DOS Days

Diagnostic Utilities

Vendor-Specific

Product Version Year of Release Comments Download
AST Advanced Diagnostics 2.23 1991 AST Advanced Diagnostics, from AST Research, is a systems diagnostic tool designed primarily for use on AST computers. To run it properly, you must boot the disk image. Click
IBM PC Diagnostics 1.00 1981 The IBM Personal Computer DIAGNOSTICS 1.00 (Part number 6172230) is the original diagnostic disk supplied with IBM PC computers alongside DOS 1.00. Contains one 160k floppy disk image. Click
IBM PC Diagnostics 1.02 1982 The IBM Personal Computer DIAGNOSTICS 1.02 disk (Part number 6081552) is the diagnostic disk supplied with IBM PC Model 5150 Guide to Operations, First Edition Revised April 1982. This software is intended for use only on genuine IBM PCs, not clones. This archive contains one 160k (8-sector) image in both raw and ImageDisk formats. Note: This disk is formatted for DOS 1.x, and will not open with WinImage. Click
IBM PC Diagnostics 2.02 1983 This is the diagnostics disk for the IBM Personal Computer. The IBM Hardware Reference Library includes this disk. This software is intended for use only on genuine IBM PCs, not clones. This archive contains one 160k (8-sector) image in both raw and ImageDisk formats. Click
IBM PC Diagnostics 2.05 1983 This is the 2.05 diagnostics disk for the IBM Personal Computer. The IBM Hardware Reference Library includes this disk. This software is intended for use only on genuine IBM PCs, not clones. This archive contains one 180k (9-sector) image in both raw and ImageDisk formats. Click
IBM PC Diagnostics 2.07 1984 This is part of the IBM Hardware Reference Library. It contains diagnostics and system utilities for use on the IBM PC/AT computer. This archive contains one 180k 5.25" disk image. IBM Part Number: 1502376 Do not confuse this version with the AT version Click
IBM PC Diagnostics AT 1.02 1984 This is part of the IBM Hardware Reference Library. It contains diagnostics and system utilities for use on the IBM PC/AT (Model 5150) computer. This archive contains one 360k 5.25" disk image. Click
IBM PC Diagnostics AT 2.00 1985 This is part of the IBM Hardware Reference Library. It contains diagnostics and system utilities for use on the IBM PC/AT (Model 5170) computer. This archive contains one 360k 5.25" disk image. Click
IBM PC Diagnostics AT 2.07 1987 This is part of the IBM Hardware Reference Library. It contains diagnostics and system utilities for use on the IBM PC/AT computer. Click
Zenith Z-200 Diagnostics - 1986 These are a set of diagnostic programs for Heath/Zenith Z-200 computers. These are bootable disks with a "Limited MS-DOS Version 2.01" This archive contains two 360k images. Manuals are included in the ZIP file. Click

Third Party

Product Version Year of Release Comments Download
CheckIt 1.10a 2.1 3.0 Pro v1.11 1988 1989 1990 1993 CheckIt, from TouchStone Software Corporation, is a diagnostic tool for generic PC/XT/AT compatible computers. It can perform tests on RAM, hard disks, video cards, floppy disks, motherboard resources, and I/O devices. It has an easy to use menu interface but can also run tests non-interactively. It was followed up by the product WINCheckit. These are DOS versions of CheckIt. Suitable for the IBM 5150 (IBM PC), IBM 5160 (IBM XT) and IBM 5170 (IBM AT). May not work properly on computers dated later than 1990. Version 1.10a requires only 256 KB RAM under DOS 2.0. For version 2.1, the READ.ME file contains a list of computers that the version has been tested on - it does not work on some Tandy models. Requires 330 KB of free RAM. v3.0 adds support for DOS 4.0, 486 CPUs, virus detection, floppy drive alignment tests, and benchmarks. Checkit "Pro" for DOS is a significant revamp that replaces CheckIt 3.0.

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InfoSpotter 2.5 1990 This is a 1990 dated version of InfoSpotter, a DOS tool that reports hardware and DOS information. Click
Manifest 1.10 1991 Quarterdeck's Manifest - a DOS tool that reports hardware and DOS information. Click
Microsoft Diagnostics 1.0 3.0 1989 Microsoft Diagnostics is a DOS-based diagnostic troubleshooting tool.

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QAPlus/Pro v5.28 1995 Advanced diagnostics and hardware/DOS information.
Requires 640 KB of conventional RAM to be fitted.
Copy unzipped contents to a 1.44MB diskette- run INSTALL.EXE to install to C:

If you see "Cannot load QAPLPRO.EXE" when starting from C:\QAPRO, you may not have enough available conventional RAM (after drivers loaded, etc.).
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Product Version Year of Release Comments Download
ARCE 4.0g 1991 So you've got an old ARC archive file that none of the modern ARC extractors recognise.
What you need then is an old ARC extractor (one that recognises the earlier ARC formats).
Here is ARCE from 1991.
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