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UMBDVR.TXT
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1992-02-18
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166 lines
UMB_DRVR.TXT Version 5.21 02/03/92
UMB_DRVR.SYS Device Driver
UMB provider for DOS 5.0 on 286 / 386 / 486 systems
Copyright (C) 1991, 1992 All Rights Reserved
Christopher Blum CompuServe: 76625,1041
1022 East Wayne Avenue INTERNET: 76625.1041@compuserve.com
Wooster, Ohio 44691 BIX: cblum
(216)262-3786
CHANGES IN THIS RELEASE
5.21 [02/03/92] - Added 'User-Specified Available Memory' mode;
Revised doc for Windows 386 Enhanced mode.
CHIP SETS CURRENTLY SUPPORTED
00 - User-Specified Available Memory mode
Chip ID(s): None
01 - Chips & Technologies CS8221 NEAT, CS8281 NEATsx,
CS8223 LeAPset, CS8283 LeAPset-sx
Texas Instruments TACT82S411 Single Chip AT
United Microelectronics (UMC) UM82C210 286/386SX AT
Chip ID(s): ( C & T ) 82C212, 82C241 ( 286 )
82C812, 82C841 ( 386SX );
( TI ) TACT82S411 ( 286, 386SX );
( UMC ) UM82C212 ( 286, 386SX )
02 - VLSI Technology VL82C200
Chip ID(s): VL82C201,VL82C202,VL82C203,VL82C204 ( 286, 386SX )
( all 4 chips required )
03 - FOREX FRX36C300
Chip ID(s): FRX36C300 ( 386DX )
04 - Chips & Technologies CS8230 386/AT, CS8231 Turbo Cache 386/AT,
CS8233 PEAKset/386, CS82310 PEAKset DM/386
Chip ID(s): 82C302, 82C307, 82C311, 82C351 ( 386DX )
05 - Chips & Technologies 82C235 SCAT, 82C836 SCATsx, CB8291 ELEAT,
CB8295 ELEATsx, CS8285 PEAKset-sx,
CS8227 CHIPSlite, CS8288 CHIPSlite-sx
Chip ID(s): 82C235 ( 286 ), 82C836 ( 386SX )
06 - ETEQ Micro COUGAR II
Chip ID(s): 82C491 ( 386DX, 486 )
07 - OPTi Sx/AT, Sx/AT Cache
Chip ID(s): 82C281, 82C282, 82C283 ( 386SX )
08 - OPTi DX/BB PC/AT
Chip ID(s): 82C496 ( 386DX, 486 )
09 - OPTi 386WB PC/AT, 486SXWB PC/AT
Chip ID(s): 82C391 ( 386DX ), 82C493 ( 486 )
10 - OPTi 386/486WB EISA
Chip ID(s): 82C682 ( 386DX, 486 )
11 - Elite Microelectronics Eagle, Falcon
Chip ID(s): e88C311 ( 386DX ), e88C411 ( 486 )
12 - VLSI Technology SCAMP
Chip ID(s): VL82C310, VL82C311 ( 286, 386SX ), VL82C311L ( 286 )
13 - VLSI Technology VL82C286, VL82C386 TOPCAT
Intel 82340SX, 82340DX
Chip ID(s): ( VLSI ) VL82C320 ( 286, 386SX ), VL82C330 ( 386DX )
VL82C320A ( 286, 386SX, 486 )
( Intel ) 82343, 82346 ( 286, 386SX )
82343A ( 286, 386SX, 486 )
14 - OPTi HiD/386 AT, HiB/486 AT
Chip ID(s): 82C382 ( 386DX ), 82C482 ( 486 )
15 - Sun Electronics SUNTAC ST62CS24, ST62CS25
Chip ID(s): ST62C241 ( 286 ), ST62C251 ( 286, 386SX )
16 - Texas Instruments TACT83000
Chip ID(s): TACT83442 ( 386SX, 386DX, 486 )
17 - Silicon Integrated Systems High Performance 80386
Chip ID(s): 85C310 ( 386DX )
18 - Silicon Integrated Systems High Performance ISA486
Chip ID(s): 85C401 ( 486 )
BAD NEWS ( CHIPS THAT WILL NOT BE SUPPORTED )
Chips & Technologies: CS8220(82C201/82C202) [1]
Intel: 82335/82335SX [2]
Sun Electronics ( SUNTAC ): ST62CS02(ST62BC002) [1]
United Microelectronics ( UMC ): UM82C230(UM82C231) [1]
VLSI Technology: VL82C100 [1]
Western Digital: ( Faraday ) FE3021/FE3021A [2]
Notes:
[1] - No shadow ram support
[2] - Lock feature prohibits access
MAYBE? ( NEED TECHNICAL DATA TO SUPPORT )
ACER
American Megatrends (AMI) - Megatrends custom chips, *NOT* BIOS
COMPAQ
IBM PS/2
Micronics - custom chips
PC-Chips brand chip set(s)
Toshiba
I have been unable to get any documentation for these systems. If
you can have your system vendor or the chip set manufacturer
contact me, I will try to include support for them.
COMING ATTRACTIONS ( SUPPORT PLANNED OR UNDER DEVELOPMENT )
ACC Microelectronics: 2036 [2], 2046
Headland Technology: HT12/HT15 [1], HT18/HT21/HT22 [2], HT322
Intel: 82350 EISA(82359), 80386SL(Intel386SL)
OPTi: L1/L2 Notebook
Symphony Laboratories: SL82C360(SL82C361), SL82C460(SL82C461)
Texas Instruments: TACT84500 EISA(TACT84542)
United Microelectronics ( UMC ): UM82C380(UM82C384) [1]
VLSI Technology: VL82C486
Western Digital: WD6000/WD75C10/WD76C10/WD7710/WD7910 [1]
ZyMos Corporation: POACH(82C230/82C231)
Notes:
[1] - Support minimal ( maximum 64K UMB area ).
[2] - Support limited ( maximum 128K UMB area ).
If your chip set is not listed, have your system vendor or the chip
set manufacturer contact me and I will try to support it.
I now testing a general EMS simulator which will load high with
UMB_DRVR and will use XMS ( HIMEM.SYS ) memory to supply EMS memory on
*ALL* systems supported by UMB_DRVR ( 286 / 386 / 486 ). It is able to
dynamically switch the memory, only using the XMS memory when EMS is
required. This will be included in the UMBDVR.EXE package at no
additional charge.
Also in the works are features to save even more precious memory
below 640K by:
- loading the primary shell ( COMMAND.COM ) into upper memory
- relocating all DOS areas possible to upper memory, including
FCBS=, FILES=, BUFFERS=, STACKS=, and LASTDRIVE=
- allowing the lower portion of the video ram area to be switched
in and out to expand DOS base ram beyond 640K but not inhibit
graphics modes ( only for chip sets with video area support )
A newer, more flexible ( read as less Neanderthal, approaching the
Bronze Age ) user interface is coming as soon as I get the time.
I have ( I think ) found a way to *reliably* test for and list the
chip set in a machine. I will be including a separate program to do this
in the package soon. Of course, it will only recognize the chip sets it
supports, so a negative result will not necessarily mean you have a chip
set that will not be supported later.
If there is enough interest, I will also write device-specific EMS
drivers for the hardware facilities in the EMS-capable chip sets. Please
Email or surface mail your thoughts ( no phone calls on this, please -
save those for support questions ).