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TURBOEXPRESS 686SP Motherboard Settings and Configuration






GENOA SYSTEMS CORPORATION

TURBOEXPRESS 686SP

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

384MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

AMI

Dimensions

305mm x 244mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Green PC connector

J21/pins 6 & 16

Serial port 1

J1

Soft off power supply

J21/pins 7 & 17

PS/2 mouse port

J4

Turbo LED

J21/pins 8 & 18

Parallel port

J6

Reset switch

J21/pins 9 & 19

Serial port 2

J7

IDE interface LED

J21/pins 10 & 20

Floppy drive interface

J8

Power LED & keylock

J21/pins 11 - 15

USB connector

J9

IR connector

J22

USB connector

J10

Power on/off switch

JP17

IDE interface 2

J11

Chassis fan power

JP27

IDE interface 1

J12

32-bit PCI slots

PC1 – PC4

Speaker

J21/pins 1 - 4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured – do not alter

J3

Unidentified

»

CMOS memory normal operation

JP19

Open

 

CMOS memory clear

JP19

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

16MB

(2) 2M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 1M x 36

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

72MB

(2) 1M x 36

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

None

80MB

(2) 2M x 36

(2) 4M x 36

(2) 4M x 36

80MB

(2) 2M x 36

(2) 8M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

None

136MB

(2) 1M x 36

(2) 8M x 36

(2) 8M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

144MB

(2) 2M x 36

(2) 8M x 36

(2) 8M x 36

160MB

(2) 4M x 36

(2) 8M x 36

(2) 8M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

None

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

150MHz

60MHz

2.5x

On

Off

On

Off

166MHz

66MHz

2.5x

Off

On

Off

On

180MHz

60MHz

3x

On

Off

On

Off

200MHz

66MHz

3x

Off

On

Off

On

CPU SPEED SELECTION (CON’T)

CPU speed

Clock speed

Multiplier

SW2/1

SW2/2

SW2/3

SW2/4

150MHz

60MHz

2.5x

Off

On

On

On

166MHz

66MHz

2.5x

Off

On

On

On

180MHz

60MHz

3x

On

Off

On

On

200MHz

66MHz

3x

On

Off

On

On








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