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Programmer's Guide PcOS Series 150 Communications
Parallel Port
12/14/99 Rev G Page 115
Parallel Port Plug and Play
Microsoft Windows implements Plug and Play (PnP) by doing an IEEE 1284 inquire during boot.
The Series 150 Printer will respond to this inquire if IEEE 1284 is active.
If the Windows PnP configuration flag is set in the printer, IEEE 1284 will be active for all
parallel port modes. For example, Windows PnP in parallel mode forces IEEE 1284. For PnP to
work, the host must have an IEEE 1284-compatible port adapter, and the cable used to connect to
the printer must support all the interface signals. The PnP response follows.
Device ID string:
MFG: Ithaca-Periph.;CMD:M150CL,IPCL;CLS:PRINTER;MDL S150 PcOS;DES:Ithaca-
Peripherals Series 150;REV:01.13;OPTS;$5xyz
PnP ID: LPTENUM\Ithaca-Periph.S150_PcECB3
Device Description: Ithaca-Peripherals Series 150
Device Class: PRINTER
The OPTS field is always as follows: OPTS;$5XYZ
Where X is a model definition, X and Y are bit fields that designate the options attached to the
printer.
Y X
Bit 0 → Alternate print zone Bit 0 → Slip capability
Bit 1 → Undefined Bit 1 → Knife module attached
Bit 2 → Undefined Bit 2 → MICR module attached
Bit 3 → 0 Bit 3 → 0
Bits 4-5 → 1 Bits 4-5 → 1
Bits 6-7 → 0 Bits 6-7 → 0
The REV filed is the revision of the software installed in the printer.