AP440FX Motherboard Technical Product Specification

The pinout listing for the soft-off power supply connector of the AP440FX motherboard is shown in Table 15. This 3-pin, keyed position supports a software-controlled power supply shutoff (soft- off). When connected to this position, the power supply follows remote on/off commands.

Table 15. Soft-Off Power Supply Connector (J9F1)

Pin

1

2

3

Name

+5 VSB

PS_ON

PS_COM

Function

+5 Volts Standby

Remote On/Off

Supply presence

1.12.7Floppy/IDE Connectors

Table 16 lists the pinout and signal names for the floppy drive connector.

Table 16. Floppy Drive Connector (J8L1)

Pin

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

Signal Name

 

Pin

Ground

 

2

Ground

 

4

Key

 

6

Ground

 

8

Ground

 

10

Ground

 

12

Ground

 

14

Ground

 

16

MSEN1

 

18

Ground

 

20

Ground

 

22

Ground

 

24

Ground

 

26

MSEN0

 

28

Ground

 

30

Ground

 

32

Ground

34

 

 

 

Signal Name

DENSEL

Reserved

FDEDIN

Index#

Motor Enable A#

Drive Select B#

Drive Select A#

Motor Enable B#

DIR#

STEP#

Write Data#

Write Gate#

Track 00#

Write Protect#

Read Data#

Side 1 Select#

Diskette Change#

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Intel AP440FX Floppy/IDE Connectors, Soft-Off Power Supply Connector J9F1, Floppy Drive Connector J8L1, Pin Name

AP440FX specifications

The Intel AP440FX is a pivotal motherboard that was released in the late 1990s, designed to support the Intel Pentium II and Pentium III processors. Known for its robust performance and versatile functionalities, the AP440FX became a popular choice among computer enthusiasts and system builders during its time.

One of the defining features of the Intel AP440FX is its support for the Intel 440FX chipset. This chipset provided improved system performance through its use of a 66 MHz front-side bus, which allowed for faster data transfer between the CPU and the memory. The motherboard was equipped with two DIMM slots capable of supporting a maximum of 512 MB of SDRAM, providing users with the flexibility to choose the amount of memory they required for their applications.

Another notable characteristic of the AP440FX motherboard is its integrated support for various peripheral interfaces. It comes equipped with multiple ISA and PCI slots, allowing users to expand their system capabilities through the addition of various cards. The presence of two USB ports, which were relatively new at the time of its release, gave users access to a wider range of peripherals and external devices.

The Intel AP440FX also features an integrated IDE controller, enabling connection for hard drives and optical drives without the need for additional controller cards. This integrated solution simplified storage management for users and contributed to the overall efficiency of the system. The motherboard also supported SCSI through optional daughter cards, catering to users who required high-speed data transfer and reliable disk storage solutions.

Moreover, the AP440FX was designed with future upgrades in mind. Its BIOS supported plug-and-play installations, allowing users to easily configure new hardware components without extensive troubleshooting. Additionally, the ATX form factor of the motherboard contributed to its compatibility with a wide range of cases and power supplies.

In terms of power management, the Intel AP440FX incorporated advanced features such as ACPI (Advanced Configuration and Power Interface), which allowed for better power efficiency and management of power states. This feature was particularly beneficial for users looking to reduce energy consumption and improve the overall longevity of their systems.

All in all, the Intel AP440FX represented a significant advancement in motherboard technology during its era. Its combination of robust performance, upgradeability, and support for new technologies made it a popular choice for users looking to build powerful and efficient computing systems.