J-MARK COMPUTER CORPORATION

J-597A

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 686MX/IDT C6/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

90/100/120/133/150/166/180/200/233/266/300MHz

Chip Set

VIA VP3

Maximum Onboard Memory

384MB (EDO & SDRAM supported)

Cache

512/1024KB

BIOS

Unidentified

Dimensions

220mm x 170mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

PS/2 mouse interface

CN2

ATX power connector

ATX

Serial port 2

CN4

Turbo LED

C1

Serial port 1

CN5

Reset switch

C2

IDE interface 2

CN6

Speaker

C3

IDE interface 1

CN7

Turbo switch

C4

Floppy drive interface

CN8

Power LED & keylock

C5

Parallel port

CN9

IDE interface LED

C6

IR connector

IR1

Soft off power supply

C7

32-bit PCI slots

PC1 – PC4

CPU fan power

C8

USB connector

USB

CPU fan power

C9

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

J3

Pins 2 & 3 closed

 

CMOS memory clear

J3

Pins 3 & 4 closed

 

Flash BIOS voltage select 12v

JP1

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP1

Pins 2 & 3 closed

»

Factory configured - do not alter

JP2

Unidentified

SIMM CONFIGURATION

Size

Bank 0

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

Note: Board accepts EDO memory.

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

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

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

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

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) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M 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

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

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

512KB

(2) 32K x 64

(1) 32K x 8

1MB

(2) 64K x 64

(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

150MHz

60MHz

2x

On

Off

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

150MHz

60MHz

2x

On

Off

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

166MHz

60MHz

2.5x

On

On

Off

On

Off

Off

200MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

233MHz

66MHz

3x

Off

On

Off

Off

Off

Off

CPU SPEED SELECTION (IDT C6)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

150MHz

75MHz

2x

On

Off

Off

Off

On

Off

180MHz

60MHz

3x

Off

On

Off

On

Off

Off

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

90MHz

60MHz

1.5x

Off

Off

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

133MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

266MHz

66MHz

4x

On

Off

On

Off

Off

Off

300MHz

66MHz

4.5x

On

On

On

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

90MHz

60MHz

1.5x

Off

Off

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

Off

On

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

Off

On

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

U2/1

U2/2

U2/3

U2/4

U2/5

U2/6

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU VOLTAGE SELECTION

Voltage

J4/1

J4/2

J4/3

J4/4

Auto

Off

Off

Off

On

2.1v

On

Off

Off

Off

2.2v

Off

On

Off

Off

2.8v

Off

Off

Off

On

2.9v

On

Off

Off

On

3.2v

Off

Off

On

On

3.3v

On

Off

On

On

3.45v

Off

On

On

On

3.52v

On

On

On

On