5/ K6, Cyrix 6x86 & IDT C6.
•Chipset: SiS 5582.
•BIOS: AWARD 128KB Flash ROM includes System
& Video BIOS, Ethernet Boot ROM, SSD Driver and
support Plug and play.
•Cache Memory: On-board 512KB-pipelined burst SRAM.
•RAM: 2 x 168-pin SIMM upgradable to 128MB.
•EIDE Interface: Support two HDD’s (3.5” & 2.5” each).
•FDD Interface: Support two FDD’s (1.44MB).
•Parallel Port: 1 port, support SPP/EPP/ECP parallel mode.
•Serial Port: 4 RS232C ports, supports
2 x 9-pin D-type (COM1, 2)
1 x 8-pin RJ45 type (COM3) and
1 x internal port used for touch panel (COM4).
•Watchdog Timer: Generates a system reset, timing & temperature
Intervals are software programmable.
•Keyboard: Support one PS/2 type keyboard.
•Mouse: Support one PS/2 type mouse.
•USB Interface: Support two USB devices with fuse protection.
Compliant with USB specs Rev 1.0
•Display Interface: 12.1” LCD single / double tube option and CRT
(PCI SVGA) display. Simultaneously supports CRT and
flat panel (EL, LCD and Gas Plasma) display.
Resolution: Support non-interlaced CRT & LCD display up
to 1024 x 768 @ 256 colors with onboard 1MB video
memory. Expandable to 2 MB.
•Cash Drawer: 1 x RJ11 connector, support two cash drawers.
Drive Voltage: +24V DC
Drive Current: 0.8A at maximum (within 510 ms)
•Ethernet: 1 x RJ45 connector supports 10/100 Base-T,
NE2000 compatible.
•Touch Panel: Elo TouchSystem, five-wire resistive sensor.
•Disk-On-Chip: Supports Disk-On-Chip 2000 serials,
Upgradable to 72 MB.
•DC Power: Support +24VDC/ 3A output for printer Interface.
•Customer Display: Support +12VDC, 2 x 20 character display
Interface through COM3 serial port.
•MSR Interface: Supports 1 / 2 / 3 track reader.
•Power Supply: Adapter Input: 110 ~ 230 VAC, 50/ 60 Hz
Adapter Output: +5V/10A, +12V/2A, +24V/3A
Total wattage: 146 W

Technical Reference Manual
Page 8 of 38 PT-3000
•Dimensions: CPU Unit: 318 (L) x 326 (W) x 82 (H) mm
CPU Unit on Pedestal: 318(L) x 345(W) x 193(H) mm
CPU Unit rotation angle: mim 50oC ~ max 275oC
•Weight: Packing: 10.3 Kgs
CPU Unit: 6.2 Kgs
•Temperature: Storage: -25o C ~ 70o C
Operation: 5o C ~ 55o C
Humidity: 0 to +85% (operating)
•Options: Sound Card Interface.
PC/104 Interface: PCMCIA / FAX Modem Interface.
IrDA device Interface.
•Green Function: Suspend mode support
IDE & Display power down support
APM 1.1 Compliant
•Software: Operation with MS-DOS, WINDOWS 95/ 98,
WINDOWS NT, OS/2, NOVELL and SCO UNIX.

Technical Reference Manual
Page 9 of 38 PT-3000
PT-3000 Mainboard Layout
1.2 Jumper Setting Details
In order to set up the correct configuration, here is the description about how to set the
jumpers to enable/disable or change functions. For all jumpers locations please refer
DMM2 DMM1
CPU
BAT.
PCI/PNP 586
J1
JP17
J2
JP7





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

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
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




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
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


JP9
CN1
U31
JP5
JP4
JP13 JP11
J7 JP10 JP14 JP12
J5
JP3
CON1
U28
J11
U27
CHPS
T65550 B
TM4082C 9904-b
sis
PIA4898
9838EF
CN2
J4
J13
JP18
J8
J10
J3
U7
JP15
JP8
JP6
JP1
J9

