|
|
P5A-B (REV. 1.03)
ASUS COMPUTER INTERNATIONAL
P5A-B (REV. 1.03)
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Device Type
|
Mainboard
|
|
Processor
|
CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/CX MII/IBM MII/
AM K5/AM K6/Pentium/Pentium MMX
|
|
Processor Speed
|
75/90/100/120/133/150/166/200/233/266/300/333/350MHz
|
|
Chip Set
|
ALI Aladdin V
|
|
Maximum Onboard Memory
|
768MB (SDRAM supported)
|
|
Audio Chip Set
|
C-media
|
|
Cache
|
512/1024KB
|
|
BIOS
|
Unidentified
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|
Dimensions
|
305mm x 244mm
|
|
I/O Options
|
32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot, audio in – CD-ROMs (2), wake on LAN connector, audio connector
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
AGP slot
|
AGP
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Audio in – CD-ROM
|
C9
|
|
ATX power connector
|
ATX
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Auxiliary in connector
|
C10
|
|
Turbo LED
|
C1/pins 2 & 3
|
SMBus connector
|
C11
|
|
Soft off power supply
|
C1/pins 6 & 7
|
Chassis intrusion connector
|
C12
|
|
Reset switch
|
C1/pins 9 & 10
|
Wake on LAN connector
|
C13
|
|
Power LED & keylock
|
C1/pins 11 – 15
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Power fan
|
C14
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Speaker
|
C1/pins 17 - 20
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Serial port 1
|
CN1
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|
IR connector
|
C2
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Serial port 2
|
CN2
|
|
IDE interface LED
|
C3
|
Parallel port
|
CN3
|
|
Digital audio connector
|
C4
|
Floppy drive interface
|
CN4
|
|
Chassis fan power
|
C5
|
IDE interface 2
|
CN5
|
|
Audio connector
|
C6
|
IDE interface 1
|
CN6
|
|
Audio in – CD-ROM
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C7
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PS/2 mouse, USB, IR interface
|
CN7
|
|
CPU fan power
|
C8
|
32-bit PCI slots
|
PC1 – PC3
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Label
|
Position
|
|
»
|
CMOS memory normal operation
|
RTC
|
Open
|
|
|
CMOS memory clear
|
RTC
|
Closed
|
|
DIMM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
|
8MB
|
(1) 1M x 64
|
None
|
None
|
|
16MB
|
(1) 1M x 64
|
(1) 1M x 64
|
None
|
|
16MB
|
(1) 2M x 64
|
None
|
None
|
|
24MB
|
(1) 1M x 64
|
(1) 1M x 64
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(1) 1M x 64
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32MB
|
(1) 2M x 64
|
(1) 2M x 64
|
None
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|
32MB
|
(1) 4M x 64
|
None
|
None
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48MB
|
(1) 2M x 64
|
(1) 2M x 64
|
(1) 2M x 64
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64MB
|
(1) 4M x 64
|
(1) 4M x 64
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None
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|
64MB
|
(1) 8M x 64
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None
|
None
|
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96MB
|
(1) 4M x 64
|
(1) 4M x 64
|
(1) 4M x 64
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|
128MB
|
(1) 8M x 64
|
(1) 8M x 64
|
None
|
|
128MB
|
(1) 16M x 64
|
None
|
None
|
|
164MB
|
(1) 16M x 64
|
(1) 1M x 64
|
None
|
|
144MB
|
(1) 16M x 64
|
(1) 1M x 64
|
(1) 1M x 64
|
|
144MB
|
(1) 16M x 64
|
(1) 2M x 64
|
None
|
|
160MB
|
(1) 16M x 64
|
(1) 2M x 64
|
(1) 2M x 64
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|
160MB
|
(1) 16M x 64
|
(1) 4M x 64
|
None
|
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DIMM CONFIGURATION (CON’T)
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
|
192MB
|
(1) 16M x 64
|
(1) 4M x 64
|
(1) 4M x 64
|
|
192MB
|
(1) 16M x 64
|
(1) 8M x 64
|
None
|
|
192MB
|
(1) 8M x 64
|
(1) 8M x 64
|
(1) 8M x 64
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256MB
|
(1) 16M x 64
|
(1) 8M x 64
|
(1) 8M x 64
|
|
256MB
|
(1) 16M x 64
|
(1) 16M x 64
|
None
|
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256MB
|
(1) 32M x 64
|
None
|
None
|
|
264MB
|
(1) 32M x 64
|
(1) 1M x 64
|
None
|
|
272MB
|
(1) 32M x 64
|
(1) 1M x 64
|
(1) 1M x 64
|
|
272MB
|
(1) 32M x 64
|
(1) 2M x 64
|
None
|
|
288MB
|
(1) 32M x 64
|
(1) 2M x 64
|
(1) 2M x 64
|
|
288MB
|
(1) 32M x 64
|
(1) 4M x 64
|
None
|
|
320MB
|
(1) 32M x 64
|
(1) 4M x 64
|
(1) 4M x 64
|
|
320MB
|
(1) 32M x 64
|
(1) 8M x 64
|
None
|
|
384MB
|
(1) 32M x 64
|
(1) 8M x 64
|
(1) 8M x 64
|
|
384MB
|
(1) 32M x 64
|
(1) 16M x 64
|
None
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|
384MB
|
(1) 16M x 64
|
(1) 16M x 64
|
(1) 16M x 64
|
|
512MB
|
(1) 32M x 64
|
(1) 16M x 64
|
(1) 16M x 64
|
|
512MB
|
(1) 32M x 64
|
(1) 32M x 64
|
None
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768MB
|
(1) 32M x 64
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(1) 32M x 64
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(1) 32M x 64
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Note: Board accepts SDRAM memory.
