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FT//ex (J3) Motherboard (Rev 1.3.8)

 

 



RAM Configuration

The motherboard comes with either 4 or 8MB. SIMMs used are 72-pin 80ns. It supports 4MB, 16MB, and 64MB single-density SIMMs, and 8MB, 32MB double-density SIMMs

Using 486 CPU Board

Memory Configurations Using Single-Density SIMMs.

Bank 0

Bank 1

Bank 2

Bank 3

Total

4MB

4MB

4MB

4MB

8MB

4MB

4MB

4MB

12MB

4MB

4MB

4MB

4MB

16MB

16MB

16MB

4MB

16MB

20MB

4MB

4MB

16MB

24MB

4MB

16MB

4MB

24MB

4MB

4MB

16MB

4MB

28MB

4MB

16MB

4MB

4MB

28MB

16MB

16MB

32MB

4MB

16MB

16MB

36MB

16MB

16MB

4MB

36MB

4MB

4MB

16MB

16MB

40MB

4MB

16MB

16MB

4MB

40MB

16MB

16MB

4MB

4MB

40MB

16MB

16MB

16MB

48MB

4MB

16MB

16MB

16MB

52MB

16MB

16MB

16MB

4MB

52MB

16MB

16MB

16MB

16MB

64MB

64MB 64MB
4MB 4MB 64MB 72MB
16MB 64MB 80MB
4MB 16MB 64MB 84MB
16MB 64MB 4MB 84MB
4MB 4MB 16MB 64MB 88MB
16MB 64MB 4MB 4MB 88MB
16MB 16MB 64MB 96MB
16MB 64MB 16MB 96MB
4MB 16MB 16MB 64MB 100MB
16MB 64MB 16MB 4MB 100MB
16MB 16MB 16MB 64MB 112MB
16MB 64MB 16MB 16MB 112MB
64MB 64MB 128MB
64MB 64MB 4MB 132MB
4MB 4MB 64MB 64MB 136MB
64MB 64MB 4MB 4MB 136MB
16MB 64MB 64MB 144MB
64MB 64MB 16MB 144MB
4MB 16MB 64MB 64MB 148MB
64MB 64MB 16MB 4MB 148MB
16MB 16MB 64MB 64MB 160MB
16MB 64MB 16MB 64MB 160MB
64MB 64MB 16MB 16MB 160MB
64MB 64MB 64MB 192MB
16MB 64MB 64MB 64MB 208MB
64MB 64MB 16MB 64MB 208MB
64MB 64MB 64MB 64MB 256MB

 Using 486 CPU Board

Memory Configurations Using Double-Density SIMMs.

Bank 0

Bank 1

Bank 2

Bank 3

Total

8MB

8MB

8MB

8MB

16MB

32MB

32MB

32MB

32MB

64MB

NOTE: You can only utilise SIMM sockets 0 and 1 when using double-density SIMMs 

Using Pentium CPU Board

System Board

Pentium CPU Board

Bank 0

Bank 1 Bank 2

Bank 3

Total RAM

4MB

4MB

8MB

4MB

4MB

4MB

4MB

16MB

4MB

4MB

8MB

8MB

24MB

4MB

4MB

4MB

4MB

4MB

4MB

4MB

4MB

32MB

4MB

4MB

8MB

8MB

16MB

16MB

56MB

8MB

8MB

8MB

8MB

8MB

8MB

8MB

8MB

64MB

4MB

4MB

8MB

8MB

16MB

16MB

32MB

32MB

120MB

16MB

16MB

16MB

16MB

16MB

16MB

16MB

16MB

128MB

32MB

32MB

32MB

32MB

32MB

32MB

32MB

32MB

256MB

NOTE: Always fill Bank 0 first before using any other banks. Each Bank must contain the same type of SIMM in both sockets. The system memory can be upgraded using any combination of supported SIMMs. SETUP must be run after installing additional memory.

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Hard Drives

MB Make Model Type Part Number
525 Quantum LPS 525 S SCSI XB52674
540 Quantum LPS 540 S SCSI
1,000 IBM 0662 S12 SCSI XB52689
2,000 Seagate ST12550N SCSI
2,000 IBM DFHS S2F SCSI SU54096
5,000 IBM DFHS S5F SCSI SU54099
Tape
150 Archive Viper150 SCSI SU52602
525 Archive Viper525 SCSI SU52601
2-8GB Archive DDS-DC SCSI SU52593
Floppy
Panasonic 5.25" SU52600
CD-ROM
Sony CDU561 SCSI SU52732
Sony CDU55S SCSI SU54072

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Ethernet Options

IBM Token Ring LAN Card XB42148
3Com Ethernet card, thin/thick (3C503) XB50902
3Com Ethernet card, UTP/thick (3C503B-TP) XB50901
3Com AUI to UTP Transceiver (3C583) XB50900
3Com EISA Ethernet card, (3C579) XB52462

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Jumper Settings

FT//ex MOTHERBOARD JUMPER SETTINGS

1 - Serial 2 6 - Power Connector 2 11 - EISA Slots
2 - Serial 1 7 - SCSI Connectors 12 - Keyboard Controller
3 - Fixed Disk Drive Connector 8 - CPU Board Slot 13 - PS/2 Mouse
4 - Power Connector 2 9 - VESA Local Bus Slots 14 - PS/2 Keyboard
5 - SIMM Sockets 10 - BIOS 15 - Parallel Port

