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Software Vault: The Gold Collection
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MEMO1210.TXT
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1992-11-09
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╔═════════════════════════════════════════════════════════════════════════╗
║ ║
║ Above Board PC Technical Installation Instructions ║
║ ║
╚═════════════════════════════════════════════════════════════════════════╝
ABOUT THE ABOVE BOARD PC
The Above Board PC is a memory expansion board for IBM PC's, XT's, and
compatibles running at 4.77MHz. The Above Board PC can provide
conventional and expanded memory in these systems.
The Above Board PC are NOT COMPATIBLE with 80286, i386CPU-, and i486CPU-
based computers and many TURBO XT compatibles. The Above Board PC was
designed to work at a speed of 4.77MHz like the original IBM PC and XT.
These installation instructions assume that you are using the Above
Board installation software dated 6/90 or later. The latest Above Board
software is always available on the Intel BBS for anyone to download.
ADDING MEMORY TO THE ABOVE BOARD PC
You can use either 64K-bit chips or 256K-bit chips on the Above Board
PC, but you can't use both types at the same time. For a list of chips
that Intel has verified, refer to FaxBack Document #1014, "Classic Above
Board Memory Chip Compatibility."
You need to use 200-nanosecond chips or faster, (such as 150ns or 120ns,
etc). You must fill each column to which you add chips, (nine chips to
a column). Leave no partially filled columns. Fill the columns in the
order shown in the following diagrams.
For 64K-bit chips For 256K-bit chips
┌─┬─┬─┬─┬─┬─┬─┬─┬────────┐ ┌─┬─┬─┬─┬─┬─┬─┬─┬─────────┐
│ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │
│ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │
│ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │
│ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │
└─┴─┴─┴─┴─┴─┴─┴─┴─┐ ┌┘ └─┴─┴─┴─┴─┴─┴─┴─┴─┐ ┌┘
8 7 6 5 4 3 2 1 └─────┘ 1 8 7 6 5 4 3 2 └──────┘
SWITCH SETTINGS FOR THE ABOVE BOARD PC
Switches on the Above Board PC determine the size of memory chips being
used, the starting address of conventional memory supplied by the Above
Board if it is filling to 640K, and the I/O address that the Above Board
will use.
╔═════════════════╗
║ █ █ █ █ █ █ █ █ ║
║ 1 2 3 4 5 6 7 8 ║
╚═╤═╤═══╤═╤═════╤═╝
┌────────────────────┘ └─┬─┘ └──┬──┘
Memory │ │ │ I/O Ports for
Chips │ Above Board │ │ Expanded Memory
┌─┬────┴─┐ Conventional │ └─┬─┬─┬─┬─┬──────────┐
│▄│ 64K │ Memory Starting │ │▄│▄│▄│▄│ NO EXP. │
├─┼──────┤ Address ┌───┘ ├─┼─┼─┼─┼──────────┤
│▀│ 256K │ ┌─┬─┬─┬───┴──┐ │▀│▀│▀│▀│ 208-20F │
└─┴──────┘ │▄│▀│▀│ 256K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▀│▀│▀│▄│ 218-21F │
│▄│▀│▄│ 320K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▀│▄│▀│▄│ 258-25F │
│▄│▄│▀│ 384K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▀│▄│▄│▀│ 268-26F │
│▄│▄│▄│ 448K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▄│▀│▄│▀│ 2A8-2AF │
│▀│▀│▀│ 512K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▄│▀│▄│▄│ 2B8-2BF │
│▀│▀│▄│ 576K │ ├─┼─┼─┼─┼──────────┤
├─┼─┼─┼──────┤ │▄│▄│▄│▀│ 2E8-2EF │
│▀│▄│▀│ NONE ├──┐ └─┴─┴─┴─┴──────────┘
└─┴─┴─┴──────┘ │
└▌No Conventional
▌Memory Added
CHANGING SYSTEM BOARD SWITCH SETTINGS, (IBM PC ONLY)
If you have an IBM PC and are using the Above Board PC or PS/PC to
provide conventional memory, you need to set switches on the computer's
system board. If you don't add conventional memory with the Above
Board, you don't have to change the computer's switches.
The following figures show the settings for IBM PC-1s and PC-2s if the
Above Board provides conventional memory up to 640K bytes:
┌─┬─┬─┬─┬─┬─┬─┬─┐
PC-1 (640K) │▄│▄│▄│▄│ │ │ │ │ Note: The PC-1 ROM BIOS allows
└─┴─┴─┴─┴─┴─┴─┴─┘ 544K bytes maximum.
1 2 3 4 5 6 7 8
┌─┬─┬─┬─┬─┬─┬─┬─┐
PC-2 (640K) │▀│▄│▀│▀│▄│ │ │ │
or PC-1 with └─┴─┴─┴─┴─┴─┴─┴─┘
upgraded BIOS 1 2 3 4 5 6 7 8
NOTE: PC-2s have a "B" stamped on their back panel, PC-1s do not.
SETTING UP EXPANDED MEMORY
The SOFTSET program will install the software necessary for EXPANDED
memory. SOFTSET copies necessary files to your system disk and adds
commands to your CONFIG.SYS and AUTOEXEC.BAT files.
You must be using DOS 3.0 or later to run SOFTSET. SOFTSET must be run
from a floppy disk. SOFTSET saves your original CONFIG.SYS and
AUTOEXEC.BAT files under the names CONFIG.OLD and AUTOEXEC.OLD.
