VMIVME-7486 GE single-board
The VMIVME-7486 incorporates the following VMEbus functions:
• Single-slot, 6U-height VMEbus board
• Complete 6-line Address Modifier (AM-Code) programmability
• 32-bit data interface with 3-way byte/word swap in hardware
• User-configured interrupt handler
• User-configured interrupter
• System Controller mode (jumper enabled) as level 3 single-level arbiter
• Complete VMEbus access through
Real-mode memory window, or
Protected-mode linear addressing above local DRAM
• Front panel “vital sign” indicators
(+5V Power, programmable SYSFAIL* signal)
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Introduction to the VMIVME-7486
The VMIVME-7486 single-board microcomputer is a complete IBM PC/AT 80486
compatible microcomputer with the additional benefits of Eurocard construction and
full compatibility with the VMEbus Specification Rev. C.1.
VMIC’s VMIVME-7486 has two operating modes: a standard PC/AT compatible
mode, and a VMEbus controller mode. Upon power-up it functions as a standard
PC/AT. It executes a PC/AT-type power-on self-test, then boots up MS-DOS,
Windows, OS/2, NextStep, XENIX, or any other PC/AT compatible operating system.
Its keyboard and video console interaction with the user is typical of a PC/AT. This
PC/AT mode of the VMIVME-7486 is discussed in Chapter Three, PC/AT Functions on
page 55of this manual.
After booting, the VMIVME-7486 may take on the additional functions of a VMEbus
controller and interact with other VMEbus modules. The VMEbus controller functions
are available by programming the VMIVME-7486’s VMEbus interface registers
according to Chapter Four, VMEbus Functions on page 71 of this manual.
With VMIC’s VMIVME-7420 VMEaccess software, the VMIVME-7486 programmer
may quickly and easily control VMEbus slave boards simply by linking to a library of
VMIVME-7486 VMEbus interrupt and control functions.
Because this product bridges the traditionally divergent worlds of Intel-based PCs
and Motorola-based VMEbus controllers, some confusion over conventional notation
and terminology may exist. We have made every effort to make this manual
consistent by adhering to conventions typical for the Motorola/VMEbus world;
nevertheless, users in both camps should review the following notes:
• Hexadecimal numbers are listed Motorola-style, prefixed with a dollar sign:
$F79, for example. By contrast, this same number would be signified 0F79H
according to the Intel convention, or 0xF79 by many programmers. Less
common are forms such as F79h or the mathematician’s F7916.
• An 8-bit quantity is termed a byte, a 16-bit quantity is termed a word, and a
32-bit quantity is termed a longword. The Intel convention is similar, although
their 32-bit quantity is more often called a double-word.
• Motorola programmers should note that Intel processors have an I/O bus that
is completely independent from the memory bus. Every effort has been made in
the manual to clarify this by referring to registers and logical entities in I/O
space by prefixing I/O addresses as such. Thus a register at I/O $140 is not the
same as a register at $140, since the latter is on the memory bus while the former
is on the I/O bus.
• Intel programmers should note that addresses are listed in this manual using a
linear, flat-memory model rather than the old segment:offset model associated
with Intel Real Mode programming. Thus, a ROM chip at a segment:offset
address of C000:0 will be listed in this manual as being at address $C0000. For
reference, here are some quick conversion formulas:
Segment:Offset to Linear Address
Linear Address = (Segment × 16) + Offset
Linear Address to Segment:Offset
Segment = ((Linear Address ÷ 65536) − <remainder>) × 4096
Offset = <remainder> × 65536
Where <remainder> = the remainder of (Linear Address ÷ 65536)
The VMIVME-7487 does not contain the VMIVME-7489’s enhanced I/O, but adds full
multiprocessing support with mailbox registers, dual-ported memory, and a
master/slave VMEbus interface chip.
VMIC also has other support products for the PC/AT compatible VMEbus controller
line. The VMIVME-7450 is a dual-slot module which holds one 3.5 inch floppy drive
and one 3.5 inch hard drive. The VMIVME-7432 is a PC/104 module with a
VMEbus 6U form factor that allows a half-length PC ISA bus expansion board to be
used in a VMEbus chassis along with the VMIVME-7489. The VMIVME-7432 is also
compatible with the VMIVME-7450.
