--- layout: page title: OS/2 SIZZLE Boot Disk (v7.68.18) permalink: /disks/pcx86/os2/misc/cpdos/87007/ redirect_from: - /disks/pc/os2/misc/cpdos/87007/ machines: - id: ibm5170 type: pcx86 debugger: true config: /devices/pcx86/machine/5170/ega/1152kb/rev3/debugger/machine.xml autoMount: A: path: /disks/pcx86/os2/misc/cpdos/SIZZLE-76818-19870107.json --- OS/2 SIZZLE Boot Disk (v7.68.18) --- This disk contained a pre-1.0 version of OS/2 built on January 7, 1987, which was based on an interim source code fork known as **SIZZLE**, the code-name for a collection of changes intended to improve overall OS/2 performance. Work on **SIZZLE** started around November 1986, and an internal specification known as "The London Performance Spec" drove some of that work, but at this point, not much is known about either the contents of that specification or any of the **SIZZLE** changes. When this disk boots, the following version banner is displayed: CP-DOS version 1.0 Copyright 1986 IBM Corp. SIZZLE Internal revision 7.68.18, 86/12/12 A directory listing of this disk is provided [below](#directory-of-os2-sizzle-boot-disk-v76818). {% include machine.html id="ibm5170" %} ### Directory of OS/2 SIZZLE Boot Disk (v7.68.18) Volume in drive A has no label Directory of A:\ IBMBIO COM 49408 01-07-87 12:18p IBMDOS COM 172881 01-07-87 11:45a OSO001 MSG 40730 01-07-87 1:41p CMD EXE 47056 10-22-86 7:41p COMMAND COM 23724 10-22-86 7:41p COUNTRY SYS 6175 10-22-86 7:57p MSG EXE 5824 10-22-86 7:58p NLS EXE 3124 10-23-86 8:38a SWAPPER EXE 4150 10-22-86 8:04p ANSICALL EXE 3165 01-07-87 12:19p BKSCALLS EXE 3611 01-07-87 12:21p BMSCALLS EXE 2064 01-07-87 12:23p BVSCALLS EXE 11710 01-07-87 12:30p DOSCALL1 EXE 7071 01-07-87 12:33p KBDCALLS EXE 4138 01-07-87 12:34p MONCALLS EXE 5655 01-07-87 12:35p MOUCALLS EXE 5177 01-07-87 12:36p QUECALLS EXE 11508 01-07-87 1:03p SESMGR EXE 25744 01-07-87 1:41p SHELL EXE 4096 01-07-87 1:43p VIOCALLS EXE 9833 01-07-87 1:10p COM SYS 12342 10-22-86 10:11p COM MSG 144 10-22-86 10:39a EXTDSKDD EXE 1885 10-22-86 7:31p MOUSE00 SYS 12342 10-22-86 7:31p MOUSE01 SYS 12342 10-22-86 7:32p MOUSE02 SYS 12342 10-22-86 7:32p MOUSE03 SYS 12854 10-22-86 7:31p POINTDD SYS 4240 10-22-86 7:32p VDISK SYS 4662 10-22-86 7:33p OSO001H MSG 82177 01-07-87 1:40p IBMBIO MAP 14290 01-07-87 12:18p IBMDOS MAP 75444 01-07-87 11:45a CONFIG SYS 138 01-05-87 3:42p DOS3TOOL 01-07-87 2:21p TEMP BAT 13 01-10-87 4:41p 36 file(s) 692059 bytes Directory of A:\DOS3TOOL . 01-07-87 2:21p .. 01-07-87 2:21p MSC EXE 29428 02-10-86 10:12a CL EXE 27655 12-07-86 3:49p P1 EXE 130969 12-07-86 3:49p P2 EXE 116077 12-07-86 3:49p P3 EXE 115357 12-07-86 3:49p 7 file(s) 419486 bytes Total files listed: 43 file(s) 1111545 bytes 88576 bytes free [Return to [OS/2 Prototype Disks](/disks/pcx86/os2/misc/)]