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AI5TH (VER. 1.0E)

TMC RESEARCH CORPORATION

AI5TH (VER. 1.0E)

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot, IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

USB connector 1

J6

Speaker

J20/pins 1 & 4

Serial port 1

J7

Green PC connector

J20/pins 6 & 16

USB connector 2

J8

Turbo LED

J20/pins 8 & 18

Serial port 2

J9

Reset switch

J20/pins 9 & 19

Floppy drive interface

J12

IDE interface LED

J20/pins 10 & 20

Parallel port

J13

Power LED & keylock

J20/pins 11 & 15

IDE interface 1

J15

32-bit PCI slots

PC1 PC4

IDE interface 2

J16

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

Flash BIOS voltage select 5v

JP7

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP7

Pins 1 & 2 closed

PCI CLK select /4

JP13

Closed

 

PCI CLK select /3

JP13

Open

CMOS memory normal operation

JP17

Open

 

CMOS memory clear

JP17

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1Mx 32

None

16MB

(2) 2Mx 32

None

16MB

(2) 1Mx 32

(2) 1Mx 32

24MB

(2) 2Mx 32

(2) 1Mx 32

32MB

(2) 4Mx 32

None

32MB

(2) 2Mx 32

(2) 2Mx 32

40MB

(2) 4Mx 32

(2) 1Mx 32

48MB

(2) 4Mx 32

(2) 2Mx 32

64MB

(2) 8Mx 32

None

64MB

(2) 4Mx 32

(2) 4Mx 32

72MB

(2) 8Mx 32

(2) 1Mx 32

80MB

(2) 8Mx 32

(2) 2Mx 32

96MB

(2) 8Mx 32

(2) 4Mx 32

128MB

(2) 8Mx 32

(2) 8Mx 32

128MB

(2) 16Mx 32

None

136MB

(2) 16Mx 32

(2) 1Mx 32

144MB

(2) 16Mx 32

(2) 2Mx 32

192MB

(2) 16Mx 32

(2) 8Mx 32

256MB

(2) 16Mx 32

(2) 16Mx 32

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: The cache configuration is unidentified.

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP10

JP11

JP12

120MHz

50MHz

2x

Closed

Closed

Closed

Closed

Open

133MHz

55MHz

2x

Closed

Open

Open

Closed

Open

150MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

166MHz

66MHz

2x

Open

Closed

Open

Closed

Open

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP10

JP11

JP12

75MHz

50MHz

1.5x

Closed

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Open

Closed

Open

Open

Open

120MHz

60MHz

1.5x

Closed

Open

Closed

Open

Open

133MHz

66MHz

1.5x

Open

Closed

Open

Open

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Open

Closed

Closed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP10

JP11

JP12

75MHz

50MHz

1.5x

Closed

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Open

Closed

Open

Open

Open

120MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

133MHz

66MHz

2x

Open

Closed

Open

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Open

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Open

Open

Closed

CPU VOLTAGE SELECTION

Voltage

JP14

JP19

Single

Closed

Open

Dual

Open

Closed

DMA CHANNEL SELECTION

Channel

JP3

JP4

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 SELECTION

Setting

JP1

JP2

 

Used as COM2

Pins 1 & 2 closed

Pins 1 & 2 closed

Used as IR connector

Pins 2 & 3 closed

Pins 2 & 3 closed