Technical Reference Manual
Page 10 of 38 PT-3000
to PT-3000 mainboard layout diagram.
1.2.1 JP1: CPU Clock Select
1-2 3-4 5-6 CPU Clock
Open Open Open 1.5X (P54C)
Close Open Open 2.0X
Close Close Open 2.5X
Open Close Open 3.0X
Open Open Open 3.5X (P55C)
Close Open Close 4.0X
Close Close Close 4.5X
Open Close Close 5.0X
Open Open Close 5.5X
1.2.2 JP6: CPU Voltage Select
3-4 5-6 7-8 9-10 1-2 (open) 1-2(close)
Open Open Open Open x 1.30V
Open Open Open Close 2.1V 1.35V
Open Open Close Open 2.2V
(Default)1.40V
Open Open Close Close 2.3V 1.45V
Open Close Open Open 2.4V 1.50V
Open Close Open Close 2.5V 1.55V
Open Close Close Open 2.6V 1.60V
Open Close Close Close 2.7V 1.65V
Close Open Open Open 2.8V 1.70V
Close Open Open Close 2.9V 1.75V
Close Open Close Open 3.0V 1.80V
Close Open Close Close 3.1V 1.85V
Close Close Open Open 3.2V 1.90V
Close Close Open Close 3.3V 1.95V
Close Close Close Open 3.4V 2.00V
Close Close Close Close 3.5V 2.05V
1.2.3 JP7: Internal RTC
1-2 Close Normal (Default)
2-3 Close Clear CMOS
1.2.4 JP8: Clock Setting
1-2 3-4 CPU Clock PCI Clock
Open Open 66.8 MHz 33.40 MHz (Default)
Close Open 75.0 MHz 37.50 MHz
1.2.5 JP9: Reset Switch Connector
Open Normal (Default)
Close Reset System Board

Technical Reference Manual
Page 11 of 38 PT-3000
1.2.6 JP10, JP12: DOC-2000 & SRAM Select
JP10 JP12 1.2.6.1.1 Select
Open Open DOC-2000 (Default)
Close Close SRAM
1.2.7 J11: SRAM Size Select
Open 128KB
Close 512KB (Default)
1.2.8 JP13, JP14: DOC-2000 Memory Address Select
JP13 JP14 1.2.8.1.1 Memory Address
Close Close C800 : 0000
Open Close D000 : 0000 (Default)
Close Open D800 : 0000
Open Open x
1.2.9 JP16: Clear External CMOS
Open Normal (Default)
Close Clear CMOS
1.2.10 J4: LCD Power Select
1-2 Close + 5V
2-3 Close + 3.3V (Default)
1.2.11 J5: DOC-2000 Power Select
1-2 2-3 1.2.11.1.1.1.1.1 Power Select
Close Open + 5V (Default)
Open Close From J6 Battery Input
1.2.12 JP18: LCD Shift Clock Select
1-2 3-4 5-6 CN2 Pin 42 Signal
Close Open Open SHFCLK -
Open Close Open SHFCLK
Open Open Close DOTCLK (Default)

Technical Reference Manual
Page 12 of 38 PT-3000
1.3 Connector’s Description
1.3.1 J1: Power Connector
Pin Signal
1+5V
2+5V
3GND
4GND
5GND
6+12V
1.3.2 J2: Invert Power Connector
Pin Signal
1+12V
2GND
3 LCD ADJ.
4+5V
5+5V
1.3.3 J3: LCD Bright Connector (Default: 2-3 short)
Pin Signal
1+5V
2 LCD ADJ.
3GND
4N.C.
1.3.4 JP15: LAN LED Connector
Pin Signal
1LED+
2LED-
3LED+
4LED-
5LED+
6LED-
1.3.5 JP17: FAN Power Connector
Pin Signal
1+5V
2GND
3+12V

Technical Reference Manual
Page 13 of 38 PT-3000
1.3.6 J7: DOC-2000 Controller Programming Connector
Pin Signal
1TDO
2TCK
3TMS
4TDI
5GND
6+5V
1.3.7 J8: Power LED Connector
Pin Signal
1LED+
2LED-
1.3.8 JP3: Hard Disk Drive LED
Pin Signal
1LED+
2LED-
1.3.9 JP4: Slave IDE Connector (44 pin)
Pin Signal Pin Signal
1IDERESET2 GND
3DATA74DATA8
5DATA66DATA9
7DATA58DATA10
9 DATA 4 10 DATA 11
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 SIGNAL GND 20 N/C
21 HDD 0 22 GND
23 IO WRITE 24 GND
25 IO READ 26 GND
27 HD READY 28 N/C
29 HDACK 0 30 GND
31 IRQ14 32 N/C
33 ADDR 1 34 N/C
35 ADDR 0 36 ADDR 2
37 HARD DISK
SELECT 0 38 HARD DISK SELECT 1
39 IDE ACTIVE 40 GND
41 VCC 42 VCC
43 GND 44 N/C
44
43
2
1

