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- Path: menudo.uh.edu!menudo.uh.edu!usenet
- From: dkm@cs.itc.hp.com (Dave K. Martin)
- Newsgroups: comp.sys.amiga.reviews
- Subject: MINI-REVIEW: Vortex Golden Gate 486SLC PC/AT Emulator
- Followup-To: comp.sys.amiga.emulations
- Date: 4 Jan 1993 21:52:05 GMT
- Organization: The Amiga Online Review Column - ed. Daniel Barrett
- Lines: 251
- Sender: amiga-reviews@math.uh.edu (comp.sys.amiga.reviews moderator)
- Distribution: world
- Message-ID: <1iabi5INNehv@menudo.uh.edu>
- Reply-To: dkm@cs.itc.hp.com (Dave K. Martin)
- NNTP-Posting-Host: karazm.math.uh.edu
- Keywords: hardware, emulator, IBM PC, MS-DOS, bridgeboard, commercial
-
-
- PRODUCT NAME
-
- Vortex Golden Gate 486SLC PC/AT Emulator
-
-
- BRIEF DESCRIPTION
-
- The Vortex Golden Gate 486SLC is an IBM AT-Emulator for Amiga
- 2000/3000/4000 systems. It uses a 25 MHz 80486SLC CPU. The emulator is a
- Bridgeboard style card which plugs into a "bridge" slot to access both the
- Amiga Zorro bus and the IBM ISA bus on the Amiga motherboard.
-
-
- AUTHOR/COMPANY INFORMATION
-
- GERMANY
- Name: Vortex Computersysteme GMBH
- Address: Falterstrasse 51-53
- D-7101 Flein
-
- Telephone: +49-7131-59720
- FAX: +49-7131-55063
-
- USA
- Name: Vortex Worldwide Branch Office
- Address: 3835 Richmond Ave. Suite 138
- Staten Island, NY 10312
-
- Telephone: 718-967-1509
- FAX: 718-948-0893
-
- E-mail: Compuserve: 100015,330
- Internet: 100015.330@compuserve.com
-
-
- LIST PRICE
-
- Vortex Golden Gate 486SLC $1099.00 (US dollars)
- Optional HD Floppy Disk Controller $ 89.00 (US dollars)
-
-
- SPECIAL HARDWARE AND SOFTWARE REQUIREMENTS
-
- HARDWARE
-
- One free bridge slot.
- One megabyte of Amiga ram.
-
- Amiga hard drive is not required. Amiga 68020/30/40
- accelerator cards are supported but are not required.
-
- SOFTWARE
-
- AmigaDOS 1.3 and 2.x are supported.
-
- No MS-DOS system software is supplied with the Golden Gate
- 486SLC. MS-DOS versions 3.2 up to 5.0 and DR-DOS versions
- 5.0 and 6.0 have been run successfully by Vortex.
-
-
- COPY PROTECTION
-
- None.
-
- The Amiga software for the Golden Gate 486SLC installs on a hard
- disk using the provided installation program.
-
-
- MACHINE USED FOR TESTING
-
- I installed and tested the Golden Gate 486SLC in the following Amiga
- system:
-
- Amiga 2000 with rev 4.3 motherboard.
- ECS AGNES and DENISE chips.
- One MB of chip RAM, seven MB of 16-bit fast RAM.
- Commodore A2320 display enhancer with Commodore A1960 monitor.
- Commodore A2091 SCSI controller with a Quantum 105 megabyte hard
- drive.
- Microbotics 8-UP! memory card.
- CSA Mega-Midget Racer 68030 accelerator board with two MB of
- 32-bit dynamic RAM.
- Kickstart 2.04 ROM version 37.175 and Workbench version 37.67.
-
- The Vortex Golden Gate 486SLC was configured with:
-
- The optional High Density floppy disk controller was installed.
- The optional math coprocessor chip was not installed.
- Eight megabytes of memory were installed (two four MB SIMMS).
- All hardware jumpers on the board were left in the default
- configuration.
- MS-DOS 5.0 system software was used for all tests.
-
-
- MINI-REVIEW
-
- The Vortex Golden Gate 486SLC board that I ordered finally arrived.
- After playing with it for a few hours, I was going to try to post my initial
- impressions of the board. After a couple of abortive attempts, I realized
- that there is just too much to cover without doing a full review. After I
- get a little more time with it, I will write a full review for c.s.a.reviews.
- Until then, here are the major highlights:
-
- o The Vortex Golden Gate 486SLC is based on the 486SLC processor chip.
- This processor uses a 32 bit internal and 16 bit external data bus
- much like the Motorola 68000 processor. The 486SLC has 1 KB cache
- on the chip (opposed to the 4KB cache on a 486SX/DX processor). The
- 486SLC is compatible with the 486SX command set and is up to 2.4
- times faster than a 386SX with the same clock frequency.
-
- o The board is well made, mostly surface mount components with no cross
- connects or wires.
-
- o The Vortex Golden Gate 486SLC comes with 2 MB of RAM installed. Up
- to 16 MB of RAM may be installed on board.
-
- o Sockets are provided on board for the optional high density floppy
- disk controller and math coprocessor chip.
-
- o The board includes a built in IDE hard drive interface. A cable is
- included.