VMIC’s VMIVME-7420 VMEaccess software includes a linkable library of functions to
simplify the integration and development of high performance VMEbus systems
using a VMIC PC/AT compatible VMEbus controller. The library includes functions
for such low-level chores as setting up VMEbus data transfers, processing interrupts
and conditions, and handling errors. VMEaccess is highly recommended for
programmers who plan to use any VMIC PC/AT compatible processor for VMEbus
control.
Other relevant models:
| GE | VMIVME-7486 | GE | IS200BPVCG1BR1 |
| GE | IS215UCVFH2BB | GE | IS200EAUXH1A |
| GE | IS215UCVGM06A | GE | IS200EPSMG1ABB |
| GE | IS215UCVGH1 | GE | IS200JPDFG1A |
| GE | VMIVME-2540-000 | GE | IS200RAPAG1B |
| GE | VMIVME-7459 | GE | IS200TBAIH1C |
| GE | VMIVME-7658 | GE | IS200TBTCH1CBB |
| GE | VMIVME-7700 | GE | IS200TDBTH6ACD |
| GE | VMIVME-7807 | GE | IS200TPROH1C |
| GE | VMIVME-7807RC | GE | IS200TPROS1C |
| GE | IC698CMX016 | GE | IS200TREGH1B |
| GE | IS215UCVEM01A | GE | IS200TREGH1BDC |
| GE | IS215UCVEH2AF | GE | IS200TRPGH1B |
| GE | VMIVME-7698 | GE | IS200TSVOH1B |
| GE | IS215UCVEM09A | GE | IS200TSVOH2B |
| GE | VMIVME-2128 | GE | IS200TVBAH2ABC |
| GE | VMIVME-4140 | GE | IS200VAICH1D |
| GE | VMIVME-7455 | GE | IS200VCMIH2BEE |
| GE | VMIVME-7750 | GE | IS200VCRCH1B |
| GE | IS215UCVEH2AB | GE | IS200VSVOH1B |
| GE | IS215UCVEH2AE | GE | IS200VSVOH1BDC |
| GE | VMIVME-7740 | GE | IS200VSVOH1BED |
| GE | VMIVME-5565-110000 | GE | IS200VVIBH1C |
| GE | VMIVME-7452 | GE | IS200VVIBH1CAC |
| GE | VMIVME-7455 | GE | IS215ACLEH1A |
| GE | VMIVME-4140 | GE | IS215UCVEH2A |
| GE | VMIVME-3122 | GE | IS215UCVEH2AE |
| GE | VMIVME-2540 | GE | IS215UCVEM06A |
| GE | IS420ESWBH1A | GE | IS215UCVEM08B |
| GE | IS420ESWBH3A | GE | IS215UCVEM09B |
| GE | IS420UCSBH3A | GE | IS215VCMIH2C |
| GE | IS200EPSMG1A | GE | IS215VCMIH2CA |
| GE | IS215UCVEM08 | GE | IS215VPROH1BD |
| GE | IS420UCSBH1A | GE | IS220PAICH1A |
| GE | IS420UCSBH4A | GE | IS220PAICH1B |
| GE | 8201-HI-IS | GE | IS220PDIOH1A |
| GE | 8202-HO-IS | GE | IS220PDIOH1B |
| GE | 8206-TI-IS | GE | IS220PPDAH1B |
| GE | 8220-DI-IS | GE | IS220PPROH1A |
| GE | IS200EPSMG1A | GE | IS220PPROS1B |
| GE | IS200VVIBH1CAC | GE | IS220PRTDH1B |
| GE | IS215UCVEM08 | GE | IS220PSCAH1A |
| GE | IS220PDIOH1B | GE | IS220PSVOH1A |
| GE | IS220PVIBH1A | GE | IS220PTURH1A |
| GE | IS420UCSBH1A | GE | IS220PTURH1B |
| GE | IS420UCSBH4A | GE | IS220PVIBH1A |
| GE | ISC40G-TF-T1-05 | GE | IS220UCSAH1A |
| GE | ISH0706001700000000000 | GE | ISH1003002500000000000 |
| GE | ISH0706001700000001000 | GE | ISH1003002500000000100 |
| GE | IS200BPPBH2BMD | GE | IS200BPPBH2BMD |