To start SOFTSET, boot your computer to a plain DOS boot disk that
doesn't have a CONFIG.SYS or AUTOEXEC.BAT file on it. This is to ensure
that no TSR's or other programs are loaded that may interfere with
SOFTSET. Insert your Above Board Installation diskette into drive A and
at the DOS prompt type
A:SOFTSET <enter>
Follow SOFTSET's directions and answer the questions, SOFTSET does the
rest.
SOFTSET will add the device driver EMM.SYS to your CONFIG.SYS file. If
you chose to install the RAM disk on the SOFTSET installation options
menu, the device driver QUIKMEM2.SYS will be added to the end of your
CONFIG.SYS file. If you chose to install the print buffer, the command
QUIKBUF2 will be added to your AUTOEXEC.BAT file.
EMM.SYS DRIVER PARAMETERS, ABOVE BOARD PC AND PS/PC
The SOFTSET program will automatically install the EMM.SYS Expanded
Memory Manager device driver and its parameters. The parameters are
given here so that you can manually install the software and manipulate
the page frame address in cases where there is a memory conflict with
other add-in boards in the system.
Please remember, these parameters are for the drivers from the LATEST
Above Board Installation Software dated 6/90 or later with EMM.SYS rev
4.0D. The latest Above Board Installation Software is always available
on the Intel BBS for downloading, ph. (503) 645-6275.
EMM.SYS:
To use expanded memory on your Above Board PC or PS/PC, the EMM.SYS
command line must be the FIRST line in your CONFIG.SYS file:
DEVICE=EMM.SYS PC i/o-address [EXPF=x] [ND] [NP] [VI]
The order of the parameters does not matter. The parameters are
separated by a space and they can be in upper or lower-case.
i/o-address, (2x8, REQUIRED PARAMETER)
The "i/o-address" parameter specifies which base I/O address the Above
Board will occupy. This should match the I/O address set with switches
on the Above Board. The I/O addresses of other Above Boards providing
expanded memory should also be included. Assign a unique I/O address to
each Above Board. No boards in your computer can share I/O addresses.
Below is a list of valid I/O addresses for the Above Board PC and PS/PC:
I/O Address
208
218
258
268
2A8
2B8
2E8
EXPF= (EXPanded First, OPTIONAL PARAMETER)
The EXPF= parameter specifies the beginning of the 64K-byte page frame
needed for LIM 4.0 expanded memory. The following values are valid:
EXPF=C400
C800
CC00
D000
D400
D800
DC00
E000
Example: You're installing the Above Board in an IBM XT. The Above
Board is using I/O address 258. You want EMM to begin looking for an
available page frame in reserved memory that is not in use by other add-
in boards. In this example we'll imagine the other add-in boards are
using reserved memory addresses C000 to C7FF. The EMM.SYS command line
would read:
DEVICE=EMM.SYS PC 258 EXPF=C800
SETTING UP RAM DISKS
QUIKMEM2.SYS:
To set up a RAM disk in expanded memory, add this line to the end of
your CONFIG.SYS file.
DEVICE=QUIKMEM2.SYS x
The "x" parameter specifies the size of the RAM disk in K-bytes and must
be at least 16. Values that are not multiples of 16 will be rounded up
to the next higher multiple of 16. The maximum size of the RAM disk is
8M-bytes, (8192K).
Example: To install two 512K RAM disks in expanded memory, add the
following two lines to the end of your CONFIG.SYS file:
DEVICE=QUIKMEM2.SYS 512
DEVICE=QUIKMEM2.SYS 512
The drive letter assigned to each RAM disk is displayed when the
computer is started. There are no parameters to manually assign a
different drive letter to the RAM disk(s). DOS automatically assigns
the next available drive letter to the RAM disk(s).
SETTING UP A PRINT BUFFER
QUIKBUF2.COM:
To set up a print buffer in expanded memory, the following line must be
added to your AUOTEXEC.BAT file:
QUIKBUF2 PC x d t
The "x" parameter specifies the size of the buffer in K-bytes and must
be 32 or greater. Any value that is not a multiple of 16 is rounded up
to the next higher multiple of 16. 16K of the print buffer is reserved
for the pop-up menu.
The "d" parameter specifies the type of display adapter your computer is
using. Choices for the "d" parameter are:
M - IBM Monochrome Adapter
H - Hercules Monochrome Graphics Adapter
G - CGA adapter
E - EGA adapter
V - VGA adapter
O - Other adapter: Used if the pop-up menu isn't being displayed
properly. The "O" parameter disables the print buffer command
menu but the print buffer will still work.
The "t" parameter indicates the type of port to be buffered. Valid
choices are:
P - Parallel port, (LPT1, LPT2, LPT3)
S1 - Serial port, (COM1)
S2 - Serial port, (COM2)
If you choose "P", the first parallel port you print to will be the
buffered port. If you omit the "t" parameter, the print buffer defaults
to parallel.
Example: To create a 256K print buffer in expanded memory on an IBM XT
with an IBM Enhanced Graphics Adapter, and you want to buffer the first
parallel port you print to, use the following command:
QUIKBUF2 PC 256 E P
══════════════════════════════════════════════════════════════════════════════
End of file Intel FaxBack # 1210 November 9,1992