. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table A-9

Expansion Connector

30

60

90

120

1

31

61

91

Pin

Signal

Pin

Signal

 

 

 

 

 

 

1

Video - Green Gun

26

Signal Ground

 

2

Video - Blue Gun

27

Signal Ground

 

3

Video - Horizontal Sync

28

Audio Signal from CD Drive - Left Channel

 

4

Video - Vertical Sync

29

MIDI Serial Input

 

5

Convenience Base ID

30

MIDI Serial Output

 

6

Convenience Base ID

31

+5V Supply - Off when in Suspend

 

7

Convenience Base ID

32

Video - Red Gun

 

8

Convenience Base ID

33

Signal Ground

 

9

Convenience Base ID

34

Signal Ground

 

10

Convenience Base ID

35

Signal Ground

 

11

Convenience Base ID

36

Printer Strobe

 

12

Convenience Base ID

37

Signal Ground

 

13

Convenience Base ID

38

Printer Auto-Line Feed

 

14

Printer Acknowledge

39

IRQ from Convenience Base NIC

 

15

Printer Busy

40

Printer Error

 

16

Printer Paper Error

41

Ground

 

17

Serial Port Receive Data

42

Printer Initialize

 

18

Serial Port Transmit Data

43

Ground

 

19

Serial Port Data Set Ready

44

Printer Select In

 

20

Serial Port Clear to Send

45

Ground

 

21

External Keyboard Data Line

46

Printer Select

 

22

External Keyboard Clock Line

47

Serial Port Carrier Detect

 

23

Game Port - SWA

48

Serial Port Data Terminal Ready

 

24

Game Port - SWB

49

Serial Port Request to Send

 

25

MCD Dock

50

Serial Port Ring Indicator

 

 

 

 

 

* Active Low

 

 

 

 

 

 

 

 

 

 

 

Continued

 

A-4 Connector Pin Assignments

Page 182
Image 182
Compaq 4130T, 4150T, 4140T, 4131T, 4200, 4125T, 4160T SLIMLINE, 4125D, 4115, 4120T, 4110D manual Table A-9 Expansion Connector

4130T, 4200, 4115, 4150, 4131T specifications

The Compaq 4160T Slimline, along with its variants – 4125D, 4150, 4120T, and 4150T – represents a series of personal computers that were engineered during the early 1990s. These systems were particularly popular for their compact design and efficient performance, catering to both individual users and businesses seeking reliable computing solutions.

The Compaq 4160T Slimline was designed with portability in mind. It featured a slim form factor that allowed it to fit easily into limited spaces, making it an ideal choice for environments where desk space was at a premium. One of the standout characteristics of the 4160T was its lightweight design, which aided in ease of transport.

The 4125D variant was notable for its robust performance capabilities. It utilized an Intel 486 processor, which provided enhanced processing power for multitasking and running memory-intensive applications. The system came equipped with an array of RAM options and upgradable storage, making it adaptable to various user needs.

The Compaq 4150 and 4150T models built upon the strong foundation of their predecessors, offering improved specifications. These models supported a greater range of peripheral devices, including external drives, printers, and modems, thanks to their extensive connectivity options. The 4150T further featured advanced graphics capabilities, making it suitable for light gaming and multimedia tasks.

The 4120T targeted users who prioritized a balance between performance and cost. With its value-driven design, this model provided essential computing features and was often utilized in educational settings and small offices. Its reliability and ease of use made it a favored choice for individuals who required straightforward functionality.

All models in this series showcased Compaq's commitment to innovation, featuring technologies such as integrated memory management and support for DOS-based applications. Additionally, the systems were equipped with customizable options, allowing users to choose specific configurations that best suited their unique requirements.

In summary, the Compaq 4160T Slimline and its counterparts presented a solution that combined compact design with practical performance. Their legacy continues to remind us of the evolution of personal computing and the foundational role that systems like these played in the development of modern PCs. These models represented a bridge between earlier computing technology and the more sophisticated devices that followed, paving the way for advancements in the industry.