ADLINK Technology LitleBoard 800, Reference Manual

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Chapter 3 Hardware
20 Reference Manual LittleBoard 800
Floppy Drive Interface
The LPC47B272 chip provides the floppy controller and supports one floppy drive as configured. The
floppy signals are provided through the standard 34-pin connector (J17). The floppy controller will support a
360k, 720k, 1.2M, 1.44M, or 2.88M drive.
The floppy drive header has 34 pins, 2 rows, odd/even, (1, 2) with 0.100" pitch.
Parallel Port Interface
Parallel port supports standard parallel, Bi-directional, ECP and EPP protocols. The LPC47B272 provides
separate parallel port interface signals not shared with the floppy drive signals.
The parallel header uses 26 pins, 2 rows, odd/even, (1, 2), with 0.100" pitch.
0093-009F System reserved
00A0-00A1 Slave Interrupt Controller
00A2-00BF System reserved
00C0-00DF Slave DMA Controller #2
00E0-00EF System reserved
0F0-00FF Math Coprocessor
0170-0177 Secondary IDE Hard Disk Controller
01F0-01F7 Primary IDE Hard Disk Controller
0278-027F Parallel Printer
02E8-02EF Serial Port 4 (COM4)
02F8-02FF Serial Port 2 (COM2)
0376 Secondary IDE Disk Controller
0378-037F Parallel Port (Standard and EPP)
03B0-03BB Video (Monochrome)
03C0-03DF VGA
03E8-03EF Serial Port 3 (COM3)
03F0-03F5 Floppy Disk Controller
03F6 Primary IDE Disk Controller
03F7 Floppy Disk Controller
03F8-03FF Serial Port 1 (COM1)
04D0-04D1 Edge/Level Trigger PIC
0778-077F Parallel Port (ECP Extensions) (Port 378+400)
0CF8-0CFF PCI Configuration Registers
0CF9 Reset Control Resgister
Table 3-4. Parallel Interface Pin/Signal Descriptions (J16)
Pin # Signal In/Out Description
1 Strobe* Out Strobe* – This is an output signal used to strobe data into the printer.
I/O pin in ECP/EPP mode.
2 AFD* Out Auto Feed* – This is a request signal into the printer to automatically
feed one line after each line is printed.
Table 3-3. I/O Address Map (Continued)