Xycom XVME-951 User manual

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0 1994 XYCOM, INC.
Printed in the United States of America
Part Number 74951-OOlC
XVME1951
PC/XT VMEbus Adapter
Module Manual
74951 -001C
XYCOM
750 North Maple Road
Saline,Michigan 48176
[phone]
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XyColMREVISION RECORD
I Revision
IC
Description
Manual Released
Manual Updated
Manual Updated
Date
10/88
2/92
6/94
Trademark Information
Brand or product names are registered trademarks of their respective owners.
Copyright In formation
This document is copyrighted by Xycom Incorporated (Xycom) and shall not be reproduced or copied without
expressed written authorization from Xycom.
The information contained within this document is subject to change without notice. Xycom does not guarantee the
accuracy
of the information and makes no commitment toward keeping it up to date.
Address comments concerning this
manual to:
xycom
Technical Publications Department
750
North Maple Road
Saline, Michigan 48176
Part Number: 74951-001 C
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TABLE OF CONTENTS
CHAPTER TITLE PAGE
1 INTRODUCTION
2
1.1 Product Overview
1.2 Manual Structure
1.3 Module Operational Description
1.4 Specifications
2.1
2.2
2.3
2.4
2.4.1
2.4.2
A
FIGURE
1-1
2- 1
2-2
2-3
2-4
TABLE
1-1
2-1
INSTALLATION
Introduction
Installing a Short Card
Installing Disk Drive Cables
Installing The Module
Installing an XVME-95111
Installing an XVME-951/2
APPENDICES
Block Diagram, Assembly Drawing, and Schematics
LIST OF FIGURES
1-1
1-1
1-1
1-3
2-1
2-1
2-4
2-5
2-5
2-7
TITLE PAGE
Module Operational Block Diagram 1-2
XVME-951 with PC/XT Short Card
Installing the XVME-951/1/2 Disk Drive Cables
Installing the XVME-951/2 onto a CPU
2-1
2-4
2-8
XVME-957/12 2-10
Installing the XVME-951/2 onto an XVME-956/12 or
LIST OF TABLES
TITLE PAGE
Adapter Module Specifications 1. -3
Jumper Signals 2-3
i
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Chapter 1 - INTRODUCTION
1.1 PRODUCT OVERVIEW
The XVME-951 PC/XT VMEbus Adapter Module is a double-high, double-wide VMEbus compatible
board that occupies two VMEbus card slots. The XVME-951 enables you to integrate your unique
PC/XT short cards, such as modem and communication modules, into your VME bus system. The
XVME-95111 is designed to operate with Xycom's XVME-684, XVME-686, or XVME-687 VMEbus
PC/AT processor modules. The XVME-951/2 is designed to operate with the XVME-674, XVME-677,
XVME-678, and XVME-688 VMEbus PUAT processor module.
1.2 MANUAL STRUCTURE!
This manual introduces you to the general specifications and functional capabilities of the XVME-951
adapter module and provides instructions for its installation.
-
Briefly reviewing the outline of the manual structure should help direct you to the specific sections of
information relevant to your needs. The chapters are presented as follows:
Chapter 1: Introduction - Provides a general description of the adapter module including functional
capabilities, buffer outputs, VMEbus compliance information, and a detailed block
diagram.
Chapter 2: Installation - Details installation information about attaching the PC/XT short cards to
the module, installing the module in the chassis, and positioning the board interconnect
cable at the rear of the chassis.
Appendix A:
Block Diagram, Assembly Drawing, and Schematics
1.3 MODULE OPERATIONALDESCRIPTION
Figure 1-1 on the following page shows an operational block diagram of the XVME-951 adapter module.
1-1
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Chapter 1 - Introduction
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BUFFERS
DATABUS
ADDRESS JUMPERS
&
CONTROL
BUFFERS
L---------- .-- .--__-________-___. -_
7
PCMTBUS SIGNALS
XVME-95111: P2 ROWS A & C
XVME-951Q: PXTl
PCMT
CARD
Figure 1-1, Module Operational Block Diagram
1-2
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XVME-951 Manual
June 1994
1.4 SPECIFIC ATIONS
Table 1-1 lists the various operational specifications for the XVME-951 adapter module.
Table 1-1. Adapter Module Specifications
Characteristic
Power Requirements (without PC/XT card
installed)
Buffer Outputs
Allowable PC/XT Card Dimensions
PC/XT Signals
VMEbus Compliance
Specification
+5V: 250 mA, typical
450 mA, maximum
VoL: .5V max. IoL: 64 mA
VoH: 2.0V min. IOH: -15 mA
Height: 4.0" max., 3.5" min.
Width: 5.70" max.
Buffered:
SAO-SA19
SMEMR*, SMEMW*
IOW*, IOR*
DACKl",
2* & 3*
T/C, BALE
REFRESH*
CLK
osc
RESETDRV
AEN
IRQ3-7, 9
DRQ1-3
Unbuffered:
SDO-7
I/O CH CK*
I/O CH RDY*
Double-high, double-wide VMEbus form factor
1-3
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Chapter 2 - INSTALLATION
2.1 INTRODUCTION
This chapter explains how to install the XVME-951 adapter module in three steps: attaching the PC/XT
card to the XVME-951 card, connecting the disk drive cables, and installing the entire module into the
VMEbus system. The first and second steps are the same for both versions
of the XVME-95 1, but the
third step depends on which version of the XVME-951 is being used.
2.2 INSTALLING A SHORT CARD
Before you attach the PC/XT short card to the XVME-951 adaptor, refer to Figure 2-1 below.
