ACER, INC.

P3WA

Device Type Mainboard
Processor Celeron/Pentium II/Pentium III
Processor Speed 233/266/300/333/350/366/400/433/450/466/500MHz
Chip Set Intel 810
Video Chip Set Unidentified
Audio Chip Set ADI
Maximum Onboard Memory 512MB (SDRAM supported)
Maximum Video Memory 4MB
Maximum Audio Memory Unidentified
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 180mm
I/O Options 32-bit PCI slots (6), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard port, serial port, serial interface, VGA port, Audio Modem Riser slot, IR connector, USB ports (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROMs (2), Wake-on-LAN connector, SB-Link connector


CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

CPU fan power CN16
PS/2 mouse port CN1 Chassis fan power CN17
PS/2 keyboard port CN2 Audio in - CD-ROM (Sony) CN18
USB port 1 CN3 Audio in - CD-ROM (Mitsumi) CN19
USB port 2 CN4 SB-Link connector CN20
Parallel port CN5 Green PC LED CN21/Pins 1 & 2
Serial port CN6 Reset switch CN21/Pins 3 & 4
VGA port CN7 IDE interface LED CN21/Pins 6 & 7
Game port CN8 Power switch CN21/Pins 9 & 10
Line out CN9 Power LED & keylock CN21/Pins 14-18
Line in CN10 Speaker CN21/Pins 20-23
Microphone in CN11 IR connector JIR
Serial interface CN12 Wake-on-LAN connector JWOL
Floppy drive interface CN13 32-bit PCI slots

PC1 - PC6

IDE interface 1 CN14 Audio Modem Riser slot SL1
IDE interface 2 CN15    


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Keyboard voltage selection 5V JKBV Pins 1 & 2 closed
  Keyboard voltage selection 5V stand by JKBV Pins 2 & 3 closed
» CMOS memory normal operation JRTC Pins 2 & 3 closed

 

CMOS memory clear JRTC Pins 1 & 2 closed
» Audio CODEC enabled JSND Pins 1 & 2 closed
  Audio CODEC disabled JSND Pins 2 & 3 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

16MB

(1) 2M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

32MB

(1) 4M x 64

None

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

64MB

(1) 8M x 64

None

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

128MB

(1) 16M x 64

None

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

256MB

(1) 32M x 64

None

272MB

(1) 32M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

Note: Board supports SDRAM memory.


CACHE CONFIGURATION

Note: 512KB cache is located on the Pentium III CPUs. 256KB/512KB cache is located on the Pentium II CPUs. 128KB cache is located on the Celeron 300A and greater CPUs.


CPU SPEED SELECTION (CELERON)

CPU speed

Clock speed

Multiplier

JF0

JF1

JF2

JF3 JFSB
266MHz* 66MHz 4x 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3
300MHz 66MHz 4.5x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3

333MHz

66MHz

5x

2 & 3 2 & 3 1 & 2 1 & 2 2 & 3

366MHz*

66MHz

5.5x

2 & 3 2 & 3 2 & 3 1 & 2 2 & 3

400MHz

66MHz

6x

1 & 2 1 & 2 1 & 2 2 & 3 2 & 3

433MHZ

66MHz

6.5x

1 & 2 1 & 2 2 & 3 2 & 3 2 & 3

466MHz*

66MHz

7x

1 & 2 2 & 3 1 & 2 2 & 3 2 & 3

500MHz*

66MHz

7.5x

1 & 2 2 & 3 2 & 3 2 & 3 2 & 3
Note: Designated pins should be in the closed position.
Note: Clock speed may be set to auto-detect by leaving JFSB open.
*Note: Available for Socket 370 CPU's only.


CPU SPEED SELECTION (PENTIUM II)

CPU speed

Clock speed

Multiplier

JF0

JF1

JF2

JF3 JFSB
233MHz 66MHz 3.5x 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3
266MHz 66MHz 4x 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3
300MHz 66MHz 4.5x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3

333MHz

66MHz

5x

2 & 3 2 & 3 1 & 2 1 & 2 2 & 3

350MHz

100MHz

3.5x

1 & 2 2 & 3 2 & 3 1 & 2 1 & 2

400MHz

100MHz

4x

2 & 3 1 & 2 1 & 2 1 & 2 1 & 2

450MHZ

100MHz

4.5x

2 & 3 1 & 2 2 & 3 1 & 2 1 & 2
Note: Designated pins should be in the closed position.
Note: Clock speed may be set to auto-detect by leaving JFSB open.


CPU SPEED SELECTION (PENTIUM III)

CPU speed

Clock speed

Multiplier

JF0

JF1

JF2

JF3 JFSB

450MHZ

100MHz

4.5x

2 & 3 1 & 2 2 & 3 1 & 2 1 & 2

500MHz

100MHz

5x

2 & 3 2 & 3 1 & 2 1 & 2 1 & 2
Note: Designated pins should be in the closed position.
Note: Clock speed may be set to auto-detect by leaving JFSB open.


CPU VOLTAGE SELECTION

Voltage

JVID0 JVID1 JVID2 JVID3 JVID4
auto-detect Open Open Open Open Open
1.8v 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3
1.85v 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3
1.9v 1 & 2 1 & 2 2 & 3 2 & 3 2 & 3
1.95v 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3
2v 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3
2.05v 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3
2.1v 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2
2.2v 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2
Note: Designated pins should be in the closed position.