Input/Output Interfaces

These systems use a standard 34-pin connector for diskette drives (refer to Figure 5-2 and Table 5-2 for the pinout). Drive power is supplied through a separate connector.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

4

 

6

 

8

 

10

 

12

 

14

 

16

 

18

 

20

 

22

 

24

 

26

 

28

 

30

 

32

 

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

5

 

7

 

9

 

11

 

13

 

15

 

17

 

19

 

21

 

23

 

25

 

27

 

29

 

31

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 5-2. 34-Pin Diskette Drive Connector (P10 on system board).

Table 5-2.

34-Pin Diskette Drive Connector Pinout

Pin

Signal

Description

Pin

Signal

Description

 

 

 

 

 

 

1

GND

Ground

18

DIR-

Drive head direction control

 

 

 

 

 

 

2

LOW DEN-

Low density select

19

GND

Ground

 

 

 

 

 

 

3

---

(KEY)

20

STEP-

Drive head track step cntrl.

 

 

 

 

 

 

4

MEDIA ID-

Media identification

21

GND

Ground

 

 

 

 

 

 

5

GND

Ground

22

WR DATA-

Write data

 

 

 

 

 

 

6

DRV 4 SEL-

Drive 4 select

23

GND

Ground

 

 

 

 

 

 

7

GND

Ground

24

WR ENABLE-

Enable for WR DATA-

 

 

 

 

 

 

8

INDEX-

Media index is detected

25

GND

Ground

 

 

 

 

 

 

9

GND

Ground

26

TRK 00-

Heads at track 00 indicator

 

 

 

 

 

 

10

MTR 1 ON-

Activates drive motor

27

GND

Ground

 

 

 

 

 

 

11

GND

Ground

28

WR PRTK-

Media write protect status

 

 

 

 

 

 

12

DRV 2 SEL-

Drive 2 select

29

GND

Ground

 

 

 

 

 

 

13

GND

Ground

30

RD DATA-

Data and clock read off disk

 

 

 

 

 

 

14

DRV 1 SEL-

Drive 1 select

31

GND

Ground

 

 

 

 

 

 

15

GND

Ground

32

SIDE SEL-

Head select (side 0 or 1)

 

 

 

 

 

 

16

MTR 2 ON-

Activates drive motor

33

GND

Ground

 

 

 

 

 

 

17

GND

Ground

34

DSK CHG-

Drive door opened indicator

 

 

 

 

 

 

 

Technical Reference Guide

www.hp.com

5-5

Page 55
Image 55
HP dc5850 manual Pin Diskette Drive Connector Pinout, Pin Signal Description

dc5850 specifications

The HP dc5850 is a desktop computer that was designed for business environments, offering a blend of performance, reliability, and efficiency. Released during the height of the mid-2000s, this system is powered by AMD processors, particularly the Athlon or Phenom series, which ensures that it can handle various computational tasks with ease.

The dc5850 features a compact chassis that adheres to the Microtower form factor. This design not only saves space but also allows for easier upgrades and maintenance. The unit typically supports a range of RAM configurations, with options for up to 8GB of DDR2 memory. This flexibility enables the user to tailor the system's performance according to their needs, whether for basic office tasks or more demanding applications.

Storage options on the HP dc5850 include a 3.5-inch HDD that can accommodate substantial data, with capacities typically ranging from 160GB to 1TB. The inclusion of a SATA interface ensures fast data transfer rates, which is essential for improving overall system performance. Moreover, the dc5850 boasts multiple USB ports, including USB 2.0 and sometimes even USB 3.0, facilitating easy connectivity with peripherals such as printers, scanners, and external drives.

Graphics capabilities on the dc5850 are generally provided by integrated solutions, although users have the option to add discrete graphics cards for enhanced performance in visual tasks. The system often comes with integrated audio, which supports basic multimedia needs without requiring additional sound cards.

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Overall, the HP dc5850 stands out as a versatile desktop solution, catering to the essential needs of small to medium-sized businesses. With its combination of performance, expandability, and energy efficiency, it remains a noteworthy choice for users seeking reliable computing power in a compact and manageable form.