71 lines
2.6 KiB
Markdown
71 lines
2.6 KiB
Markdown
---
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layout: page
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title: "PC-DOS 0.90 (with CGA and Debugger)"
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permalink: /disks/pcx86/dos/ibm/0.90/debugger/
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machines:
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- type: pcx86
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id: ibm5150-pcdos090
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debugger: true
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config: /devices/pcx86/machine/5150/cga/256kb/debugger/machine.xml
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autoMount:
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A:
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path: /disks/pcx86/dos/ibm/0.90/PCDOS090.json
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---
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PC-DOS 0.90 (with CGA and Debugger)
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-----------------------------------
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There was no PC-DOS 0.90 product *per se*. It has been dubbed version 0.90 simply because it predates
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[PC-DOS 1.00](../1.00/) by several months. More information about this preliminary version of PC-DOS can
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be found at the [OS/2 Museum](http://www.os2museum.com/).
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Below is an IBM PC (Model 5150) with an original IBM ROM BIOS and Color (CGA) Display that will boot PC-DOS 0.90.
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A similar configuration with [Monochrome Display](/disks/pcx86/dos/ibm/0.90/) is also available.
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The machine is configured to run at 4.77Mhz, so the ROM BIOS memory test has been disabled,
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since a PC with 256Kb was rather slow to boot.
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{% include machine.html id="ibm5150-pcdos090" %}
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PC-DOS 0.90 files were distributed on one single-sided (160Kb) diskette. A directory listing of the disk is
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provided below.
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### Directory of PC-DOS 0.90 Diskette
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Volume in drive A has no label
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Directory of A:\
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COMMAND COM 2576 05-29-81 12:00a
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DEBUG COM 5450 05-27-81 12:00a
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TIME COM 243 05-19-81 12:00a
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DATE COM 245 05-20-81 12:00a
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ASM COM 6389 05-15-81 12:00a
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FORMAT COM 2048 05-29-81 12:00a
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HEX2BIN COM 483 05-07-81 12:00a
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BASIC COM 11008 06-04-81 12:00a
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CHKDSK COM 1224 05-30-81 12:00a
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EDLIN COM 2231 05-29-81 12:00a
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MODE COM 675
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COMMENTS 3561 06-05-81 12:00a
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MOVBAS COM 128 04-23-81 12:00a
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BAS18 COM 11008 06-04-81 12:00a
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BASICA COM 14976 06-04-81 12:00a
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AUTOEXEC BAT 24
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SYS COM 896 06-03-81 12:00a
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BAS18A COM 14976 06-04-81 12:00a
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COMMENTS BAK 3560 06-05-81 12:00a
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FCOMP COM 1408 04-13-81 12:00a
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DISKCOPY COM 1211 06-04-81 12:00a
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CONVERT COM 3200 04-15-81 12:00a
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COMP COM 256 04-15-81 12:00a
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KILO BAS 768 04-23-81 12:00a
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20HAL COM 1792 04-24-81 12:00a
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SPCWAR BAS 5120 05-22-81 12:00a
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TTY ASC 2432 05-22-81 12:00a
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VCOPY BAT 26 04-24-81 12:00a
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SHIPS MAC 1792 06-01-81 12:00a
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CIRCLE MAC 384 06-01-81 12:00a
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RBAS COM 32768 04-25-81 12:00a
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THREED BAS 3072
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CUBE DAT 402 04-30-81 12:00a
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33 file(s) 136332 bytes
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8192 bytes free
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