ABIT COMPUTER CORPORATION

IT5H

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Power LED & keylock

PN1 pins 1 - 5

Serial port 2

CN2

IDE interface LED

PN1 pins 7 & 8

Serial port 1

CN3

Standby connector

PN1 pins 10 & 11

Floppy drive interface

CN4

Green PC connector

PN1 pins 13 & 14

IDE interface 2

CN5

Reset switch

PN2 pins 1 & 2

IDE interface 1

CN6

Speaker

PN2 pins 4 - 7

PS/2 mouse interface

CN7

Turbo LED

PN2 pins 9 & 10

IR connector

IR

Turbo switch

PN2 pins 12 - 14

Chassis fan power

FAN

Cache slot

SL1

Power control connector

JS1

USB connector

USB

32-bit PCI slots

PC1 – PC4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

CMOS

Pins 1 & 2 closed

 

CMOS memory clear

CMOS

Pins 2 & 3 closed

»

Factory configured - do not alter

JS1

Unidentified

DIMM/DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

8MB

None

None

(1) 1M x 64

None

16MB

(2) 2M x 36

None

None

None

16MB

None

None

(1) 2M x 64

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

16MB

(2) 1M x 36

None

None

(1) 1M x 64

16MB

None

None

(1) 1M x 64

(1) 1M x 64

24MB

None

(2) 2M x 36

(1) 1M x 64

None

24MB

(2) 2M x 36

None

None

(1) 1M x 64

32MB

(2) 4M x 36

None

None

None

32MB

None

None

(1) 4M x 64

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

32MB

(2) 2M x 36

None

None

(1) 2M x 64

32MB

None

None

(1) 2M x 64

(1) 2M x 64

40MB

(2) 4M x 36

(2) 1M x 36

None

None

40MB

None

(2) 4M x 36

(1) 1M x 64

None

48MB

None

(2) 2M x 36

(1) 4M x 64

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

48MB

None

(2) 4M x 36

(1) 2M x 64

None

64MB

(2) 8M x 36

None

None

None

64MB

None

None

(1) 8M x 64

None

DIMM/DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(2) 4M x 36

(2) 4M x 36

None

None

64MB

(2) 4M x 36

None

None

(1) 4M x 64

64MB

None

None

(1) 4M x 64

(1) 4M x 64

72MB

(2) 8M x 36

(2) 1M x 36

None

None

72MB

(2) 8M x 36

None

None

(1) 1M x 64

80MB

None

(2) 2M x 36

(1) 8M x 64

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

80MB

(2) 8M x 36

None

None

(1) 2M x 64

96MB

(2) 4M x 36

(2) 8M x 36

None

None

96MB

None

(2) 4M x 36

(1) 8M x 64

None

96MB

(2) 8M x 36

None

None

(1) 4M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 8M x 36

None

None

(1) 8M x 64

128MB

None

None

(1) 8M x 64

(1) 8M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

None

136MB

(2) 16M x 36

(2) 1M x 36

None

None

144MB

(2) 16M x 36

(2) 2M x 36

None

None

160MB

(2) 16M x 36

(2) 4M x 36

None

None

192MB

(2) 16M x 36

(2) 8M x 36

None

None

256MB

(2) 32M x 36

None

None

None

256MB

(2) 16M x 36

(2) 16M x 36

None

None

264MB

(2) 32M x 36

(2) 1M x 36

None

None

272MB

(2) 32M x 36

(2) 2M x 36

None

None

288MB

(2) 32M x 36

(2) 4M x 36

None

None

320MB

(2) 32M x 36

(2) 8M x 36

None

None

384MB

(2) 32M x 36

(2) 16M x 36

None

None

512MB

(2) 32M x 36

(2) 32M x 36

None

None

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks 0 & 1, 2 & 3 are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

SL1

256KB (A)

(2) 32K x 32

Not installed

256KB (B)

None

256KB module installed

512KB (A)

(2) 32K x 32

256KB module installed

512KB (B)

None

512KB module installed

512KB (C)

(2) 64K x 32

Not installed

CACHE JUMPER CONFIGURATION

Size

JC1

None

Open

256KB (A)

Open

256KB (B)

Open

512KB (A)

Closed

512KB (B)

Open

512KB (C)

Closed

CPU SELECTION

Note: CPU speed and voltage configurations are set through the BIOS in the CPU Soft Menu.