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DIMM/AGP VOLTAGE CONFIGURATION
|
|
Voltage
|
VIO0
|
VIO1
|
| »
|
3.5v
|
Open
|
Pins 1 & 2 closed
|
|
|
3.6v
|
Open
|
Pins 2 & 3 closed
|
|
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3.8v
|
Pins 1 & 2 closed
|
Open
|
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|
4.0v
|
Pins 2 & 3 closed
|
Open
|
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CACHE CONFIGURATION
|
|
Size
|
Bank 0
|
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512KB
|
(1) 64K x 64
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|
1MB
|
(1) 128K x 64
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CPU SPEED SELECTION (CX 6X86L)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
66MHz
|
2x
|
2 & 3
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (CX 6X86L, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
66MHz
|
2x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM 6X86L)
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|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
66MHz
|
2x
|
2 & 3
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM 6X86L, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
66MHz
|
2x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (CX 6X86MX)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
200MHz
|
66MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
233MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (CX 6X86MX, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
200MHz
|
66MHz
|
2.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
233MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM 6X86MX)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
200MHz
|
66MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
233MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM 6X86MX, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
200MHz
|
66MHz
|
2.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
233MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (CX MII)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
300MHz
|
66MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
300MHz
|
75MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
333MHz
|
83MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (CX MII, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
300MHz
|
66MHz
|
3.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
300MHz
|
75MHz
|
3x
|
1 & 2
|
1 & 2
|
2 & 3
|
2 & 3
|
|
333MHz
|
83MHz
|
3x
|
1 & 2
|
2 & 3
|
1 & 2
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM MII)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
300MHz
|
66MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
300MHz
|
75MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
333MHz
|
83MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (IBM MII, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
300MHz
|
66MHz
|
3.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
300MHz
|
75MHz
|
3x
|
1 & 2
|
1 & 2
|
2 & 3
|
2 & 3
|
|
333MHz
|
83MHz
|
3x
|
1 & 2
|
2 & 3
|
1 & 2
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K5)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
90MHz
|
60MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
100MHz
|
66MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
120MHz
|
60MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
133MHz
|
66MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K5, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
90MHz
|
60MHz
|
1.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
100MHz
|
66MHz
|
1.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
120MHz
|
60MHz
|
1.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
133MHz
|
66MHz
|
1.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K6)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
66MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
200MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
233MHz
|
66MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
266MHz
|
66MHz
|
4x
|
2 & 3
|
1 & 2
|
2 & 3
|
|
300MHz
|
66MHz
|
4.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K6, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
66MHz
|
2.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
200MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
233MHz
|
66MHz
|
3.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
266MHz
|
66MHz
|
4x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
300MHz
|
66MHz
|
4.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K6-2)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
266MHz
|
66MHz
|
4x
|
2 & 3
|
1 & 2
|
2 & 3
|
|
300MHz
|
100MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
333MHz
|
95MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
350MHz
|
100MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (AM K6-2, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
266MHz
|
66MHz
|
4x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
300MHz
|
100MHz
|
3x
|
1 & 2
|
1 & 2
|
1 & 2
|
2 & 3
|
|
333MHz
|
95MHz
|
3.5x
|
2 & 3
|
1 & 2
|
1 & 2
|
2 & 3
|
|
350MHz
|
100MHz
|
3.5x
|
1 & 2
|
1 & 2
|
1 & 2
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (INTEL)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
90MHz
|
60MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
100MHz
|
66MHz
|
1.5x
|
1 & 2
|
1 & 2
|
Open
|
|
120MHz
|
60MHz
|
2x
|
2 & 3
|
1 & 2
|
Open
|
|
133MHz
|
66MHz
|
2x
|
2 & 3
|
1 & 2
|
Open
|
|
150MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
166MHz
|
66MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (INTEL, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
90MHz
|
60MHz
|
1.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
100MHz
|
66MHz
|
1.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
120MHz
|
60MHz
|
2x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
133MHz
|
66MHz
|
2x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
150MHz
|
60MHz
|
2.5x
|
2 & 3
|
2 & 3
|
2 & 3
|
2 & 3
|
|
166MHz
|
66MHz
|
2.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (INTEL MMX)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
BF0
|
BF1
|
BF2
|
|
166MHz
|
66MHz
|
2.5x
|
2 & 3
|
2 & 3
|
Open
|
|
200MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
Open
|
|
233MHz
|
66MHz
|
3.5x
|
1 & 2
|
1 & 2
|
Open
|
|
Note: Pins designated should be in the closed position.
|
|
CPU SPEED SELECTION (INTEL MMX, CON’T)
|
|
CPU speed
|
Clock speed
|
Multiplier
|
FS0
|
FS1
|
FS2
|
FS3
|
|
166MHz
|
66MHz
|
2.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
200MHz
|
66MHz
|
3x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
233MHz
|
66MHz
|
3.5x
|
1 & 2
|
2 & 3
|
2 & 3
|
2 & 3
|
|
Note: Pins designated should be in the closed position.
|
|
CPU VOLTAGE SELECTION (SINGLE)
|
|
Voltage
|
VID0
|
VID1
|
VID2
|
VID3
|
|
3.4v
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
|
3.5v
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
|
CPU VOLTAGE SELECTION (DUAL)
|
|
Voltage
|
VID0
|
VID1
|
VID2
|
VID3
|
|
2.2v
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
|
2.8v
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
|
2.9v
|
Pins 2 & 3 closed
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
|
3.2v
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
|