Compatibility Service Table - DIGITAL-LOGIC MICROSPACE PCC-P5 Technical User's Manual

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4.9.1.1 Compatibility Service Table

In order to ensure compatibility with industry-standard memory locations for interrupt service routines and
miscellaneous tabular data, the BIOS maintains tables and jump vectors.
Location Description
FE05Bh Entry Point for POST
FE2C3h Entry point for INT 02h (NMI service routine)
FE3FEh Entry point for INT 13h (Diskette Drive Services)
FE401h Hard Drive Parameters Table
FE6F1h Entry point for INT 19h (Bootstrap Loader routine)
FE6F5h System Configuration Table
FE739h Entry point for INT 14h (Serial Communications)
FE82Eh Entry point for INT 16h (Keyboard Services)
FE897h Entry point for INT 09h (Keyboard Services)
FEC59h Entry point for INT 13h (Diskette Drive Services)
FEF57h Entry point for INT OEh (Diskette Hardware Interrupt)
FEFC7h Diskette Drive Parameters Table
FEFD2h Entry point for INT 17h (Parallel Printer Services)
FF065h Entry point for INT 10h (CGA Video Services)
FF0A4h Video Parameter Table (6845 Data Table - CGA)
FF841h Entry point for INT 12h (Memory Size Service)
FF84Dh Entry point for INT 11h (Equipment List Service)
FF859h Entry point for INT 15h (System Services)
Location Description
FFA6Eh Video graphics and text mode tables
FFE6Eh Entry point for INT 1Ah (Time-of-Day Service)
FFEA5h Entry Point for INT 08h (System Timer Service)
FFEF3h Vector offset table loaded by POST
FFF53h Dummy Interrupt routine IRET Instruction
FFF54h Entry point for INT 05h (Print Screen Service)
FFFF0h Entry point for Power-on
FFFF5h BIOS Build Date (in ASCII)
FFFFEh BIOS ID
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PCCP5 Manual V2.3