ACER, INC.

P2/370A (SOUND)

Device Type Mainboard
Processor Pentium II/Celeron/Pentium III
Processor Speed 200/233/266/300/333/350/366/400/450/500/550/600/650/700/750/800MHz
Chip Set Intel 440BX
Maximum Onboard Memory 768MB (EDO & SDRAM supported)
Audio Chip Set ESS
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 170mm
I/O Options 32-bit PCI slots (4), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROMs (2), SB-link connector, wake on LAN connector

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface   Green PC LED  
VGA feature connector   External memory card  
Serial port 2   Speaker  
Serial port 1   Power LED & keylock  
Parallel port   Bus mouse port  
External battery   32-bit external memory card  
SB-link connector   Line in  
Wake on LAN connector   Line out  
Wake on modem connector   Microphone in  
PC/104 connector   Wavetable connector  
    SCSI interface  
Game/MIDI port   SCSI-2 interface  
3.3v power   Ultra Wide SCSI interface  
3.3v auxiliary power   Wide SCSI interface  
Audio in - CD-ROM   5v power  
Game port   5v auxiliary power  
Game interface   RAID slot  
PS/2 mouse port   32-bit PCI slots

PC1 - PC

Green PC connector   32-bit VESA local bus slots  
AGP slot

AGP

   
ATX power connector

ATX

   
USB connector   CPU fan power  
VRM connector   Floppy drive interface  
Cache slot   VGA port  
IDE interface 1   32-bit system memory card  
Turbo LED   Reset switch  
IDE interface LED   Turbo switch  
USB connector 1   Soft off power supply  
USB connector 2      
Riser slot   Chassis fan power  
IDE interface 2   IR connector  


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board sound enabled

JSND

Pins 1 & 2 closed

  On board sound disabled

JSND

Pins 2 & 3 closed

»

CMOS memory normal operation

RTC

Pins 2 & 3 closed

  CMOS memory clear

RTC

Pins 1 & 2 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

168MB

(1) 16M x 64

(1) 4M x 64

(1) 1M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

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

200MB

(1) 16M x 64

(1) 8M x 64

(1) 1M x 64

208MB

(1) 16M x 64

(1) 8M x 64

(1) 2M x 64

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

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

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

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note: Board accepts EDO & SDRAM memory. The location of the banks is unidentified.


CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JF0

JF1

JF2

JF3

200MHz

66MHz

3x

1 & 2

2 & 3

1 & 2

1 & 2

233MHz

66MHz

3.5x

1 & 2

2 & 3

2 & 3

1 & 2

266MHz

66MHz

4x

2 & 3

1 & 2

1 & 2

1 & 2

300MHz

66MHz

4.5x

2 & 3

1 & 2

2 & 3

1 & 2

333MHz

66MHz

5x

2 & 3

2 & 3

1 & 2

1 & 2

366MHz

66MHz

5.5x

2 & 3

2 & 3

2 & 3

1 & 2

400MHz

66MHz

6x

1 & 2

1 & 2

1 & 2

2 & 3

433MHz

66MHz

6.5x

1 & 2

1 & 2

2 & 3

2 & 3

466MHz

66MHz

7x

1 & 2

2 & 3

1 & 2

2 & 3

500MHz

66MHz

7.5x

1 & 2

2 & 3

2 & 3

2 & 3

533MHz

66MHz

8x

2 & 3

1 & 2

1 & 2

2 & 3

300MHz

100MHz

3x

1 & 2

2 & 3

1 & 2

1 & 2

350MHz

100MHz

3.5x

1 & 2

2 & 3

2 & 3

1 & 2

400MHz

100MHz

4x

2 & 3

1 & 2

1 & 2

1 & 2

450MHz

100MHz

4.5x

2 & 3

1 & 2

2 & 3

1 & 2

500MHz

100MHz

5x

2 & 3

2 & 3

1 & 2

1 & 2

550MHz

100MHz

5.5x

2 & 3

2 & 3

2 & 3

1 & 2

600MHz

100MHz

6x

1 & 2

1 & 2

1 & 2

2 & 3

650MHz

100MHz

6.5x

1 & 2

1 & 2

2 & 3

2 & 3

700MHz

100MHz

7x

1 & 2

2 & 3

1 & 2

2 & 3

750MHz

100MHz

7.5x

1 & 2

2 & 3

2 & 3

2 & 3

800MHz

100MHz

8x

2 & 3

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.


CPU FREQUENCY SELECTION

Frequency

JFSB

Auto detect

Open

66MHz

Pins 2 & 3 closed

100MHz

Pins 1 & 2 closed