Text preview for : CCS_2422B_Floppy_Controller_May81.pdf part of ccs CCS 2422B Floppy Controller May81 . Rare and Ancient Equipment ccs 2422 CCS_2422B_Floppy_Controller_May81.pdf



Back to : CCS_2422B_Floppy_Controll | Home

============= .'=::
OWNER'S MANUAL

Model 2422 -B
Floppy Disk (;ontroller
===='===========:===




1'-5 California Computer Syste~s=-. . . .-. .,__ "__, __ _
MODEL 2422

MULTIMODE FLOPPY DISK CONTROLLER

REFERENCE MANUAL




89000-02422
Rev B
Copyright 1981

California Computer Systems
250 Caribbean Drive
Sunnyvale, CA 94086
Copyright 1980 by California Computer Systems

All rights reserved. No part of this publication may be
reproduced in any form or by any means without express
permission of California Computer Systems.

The information contained in this manual is believed to
be correct at the time of publication. However, CCS
assumes no liability resulting from the use of this manual.

Z-80 is a registered trademark of Zilog, Inc.
CP/M is a registered trademark of Digital Research, Inc.


Publication History:

Revision A printed in August 1980
Revision B printed in May 1981
TABLE OF CONTENTS


1 . ~I INTRODUCTION

1.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 The 2422 and System Compatibility . . . . . . . . . . . . . . 1-2
1.3 Drive Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.4 Diskette Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.5 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7


2.0 USER OPTIONS

2.1 Auto Boot O,ption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 PerSci Drive Options . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 Options for System/Software Compatibility . . . . . . 2-5


3.~' INSTALLATION AND OPERATION

3.1 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Drive Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.4 Operation 3-8


4." THE 2422 ROM:-RESIDENT FIRMWARE

4.1 Cold-start Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 Page 0 RAM Used by Firmware . . . . . . . . . . . . . . . . . . . . 4-2
4.3 The Firmware Disk Routines . . . . . . . . . . . . . . . . . . . . . 4-2
4.4 The Monitor's I/O Routines . . . . . . . . . . . . . . . . . . . . . 4-4
4.5 The Bootstrap Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.6 The Monitor' . . . . . . . . . . . .