Technical Reference Manual
Page 14 of 38 PT-3000
1.3.10 JP5: Master IDE Connector (40 pin)
Pin Signal Pin Signal
1IDERESET2 GND
3DATA74DATA8
5DATA66DATA9
7DATA58DATA10
9 DATA 4 10 DATA 11
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 SIGNAL GNA 20 N/C
21 HDD 0 22 GND
23 IO WRITE 24 GND
25 IO READ 26 GND
27 DH READY 28 N/C
29 HDACK 0 30 GND
31 IRQ14 32 N/C
33 ADDR 1 34 N/C
35 ADDR 0 36 ADDR 2
37 HARD DISK
SELECT 0 38 HARD DISK SELECT 1
39 IDE ACTIVE 40 GND
1.3.11 J9: Floppy Drive Connector (34 pin)
Pin Signal Pin Signal
1 GND 2 DENSITY SELECT
3GND 4 N/C
5 GND 6 DRIVE TYPE
7 GND 8 INDEX
9 GND 10 MOTOR 0
11 GND 12 DRIVE SELECT 1
13 GND 14 DRIVE SELECT 0
15 GND 16 MOTOR 1
17 GND 18 DIRECTION
19 GND 20 STEP
21 GND 22 WRITE DATA
23 GND 24 WRITE GATE
25 GND 26 TRACK 0
27 GND 28 WRITE PROTECT
29 GND 30 READ DATA
31 GND 32 HEAD SELECT
33 GND 34 DISK CHANGE
2
1
34
33
1
2
39
40

Technical Reference Manual
Page 15 of 38 PT-3000
1.3.12 J10: Keyboard Signal Select (Default: Pin 3-4 &5-6 short)
Pin Signal
1+5V
2GND
3 Connect to GOLDEN-FINGER (KBCLK)
4 Keyboard Clock
5 Keyboard Data
6 Connect to GOLDEN-FINGER (KBDATA)
1.3.13 J11: COM4 Connector (Used for Touch Panel)
Pin Signal Pin Signal
1 DCD 2 RXD
3TXD4DTR
5GND6DSR
7 RTX 8 CTS
9RI10+5V
1.3.14 J12: LCD Voltage Select (For Test Only) (Default:open)
Pin Signal
1-2 Short LCD Voltage Select +5V
2-3 Short LCD Voltage Select +3.3V
1.3.15 J13: VGA Chip Voltage Select
Pin Signal
1-2 Short VGA voltage Select +5V
2-3 Short VGA voltage Select +3.3V (Default)
1.3.16 J18: LCD Voltage Select
Pin Signal
1 Select +3.3V
2PowerIn
3+5V
1.3.17 CN1: Watchdog Connector Programming Connector
Pin Signal Pin Signal
1 TDO 2 TCK
3TMS4TDI
5GND6+5V

Technical Reference Manual
Page 16 of 38 PT-3000
1.3.18 CN2: LCD Connector
Pin Function Pin Function
1+12V2+12V
3 GND 4 GND
55V/3.365V/3.3
7ENAVEE8 GND
9P010P1
11 P2 12 P3
13 P4 14 P5
15 P6 16 P7
17 P8 18 P9
19 P10 20 P11
21 P12 22 P13
23 P14 24 P15
25 P16 26 P17
27 P18 28 P19
29 P20 30 P21
31 P22 32 P23
33 GND 34 GND
35 SHFCLK 36 FLM
37 M 38 LP
39 GND 40 ENABKL
41 GND 42 ASHFCLK
43 ENAVDD 44 5V/3.3
44
43
2
1

Technical Reference Manual
Page 17 of 38 PT-3000
J1J4
J5
J6
J7
25 1 26 2
JP1
5V 12V
JP2
J3
11 1
J8
J2
EXT-KB 3-5 , 4-6 DECODER 1-3 , 2-4 , 5-7 , 6--8
1
11
J8
MSR
USB
USB COM3 PS/2
MOUSE
5V/12V
POWER OUT
12V/24V
POWER IN
5V/12V SELE.
MSR
7 8
1 2
KEYBOARD

