IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)
IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF) IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)
Table 9. Functions and Conditions of DIP Switch 2 Pin No. Function ON OFF Factory-set Condition 1 Not applicable - - ON 2 - - ON 3 AUTO FEED ~ Fixed internally Fixed Not fixed OFF XT signal Not fixed internally 4 Coding table select N.A. Standard OFF Parallel Interface Description (1) Specifications (a) Data transfer rate: 1000 CPS (max.) (b) Synchronization: By externally supplied STROBE pulses. (c) Handshaking: ACKNLG or BUSY signals. (d) Logic level: Input data and all interface control signals are compatible with the TTL level. ~ (2) Connector Plug: 57-30360 (AMPHENOL) (3) Connector pin assignment and descriptions of signals. Connector pin assignment and descriptions of respective interface signals are provided in Table (10) page 2-74. 2-73
Table 10. Connector Pin Assignment and Descriptions ofInterface Signals Signal Return Pin No. Pin No. 1 19 2 20 3 21 4 22 5 23 6 24 7 25 8 26 9 27 10 28 11 29 Signal STROBE DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 DATA 8 ACKNLG BUSY Direction In In In In In In In In In Out Out Description STROBE pulse to read data in. Pulse width must be more than O.5J.1S at receiving terminal. The signal level is normally "HIGH"; read·in of data is per· formed at the "LOW" level of this signal. These signals represent information of the 1st to 8th bits of parallel data respectively. Each signal is at "HIGH" level when data is logical "1" and "LOW" when logical "0". Approx .. 5J.1S pulse. "LOW" indicates that data has been received and that the printer is ready to accept other data. A "HIGH" signal indicates that the printer cannot receive data. The signal becomes "High" in the following cases: 1. During data entry 2. During printing operation 3. In OFF·LlNE state 4. During printer error status. 2-74
- Page 42 and 43: I/O Address Map HEX RANGE 9 8 7 6
- Page 44 and 45: System Memory Map X'OOOOO' 16 TO 6
- Page 46 and 47: System Memory Map Cont. START ADDR
- Page 48 and 49: 5-1/4" Diskette Drives Switch Setti
- Page 50 and 51: 32/64KB Memory Expansion Option Sw
- Page 52 and 53: Power Supply The system DC power su
- Page 54 and 55: N I ~ VI ) § I • \. ~ o el so.
- Page 56 and 57: IBM Monochrome Display and Parallel
- Page 58 and 59: System Channel Interface Lines Used
- Page 60 and 61: Programming Considerations Programm
- Page 62 and 63: • CRT Status Port (I/O Address '3
- Page 64 and 65: Color/Graphics Monitor Adapter The
- Page 66 and 67: CPU .. r-- ) ) ) DISPLAY ADDRESS BU
- Page 68 and 69: Modes of Operation There are two ba
- Page 70 and 71: IBM Monochrome Display Adapter V s.
- Page 72 and 73: Color selection is determined by th
- Page 74 and 75: 1"'"""""\ Table 5. I R G B Summary
- Page 76 and 77: Programming the Mode Control and St
- Page 78 and 79: Bit 5 When on, this bit will change
- Page 80 and 81: I/O Address and Bit Map Read/Write
- Page 82 and 83: Color/Graphics Monitor Adapter Auxi
- Page 84 and 85: Parallel Printer Adapter The Printe
- Page 86 and 87: Programming Considerations The Prin
- Page 88 and 89: Parallel Printer Adapter Interface
- Page 90 and 91: Table 7. Printer Specifications (1
- Page 94 and 95: Table 10. Connector Pin Assignment
- Page 96 and 97: (4) Data transfer sequence Fig. 17
- Page 98 and 99: ASCII Control Codes Control Codes V
- Page 100 and 101: (8) DC 2 (Device Control 2) The DC
- Page 102 and 103: (b) 3) ESC 2 (Escape 2) Receipt of
- Page 104 and 105: ehaves like the LF code. Therefore,
- Page 106 and 107: [DATA] IESCGI ABCDEFGHI [PRINT] ABC
- Page 108 and 109: 5 1/4-Inch Diskette Drive Adapter T
- Page 110 and 111: ~ Functional Description From a pro
- Page 112 and 113: The FOe is capable of performing 15
- Page 114 and 115: Table 13. Symbol Descriptions (cont
- Page 116 and 117: Command Summary (continued) DATA B
- Page 118 and 119: Command Summary (continued) DATA B
- Page 120 and 121: Table 15. Status Register I BIT NO.
- Page 122 and 123: Table 17. Status Register 3 BIT NO.
- Page 124 and 125: ~ ~ +AO-9 +AEN -lOW -lOR -DACK2 +T
- Page 126 and 127: Adapter Inputs -Index -Write Protec
- Page 128 and 129: 5-1/4" Diskette Drive Adapter Exter
- Page 130 and 131: (3) The write-protect sensor disabl
- Page 132 and 133: Memory Expansion Options Two Memory
- Page 134 and 135: Switch - Configurable Start Address
- Page 136 and 137: Game Control Adapter The Game Co
- Page 138 and 139: I/O Channel Description A9-AO: D7-D
- Page 140 and 141: ) ) ) 15 PIN MALE '0' SHELL c....t
Table 10. Connector Pin Assignment and Descriptions<br />
ofInterface Signals<br />
Signal Return <br />
Pin No. Pin No. <br />
1 19 <br />
2 20<br />
3 21<br />
4 22<br />
5 23<br />
6 24<br />
7 25<br />
8 26<br />
9 27<br />
10 28<br />
11 29<br />
Signal<br />
STROBE<br />
DATA 1<br />
DATA 2<br />
DATA 3<br />
DATA 4<br />
DATA 5<br />
DATA 6<br />
DATA 7<br />
DATA 8<br />
ACKNLG<br />
BUSY<br />
Direction<br />
In<br />
In<br />
In<br />
In<br />
In<br />
In<br />
In<br />
In<br />
In<br />
Out<br />
Out<br />
Description<br />
STROBE pulse to read <br />
data in. Pulse width <br />
must be more than <br />
O.5J.1S at receiving <br />
terminal. <br />
The signal level is <br />
normally "HIGH"; <br />
read·in of data is per· <br />
formed at the "LOW" <br />
level of this signal. <br />
These signals represent <br />
information of the <br />
1st to 8th bits of <br />
parallel data respectively.<br />
Each signal is <br />
at "HIGH" level when <br />
data is logical "1" and <br />
"LOW" when logical <br />
"0". <br />
Approx .. 5J.1S pulse. <br />
"LOW" indicates that <br />
data has been received <br />
and that the printer <br />
is ready to accept <br />
other data. <br />
A "HIGH" signal <br />
indicates that the <br />
printer cannot receive <br />
data. The signal <br />
becomes "High" in <br />
the following cases: <br />
1. During data entry<br />
2. During printing<br />
operation<br />
3. In OFF·LlNE state<br />
4. During printer error<br />
status.<br />
2-74
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