Texas Instruments DS10 Installation And Operation Manual page 6

~-------
'iY'
946261-9701
Paragraph
2.4.8.3
2.4.8.4
2.5
3.1
3.2
3.3
3.4
3.4.1
3.4.2
3.4.2.1
3.4.2.2
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.9.1
3.5.9.2
3.5.9.3
3.5.9.4
3.5.9.5
3.5.9.6
3.5.9.7
3.5.9.8
3.6
3.6.1
3.6.2
3.6.2.1
3.6.2.2
3.6.2.3
3.6.2.4
3.6.2.5
3.6.2.6
3.6.2.7
3.6.2.8
TABLE OF CONTENTS (Continued)
Tide
Page
Disk Cartridge Removal ..................................................... 2-56
Removal of Disk Cartridge Following Power Failure or for Emergency ............. 2-58
System Operational Checkout .................................................... 2-59
SECTION 3. PROGRAMMING
General ........................................................................ 3-1
Programming the Disk Controller ................................................. 3-1
Command Control ...................................................... , ....... 3-1
Command Completion ........................................................... 3-1
Command Completion without Interrupts ........................................ 3-3
Command Completion with Interrupts ........................................... 3-3
Command Completion Interrupts .............................................. 3-3
Seek and Restore Completion Interrupts ........................................ 3-3
Control Words Content and Formats ............................................... 3-3
Disk Status, Control Word 0 , ................................................... 3-3
Command Control, Control Word 1 ............................................. 3-4
Format and Sector, Control Word 2 .............................................. 3-5
Cylinders, Control Word 3 ..................................................... 3-6
Word Count, Control Word 4 ................................................... 3-6
LSB Memory Address, Control Word 5 ........................................... 3-7
Unit Select and MSB Memory Address, Control Word 6 ............................. 3-7
Interrupt and Controller Status, Control Word 1 ................................... 3-8
Disk Commands ............................................................. 3-10
Store Registers Command ................................................... 3-10
Write Format Command .................................................... 3-10
Read Data Command ....................................................... 3-12
Write Data Command ...................................................... 3-13
Read Unformatted Command ................................................ 3-14
Unformatted Write Command ............................................... 3-15
Seek Command ............................................................ 3-15
Restore Command ......................................................... 3-15
Formats and DefInitions ........................................................ 3-16
Definition of Terms .......................................................... 3-16
Sector Format ............................................................... 3-16
Gap 1 .................................................................... 3-11
Synchronization (Sync) Character ............................................ 3-17
Identification (ID) Words ................................................... 3-11
Error Detection Code (EDC) Number 1 ........................................ 3-18
Gap2 ..................................................................... 3-18
Data ..................................................................... 3-18
Error Detection Code (EDC) Number 2 ........................................ 3-18
Gap 3 .................................................................... 3-18
SECTION 4. OPERATION
4.1 General ........................................................................ 4-1
4.2 Controls and Indicators .......................................................... 4-1
4.2.1 Ac Circuit ·Breaker ............................................................ 4-1
vi
Digital Systems Division