Technical Reference Manual
Page 18 of 38 PT-3000
1.3.19 USB Connector
Pin Signal Pin Signal
1VCC 2 UV-
3UV+ 4 GND
1.3.20 JP1: COM3 Power Supply
Pin Signal
1+5V
2PowerIn
3+12V
1.3.21 J8: MSR Setting
Pin 3-5, 4-6 Close: Extended Keyboard
Pin 1-3, 5-7, 2-4,6-8 Close: Decode (Default)
1.3.22 VGA Connector (15-pin D type Female)
Pin Signal Pin Signal Pin Signal
1RED6GND11 X
2 GREEN 7 GND 12 X
3BLUE8GND13H-SYNC
4X9X14V-SYNC
5GND10GND15 X
1.3.23 Printer Connector (25-pin D-type Female)
Pin Signal Pin Signal
1 -Strobe 10 -ACKnowedge (ACK-)
2 Data 0 11 Busy
3 Data 1 12 Paper
4 Data 2 13 Printer Select (Select)
5 Data 3 14 –Auto Form Feed
(
Auto FD
)
6 Data 4 15 –Error
7 Data 5 16 -Initialize (-Init)
8 Data 6 17 -Printer Select In
(
Select In-
)
9 Data 7 18~25 GND
1.3.24 COM1 and COM2 Connector (9-pin D-type Male)
Pin Signal Pin Signal
1 DCD 6 DSR
2RXD7RTS
3TXD8CTS
4DTR9 RI
5GND
1
5
6
10
15 11
113
25 14
51
96

Technical Reference Manual
Page 19 of 38 PT-3000
1.3.25 PS/2 Keyboard Connector
Pin Signal Pin Signal
1 KB DATA 4 KB VCC
2X5KBCLK
3 KB GND 6 X
1.3.26 PS/2 Mouse Connector
Pin Signal Pin Signal
1 MS DATA 4 MS VCC
2X5MSCLK
3MSGND6 X
1.3.27 Cash Drawer Connector (RJ-11 Type)
Pin Signal Pin Signal
1GND4+24V
2 Control 1 5 Control 2
3State6GND
1.3.28 COM3 Connector (RJ-45 Type)
Pin Signal Pin Signal
1VCC5RTS
2VCC6CTS
3GND7 TX
4GND8 RX
1.3.29 Power Connector (8-pin DIN Type)
Pin Signal Pin Signal
1+5V5GND
2+5V6GND
3+5V7GND
4GND8 RM
1.3.30 Power Connector (4-pin DIN Type)
Pin Signal
1GND
2GND
3+24V
4+12V
1.3.31 Power Connector (3-pin DIN Type)
Pin Signal
1+24V
2N.C.
3GND
7
3
4
6
1
8
52
2 1
3
8 7 6 5 4 3 2 1
123456

Technical Reference Manual
Page 20 of 38 PT-3000
1.3.32 HDD / FDD Power Connector
Pin Signal
1+12V
2GND
3GND
4+5V
1.3.33 CN3: LAN Connector
Pin Signal
1Tx+
(
Data Transmission Positive
)
2Tx-
(
Data Transmission Ne
g
ative
)
3Rx+
(
Data Transmission Positive
)
4 Rx- (Data Reception Negative)
1.3.34 CN3: LAN Connector
Pin Signal
RowA RowB Signal
RowA RowB
1 IOCHCHK 0V 0V 0V
2 SD7 RESET SBHE MEMCS16
3SD6 +5VLA23 IOCS16
4SD5 IRQ9
LA22 IRQ10
5SD4 -5VLA21 IRQ11
6 SD3 DRQ2 LA20 IRQ12
7 SD2 -12V LA19 IRQ15
8 SD1 ENDXFR LA 18 IRQ14
9 SD0 +12V LA17 DACK0
10 IOCHRDY (KEY) MEMR DRQ0
11 AEN SMEMW MEMW DACK5
12 SA19 SMEMR SD8 DRQ5
13 SA18 IOW SD9 DACK6
14 SA17 IOR SD10 DRQ6
15 SA16 DACK3 SD11 DACK7
16 SA15 DRQ3 SD12 DRQ7
17 SA14 DACK1 SD13 +5V
18 SA13 DRQ1 SD14 MASTER
19 SA12 REFRESH SD15 0V
20 SA11 SYSCLK (KEY) 0V
21 SA10 IRQ7
22 SA9 IRQ6
23 SA8 IRQ5
24 SA7 IRQ4
25 SA6 IRQ3
26 SA5 DACK2
27 SA4 TC
28 SA3 BALE
29 SA2 +5V
30 SA1 OSC
31 SA0 0V
32 0V 0V
1
1
32
32
Row A
Row B
Row A
Row B
20
20
1
1