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M715

PC CHIPS MANUFACTURING, LTD.

M715

Device Type

Mainboard

Processor

Pentium II

Processor Speed

233/266/275/333MHz

Chip Set

Intel 440LX

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

I/O Options

32-bit PCI slots (3), game/sound connector, Audio in - CD-ROM (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), AGP slot, ATX power connector, ATX form card connector, green PC connector

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Speaker

J5/pins 1, 3, 5, 7

ATX power connector

ATX

Power LED & keylock

J5/pins 2, 4, 6, 8, 10

Audio in - CD-ROM

CD1

IDE interface LED

J5/pins 15 & 16

Audio in - CD-ROM

CD2

Reset switch

J5/pins 17 & 18

Serial port 1

CN1

Green PC connector

J5/pins 19 & 20

Serial port 2

CN2

Chassis fan connector

J6

IDE interface 1

CN3

CPU fan connector

J7

IDE interface 2

CN4

Game/sound connector

J9

Parallel port

CN5

Digital audio in

J10

Floppy drive interface

CN6

Digital audio out

J11

PS/2 mouse interface

J1

32-bit PCI slots

PC1 - PC3

ATX form card connector

J3

PS/2 mouse port

PS2

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Sound pro selector enabled

JP1

Open

 

Sound pro selector disabled

JP1

Closed

 

Standard microphone selected

JP2

Open

 

Special microphone selected

JP2

Closed

CMOS memory normal operation

JP4

Pins 1 & 2 closed

 

CMOS memory clear

JP4

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1MB x 32

None

16MB

(2) 1MB x 32

(2) 1MB x 32

16MB

(2) 2MB x 32

None

24MB

(2) 2MB x 32

(2) 1MB x 32

32MB

(2) 2MB x 32

(2) 2MB x 32

32MB

(2) 4MB x 32

None

40MB

(2) 4MB x 32

(2) 1MB x 32

48MB

(2) 4MB x 32

(2) 2MB x 32

64MB

(2) 4MB x 32

(2) 4MB x 32

64MB

(2) 8MB x 32

None

72MB

(2) 8MB x 32

(2) 1MB x 32

80MB

(2) 8MB x 32

(2) 2MB x 32

96MB

(2) 8MB x 32

(2) 4MB x 32

128MB

(2) 8MB x 32

(2) 8MB x 32

128MB

(2) 16MB x 32

None

136MB

(2) 16MB x 32

(2) 1MB x 32

144MB

(2) 16MB x 32

(2) 2MB x 32

SIMM CONFIGURATION (CONT.)

Size

Bank 0

Bank 1

160MB

(2) 16MB x 32

(2) 4MB x 32

192MB

(2) 16MB x 32

(2) 8MB x 32

256MB

(2) 16MB x 32

(2) 16MB x 32

Note: It is not recommended that SIMMS and DIMMS be used together. If they are, use single-sided memory, and Bank 0 must be paired with Bank 2, and Bank 1 with Bank 3.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1MB x 64

None

16MB

(1) 1MB x 64

(1) 1MB x 64

16MB

(1) 2MB x 64

None

24MB

(1) 2MB x 64

(1) 1MB x 64

32MB

(1) 2MB x 64

(1) 2MB x 64

32MB

(1) 4MB x 64

None

40MB

(1) 4MB x 64

(1) 1MB x 64

48MB

(1) 4MB x 64

(1) 2MB x 64

64MB

(1) 4MB x 64

(1) 4MB x 64

64MB

(1) 8MB x 64

None

72MB

(1) 8MB x 64

(1) 1MB x 64

80MB

(1) 8MB x 64

(1) 2MB x 64

96MB

(1) 8MB x 64

(1) 4MB x 64

128MB

(1) 8MB x 64

(1) 8MB x 64

128MB

(1) 16MB x 64

None

136MB

(1) 16MB x 64

(1) 1MB x 64

144MB

(1) 16MB x 64

(1) 2MB x 64

160MB

(1) 16MB x 64

(1) 4MB x 64

192MB

(1) 16MB x 64

(1) 8MB x 64

256MB

(1) 16MB x 64

(1) 16MB x 64

Note: Board accepts both EDO and SDRAM.

DIMM VOLTAGE SELECTION

Voltage

JP3A

JP3B

 

5V

Pins 1 & 2 closed

Pins 1 & 2 closed

3.3V

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

Clock Speed

Multiplier

JP5A

JP5B

JP5C

JP5D

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

266MHz

66MHz

4x

Closed

Closed

Open

Closed

300MHz

66MHz

4.5x

Open

Closed

Open

Closed

333MHz

66MHz

5x

Closed

Open

Open

Closed

366MHz

66MHz

5.5x

Open

Open

Open

Closed