SCSI

JP1, JP2 Open With SCSI
  Closed Without SCSI

High Speed Write for Local Bus

JP3 1 - 2 0 min wait
  2 - 3 1 min wait

CPU Speed Select for VESA Local Bus

JP4 1 - 2 <= 33 MHz
  2 - 3 > 33 MHz

JP5

JP5 Open Reserved

Security

JP6 1 - 2 Security Enable
  2 - 3 Security Disable

Reset Button

JP7 Closed Reset Enable
  Open Reset Disable

IRQ Select

JP8 1 - 2 IRQ 10
  2 - 3 IRQ 11

Buzzer / Speaker Select

JP9 1 - 2 Onboard Buzzer
  2 - 3 External Speaker

RTC Select

Jumper Dallas B.M.
JP10 2 - 3 1 - 2
JP11 2 - 3 1 - 2
JP12 2 - 3 1 - 2
JP13 2 - 3 1 - 2

486 CPU BOARD JUMPER SETTINGS

CPU Clock Frequency Setting

JP1 Open 25 MHz (DX2-50)
    33 MHz (DX2-66)
  Closed 40 MHz
    50 MHz
JP2 Open 25 MHz (DX2-50)
    40 MHz
  Closed 33 MHz (DX2-66)
    50 MHz

PGA CPU Type Setting

JP4 Open 486DX, 486DX2
  1 - 2 486SX
  2 - 3 487SX, ODP 486SX, P24T

LADS Setting for VESA Local Bus (Master Support)

JP3 1 - 2 33 MHz
  2 - 3 50 MHz

Local Bus Enabling

JP10 1 - 2 Disable
  2 - 3 Enable

System Speed

JP8 1 - 2 25 MHz, 33 MHz
  2 - 3 40 MHz, 50 MHz
JP9 1 - 2 25 MHz, 40 MHz
  2 - 3 33 MHz, 50 MHz

SRAM (cache) Size

JP11, JP19 Open 64 KB
  Closed 128 KB, 256 KB, 1 MB
JP12, JP20 Open 64 KB, 128 KB
  Closed 256 KB, 1 MB
JP13, JP14, JP18 Open 64 KB, 128 KB, 256 KB
  Closed 1 MB

SRAM (cache) Type

JP15, JP16 1 - 2 Single Bank
  2 - 3 Double Bank

CPU Speed Selection for VESA Local Bus

JP17 1 - 2 - 3 - 4 < 33 MHz
  2 - 3 > = 33 MHz

 

PENTIUM CPU BOARD JUMPER SETTINGS

F2xpentb.gif (17476 bytes)

Oscillator Frequency

JP1 1 - 2 33 / 50 / 80 MHz
  2 - 3 40 / 66 MHz
JP2 1 - 2 33 / 66 / 80 MHz
  2 - 3 40 / 50 MHz
JP3 1 - 2 40 / 50 / 66 / 80 MHz
  2 - 3 33 MHz

Local Bus

JP4 1 - 2 Enable
  2 - 3 Disable

SRAM (Cache) Type

JP8 1 - 2 Single Bank
  2 - 3 Double Bank
JP9 1 - 2 Single Bank
  2 - 3 Double Bank

SRAM (Cache) Size

JP10, JP13 Open 128 KB
  Closed 256 KB, 512 KB, 1 MB
JP11, JP14 Open 128 KB, 256 KB
  Closed 512 KB, 1 MB
JP12, JP15 Open 128 KB, 256 KB, 512 KB
  Closed 1 MB

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Additional Options

AdLOC Security Card

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Rear Panel

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CMOS Discharge

There is no method of draining CMOS on this motherboard. You can access the Setup configuration values by pressing Ctrl-Alt-Esc.

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Interrupts, Memory & I/O Ports

Interrupts (IRQ)

Interrupts

Default Function

Notes

IRQ 0

System

This cannot be used by an expansion card.

IRQ 1

Keyboard controller

This cannot be used by an expansion card.

IRQ 2

Slave interrupt cont.

This cannot be used at the same time as IRQ9.

IRQ 3

Serial port 2

Available if this feature is disabled in SETUP.

IRQ 4

Serial port 1

Available if this feature is disabled in SETUP.

IRQ 5

Not used

 

IRQ 6

Floppy disk controller

Available if this feature is disabled in SETUP.

IRQ 7

Parallel port

IRQ 7 is not normally used, and can be used by expansion cards

IRQ 8

Real time clock

This cannot be used by an expansion card.

IRQ 9

Not used

 

IRQ 10

Not used

 

IRQ 11

Not used

 

IRQ 12

Mouse

This cannot be used by an expansion card.

IRQ 13

Co processor

This cannot be used by an expansion card.

IRQ 14

Hard disk controller

Available if this feature is disabled in SETUP.

IRQ 15

Not used

 

 

Memory Map

 

I/O Ports

I/O ports (Hex)

Used by

000 - 01F

DMA controller 1

020 - 027

Interrupt controller 1

030 - 037

Interrupt controller 1

040 - 047

System timer

050 - 057

System timer

060 - 06F

Keyboard controller

070 - 07F

Real time clock, NMI mask

080 - 09F

DMA page register

0A0 - 0BF

Interrupt controller 2

0C0 - 0DF

DMA controller 2

0F0

Clear math coprocessor

0F1

Reset coprocessor

0F8 - 0FF

Math coprocessor

1F0 - 1F7

Hard drive controller

278 - 27F

Parallel port 2

2F8 - 2FF

Serial port 2

378 - 37F

Parallel port 1

3B0 - 3BF

Monochrome display

3C0 - 3CF

EGA, VGA, SVGA

3D0 - 3DF

CGA, VGA, SVGA

3F0 - 3F7

Floppy disk controller

3F7 - 3FF

Serial port 1

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Computing for a Connected World