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Latest Update
2021-10-17
DOS - Jack R. Ellis Drivers
README protected-mode CONFIG.SYS example files in Section 5 and comments in Section 6 updated. NO changes to any of the drivers; all are still dated 6-Jun-2021.

2021-06-06
DOS - Jack R. Ellis Drivers
XHDD now handles up to 10 BIOS disks using up to 4 UltraDMA controllers; uses only 16 more HMA bytes! XHDD2 dropped (unneeded now). Other drivers unchanged, re-dated only.

2021-05-23
Vinyl Rescue Project Update
Equipment and service charge update.

2021-04-23
DOS - Jack R. Ellis Drivers
XHDD/XHDD2 "extra" XMS logic deleted (was LOSING time), for 1% faster protected-mode speed! Other drivers unchanged (re-dated only).

2021-04-17
DOS - Jack R. Ellis Drivers
XHDD/XHDD2 re-add /P resident search-table logic for faster cache speed with SSD/NVmE "disks". See the /P notes in Section 6 of this README for a full description. Other drivers unchanged, re-dated only.

2021-03-10
DOS - Jack R. Ellis Drivers
XHDD/XHDD2 re-add extra XMS logic and better "VDS" code (48 more HMA bytes) for more caching speed with fast SSD/NVmE "disks". Other drivers unchanged, re-dated only.

2021-02-27
DOS - Jack R. Ellis Drivers
XHDD.SYS and XHDD2.SYS are now 4736 bytes each and assemble from a common XHDD.ASM file, for more reliability and FAR easier updates! Other drivers unchanged, re-dated only.

2021-02-12
DOS - Jack R. Ellis Drivers
XHDD now handles 8 BIOS disks using 3 UltraDMA controllers, for most user PCs. New XHDD2 runs 14 BIOS disks using 6 ULtraDMA controllers, for workstations or other large DOS systems. Both set ALL cache sizes from 5-MB to 4-GB and will use Read-Ahead and Overlap (with /O) for all caches, to speed up PCs having < 16-MB of memory! Other drivers unchanged, re-dated only.

2021-01-26
DOS - Jack R. Ellis Drivers
README file updated and minimized. NO driver changes, all are still dated 23-Jan-2021.

2021-01-21
DOS - Jack R. Ellis Drivers
XHDD 2.5-MB cache and 80386 support dropped (of little use). Run-time XHDD is smaller by 48 HMA bytes. Other drivers unchanged, re-dated only.

2020-12-24
DOS - Jack R. Ellis Drivers
XHDD1 and XDVD3 dropped re: little user interest. XHDD now supports 5 UltraDMA controllers (was 6). Other drivers unchanged, re-dated only.

2020-11-24
DOS - Jack R. Ellis Drivers
README file update only: See Section 6 for further HimemSX/JemmSX comments! NO driver changes; all are still dated 16-Nov-2020.

2020-11-15
DOS - Jack R. Ellis Drivers
XHDD now runs up to 12 disks on 6 controllers, for big "home user" PCs or workstations. XHDDjr renamed XHDD1, XDVDjr renamed XDVD3. Previous XHDD1 dropped. See the README Section 5 for normal driver combinations. Other drivers unchanged, re-dated only.

2020-11-4
DOS - Jack R. Ellis Drivers
Smaller XHDDjr and XDVDjr drivers added for most "home user" PCs with 1 or 2 disks and CD/DVD drives. Other drivers unchanged, re-dated only.

2020-10-23
DOS - Jack R. Ellis Drivers
README file update only -- See Section 6 below for "HimemSX" comments!! Other minor README updates, NO change to any drivers; all are still dated 18-Oct-2020.

2020-10-16
DOS - Jack R. Ellis Drivers
Smaller 12-disk XHDD1 driver added, identical in performance to the 20-disk XHDD, for "home user" PCs. Minor changes to XMGR/XDVD2. Other drivers unchanged, re-dated only.

2020-10-06
DOS - Jack R. Ellis Drivers
XHDD2 dropped (no user interest). Minor XHDD size changes. Other drivers unchanged, re-dated only.

2020-08-16
Vinyl Rescue Project
Replace Phono cartridge from Benz Micro McGold to Benz Micro McSiver for more output.

2020-07-03
DOS - Jack R. Ellis Drivers
XHDD/XHDD2 corrected for 4-bit controller numbers (not 3-bit as before)! PCs with <= 8 SATA/IDE controllers were not affected. Other drivers unchanged, re-dated only.