-
- o An internal floppy disk connector is on board (the optional floppy
- controller chip is required) along with a DB-25 connector on the
- back panel for external floppy disk drives. A DB-9 connector is
- also on the back panel for the optional Monitor Master switch.
-
- o The 486SLC has a small heat sink, but it never got more than mildly
- warm. My A2000 has a fan that blows down the card slots, however.
-
- o The manual is for the 386SX and 486SLC boards and has German,
- English, and French sections. Each section is about 117 pages
- long. The diagrams and photographs are excellent. The installation
- and configuration sections are well organized, although careful
- reading is essential for some configuration options.
-
- o For use in A2000's, a small adapter is included that goes into the
- 68000 socket, and the 68000 is plugged into the adapter. The adapter
- only has a capacitor connected across two pins, nothing else.
-
- o Hardware installation was easy: plug the card in, and connect the
- floppy drive cable.
-
- o The Amiga side software has a hard disk install program. Just click
- on the icon.
-
- o A disk is included containing MS-DOS programs for installing and
- formatting hard drives, file transfers between the Amiga and Golden
- Gate, etc.
-
- o With the optional floppy disk controller chip installed, the Golden
- Gate can control drives in all of the standard sizes from 360KB up
- to 2.88 MB. (Each of the 3 floppy drives has 31 possible options
- that can be configured!) Setting up all of the possible options in
- SETUP could be a challenge.
-
- o Any Amiga floppy drive can be configured to operate as either a 40
- track (360K) or 80 track (720K) floppy drive for the Golden Gate
- card. The floppy drives then work as normal Amiga drives until the
- Golden Gate window is activated. Then the floppy acts as a IBM
- drive (no connecting cable is used). The Amiga still controls the
- disk from commands passed from the Golden Gate board via the Zorro
- bus. Read/Write speeds are quite acceptable but are affected by the
- presence of an Amiga accelerator.
-
- o Hard drives can be emulated by directly assigning an Amiga hard drive
- partition or an Amiga file as an MS-DOS hard drive. These emulated
- drives may be used in combination along with a drive on the internal
- IDE controller. A dedicated Amiga partition works almost as fast as
- the IDE drive on my system.
-
- o I connected a 42M IDE drive connected to the built in controller on
- the Golden Gate board and it works quite well. A connector on the
- Golden Gate board is provided for an IDE drive activity LED.
-
- o The 486SLC seems to co-exist peacefully with my Mega-Midget Racer (I
- did not install the adapter due to lack of clearance )
-
- o So far, I've only used the CGA video emulation. There are 27
- different emulated video modes that can be configured, ranging from
- four-color CGA to monochrome (two color) VGA. Four and eight color
- text only VGA modes are also emulated. All emulated video modes can
- be displayed by a Commodore 1084 or equivalent monitor.
-
- o The basic VGA card from my 2088 Bridgeboard works with the Golden
- Gate. Inserting a video card in any of the ISA bus slots
- automatically disables the emulated display.
-
- o I have not tried to share RAM between the Amiga and 486SLC yet.
- There are jumpers on the Golden Gate board to configure two or four
- MB of memory to be used as Amiga fast RAM.
-
- o Setup options for the Golden Gate allow up to 50% of Amiga RAM to be
- used as memory for the emulator. This can be split between Chip,
- Fast, or public Amiga memory.
-
- o There is a "server mode" where the Amiga can directly access the RAM
- and disk drives of the Golden Gate board, but this appears to only
- support diskettes that have been formatted on the hi-density drives
- in AmigaDOS. It does not appear as if hi-density MS-DOS disks can be
- read. (Major bummer!)
-
- o The Amiga mouse is emulated as a serial Microsoft mouse. No mouse
- driver for MS-DOS is provided, however.
-
- o The Amiga serial port can be used by the Golden Gate as either COM1
- or COM2. If the Golden Gate board is active, it appears to
- interfere with using the serial port for the Amiga even if the
- Golden Gate is not using the serial port.
-
- o The Amiga's parallel port can be used as LPT1 or LPT2 by the Golden
- Gate. I have not noticed any contention for the parallel port so
- far.
-
- o Windows 3.1 (The little bit I've tried so far) runs quite well on
- the Vortex Golden Gate 486SLC -- quite a bit better than on a 16 MHz
- 386SX system.
-
- o I have not tried any real speed tests, but a quick check revealed the
- Vortex Golden Gate 486SLC to be approximately 2.5 times faster than
- a 16 MHz 386SX system.
-
-
- CONCLUSIONS
-
- These are my initial impressions. Careful configuration (and a
- thorough review of the manual) may change some of these observations. So
- far though, I am quite pleased with the board, its quality, and the way it
- installed.
-
- December 1992,
- Dave Martin - dkm@col.hp.com
-
- Golden Gate is a registered trademark of Vortex Computersysteme GmbH.
-
- Amiga, Bridgeboard and Commodore are registered trademarks of
- Commodore Electronics Limited.
-
- AT and IBM are registered trademarks of International Business
- Machines Corporation.
-
- MS-DOS, Microsoft and Windows are registered trademarks of Microsoft
- Corporation.
-
- ---
-
- Daniel Barrett, Moderator, comp.sys.amiga.reviews
- Send reviews to: amiga-reviews-submissions@math.uh.edu
- Request information: amiga-reviews-requests@math.uh.edu
- General discussion: amiga-reviews@math.uh.edu
-