Acer 486 Manuel d'utilisateur télécharger pdf (Page 60)

Am486

Microprocessor PCI Customer Development Platform User’s Manual

2-30

Parallel Port (A22)

Figure 2-8 and Table 2-9 show the parallel port pinouts.

Figure 2-8. Parallel Port Socket (J4)

Table 2-9. Parallel Port Pin/Signal Table

Floppy Disk Drive (E20)

The PCI CDP’s Super I/O chip provides a floppy disk controller to support the

system’s floppy disk drive connector (part J6). Either a 5.25-inch or 3.5-inch floppy

disk drive can be installed with a standard 34-pin connector. For details, see “Board

Installation” on page 1-4.

Pin Signal

1STRB

2–9 PD0–PD7

10 ACK

11 BUSY

12 PE

13 SLCT

14 AFDT

15 ERROR

16 INIT

17 SLCTIN

18–25 GND

13 1

1425

Notes:

See Figure 2-3 on page 2-5 for connector locations.

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 109 110

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Acer 486 Manuel d'utilisateur Page 60