Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!news.cs.indiana.edu!att!ucbvax!WSMR-SIMTEL20.ARMY.MIL!w8sdz
From: w8sdz@WSMR-SIMTEL20.ARMY.MIL (Keith Petersen)
Newsgroups: comp.binaries.ibm.pc.d
Subject: HYDK421.ZIP - HyperDisk v4.21 disk cache system (shareware)
Message-ID: <1979.w8sdz@WSMR-SIMTEL20.ARMY.MIL>
Date: 1 May 91 02:05:59 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 51

I have have obtained directly from the author and uploaded to SIMTEL20:

pd1:<msdos.dskutl>
HYDK421.ZIP     HyperDisk v4.21 disk cache system (shareware)

What's new in the HyperDisk V4.21 release:

* Add option to disable the floppy change notice tone. Select /KT to disable
  the change tone.

* Automatic detection of Sumo Systems SCSI BIOS to prevent hangup due to
  faulty Sumo BIOS function limit test.

* Add detection of End Of File (EOF) mark in command files (/XF:file).
  Fixes problem with WordStar text files.

* Fix HyperStb lockup problem with SpedStor detection.

* Change HyperDisk action call drive ID value. Fixes some IDE problems.

* Add code to allow use of Pre-Allocated XMS/EMS memory via XM:handle_num

* Fix XSL report message to display correct segment address.

* Restore Uninstall (/XU) in Shareware version. Use HYPERSTB.EXE for best
  results. Install HYPERSTB.EXE in the CONFIG.SYS file, install HyperDisk
  in the  AUTOEXEC.BAT file.

* Relax Chips & Tech. presence test. Fixes some 212 Neat and 302 problems.

* Fixed Disk Manager and SpeedStor configuration problem. Regression error
  in version 4.20.

* Fixed Advanced Update interlock problem.

* Change XMS free memory determination. XMS-HMA area was being reserved
  twice.

* Revise vector reset code for soft-boot.

* New interlock method for Network severs, Desqview, Windows 3.0, etc.

* Revised EMS 3.2/4.0 testing and selection procedure. XT forces 4.0

* Add addition messages for C&T 82C212 configuration errors.

- - -
Keith Petersen
Maintainer of SIMTEL20's MSDOS, MISC and CP/M archives  -  [192.88.110.20]
Internet: w8sdz@WSMR-SIMTEL20.Army.Mil    or    w8sdz@vela.acs.oakland.edu
Uucp: uunet!wsmr-simtel20.army.mil!w8sdz             BITNET: w8sdz@OAKLAND