Figure 2-1. XVME-951 with PC/XT Short Card
2-1
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Chapter 2 - Installation
To attach a PC/XT short card to the XVME-951 module board, follow the instructions below:
1.
2.
3.
4.
5.
6.
7.
The adjustable card mounting bracket on the XVME-951 (located near the P2 connector) needs to
be removed from the module board before the PC/XT card can be attached. To detach the bracket,
simply remove both screws.
Hold the PC/XT card so that the side with the components on it faces up and the ORB is at the front
panel side of the module. The edge connector of the PC/XT card should now face the card edge
receptacle that is on the XVME-951. Slide the edge connector into the card edge receptacle until
fully engaged (only minimal pressure should be applied).
Center the protective mylar on the card mounting holes near the top edge of the PC/XT card. The
mylar should extend under the PC/XT card to prevent it from touching the XVME-951.
Snap the plastic edge of the card mounting bracket onto the top edge of the PC/XT card, keeping
the protective mylar centered beneath it.
NOTE
Never operate the XVME-951 without the protective mylar installed under
the card mounting bracket and PC/XT card. Operating the XVME-951
without the mylar may damage the XVME-951 and/or PC/XT card.
If necessary, slide the bracket and/or mylar in the needed direction to properly align the slots in the
bracket, the holes in the mylar, and the mounting holes in the XVME-951.
When the holes are properly aligned, tighten the two screws, lock washers, and nuts firmly, so that
the nuts are on the same side of the board as the card.
Slide down the adjustable ORB bracket on the front panel (located near the top of the XVME-951)
until it touches the PC/XT card
ORB. Then tighten the two together with the nut and screw
provided.
2-2
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ME-951 Manual
June
1994
8. Install the jumpers on the XVME-951 required by the PC/XT card installed. The IRQ signals and
DRQ signals are buffered from the PC/XT card and, through the jumpers, are driven to the CPU
module. Thesejumpers (shipped with the XVME-951) must be installed only if the corresponding
signal is needed by the PC/XT module and only if the corresponding signal does not conflict with
the CPU module. The jumpers are mapped to the signals as follows:
Table 2-1. Jumper Signals
All jumpers are out when shipped from the factory. Only install the ones needed by a particular
PUXT module installed on the XVME-95
1 module.
NOTE
J1 must be installed for proper operation.
I I
2-3
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Chapter 2 - Installation
2.3 INSTALLING DISK DRIVE CABLES
Both versions of the XVME-951 have holes in the PCB to facilitate routing cables for disk drive modules
such as the XVME-955. When using these drive modules, the XVME-951 resides between the CPU
module and the disk drive module. The cables, which connect the CPU module to the disk drive module,
route through these holes as illustrated in Figure 2-2.
If you are not using a disk drive module, go to the next section. Otherwise, follow the steps outlined
below:
1.
2.
3.
The cables shipped with the disk drive unit are not long enough to accommodate passage through
the XVME-951. The cables need
to be 13 inches long. These longer cables need to be made or
may be ordered from Xycom.
Connect both cables to the CPU module in an orientation such that the cables route towards the P1
and
P2 connector of the CPU module.
Route the cables through the holes in the XVME-951's
PCB. After passing through the holes, the
cables will route on the right side of the XVME-951 and connect to the disk drive module.
ROUTING
CABLES
COMPONENT SIDE
r I
Figure 2-2. Installing. the XVME-951/1/2 Disk Drive Cables
2-4
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ME-951 Manual
June 1994
2.4 INSTALLING THE MODULE
The XVME-951 comes in two versions: /1 and /2. The XVME-951/1 is used to interface with CPU
modules which connect the PCbus to the VME P2 connector (such as Xycom's XVME-684, 686, and
687). The XVME-951/2 is used
to interface with CPU modules which connect the PCbus to the
interboard connector PXTl (such as Xycom's XVME-674, 677, 678, and 688). Refer to Section 2.4.1
for the XVME-951/1, or 2.4.2 for XVME-951/2.
2.4.1 Installing an XVME-951/1
To install an XVME-951/1 module:
1.
2.
3.
4.
5.
Install the CPU module and insure the two cardcage slots to the right of the CPU module are clear
and accessible. The XVME-951/1 module occupies two slots and needs to be placed to the right
of the CPU module.
Center the XVME-951/1 module on the plastic guides in the slots.
Push the module slowly to the rear of the chassis until the P1 and P2 connectors engage.
Apply straightforward pressure to the handles on the front panel until the connectors engage and are
properly seated.
Install the backplane connector
The backplane connector used to connect the CPU module's P2 connector(§) to the XVME-95111
module's P2 connector needs to be installed. The installationdepends on whether the CPU module
is comprised of two boards (XVME-684 and
687) or one board (XVME-686).
Refer to Section 2.4.1.1 for instructions on installing a backplane connector for two board CPU
modules and to Section 2.4.1.2 for instructions on installing a backplane connector for the one board
CPU module.
2-5
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Chapter 2 - Installation
2.4.1.1 TWO Board CPU Modules (XVME-684 and XVME-687)
Two board CPU modules utilize a three position backplane (shipped with the CPU module) to connect
the boards’ P2 connectors.
To install into the backplane:
1. Remove the two position backplane if it
is already installed. On the back side of the VMEbus P2
backplane, locate the three P2 connectors used by the CPU module and the XVME-951/1 module.
2. Install the three position backplane (shippedwith the XVME-951/1) into the three P2 connectors of
the P2 backplane. Make sure pin 1, clearly marked on the three position backplane, is oriented
towards the top.
2.4.1.2 One Board CPU Modules (XVME-686)
The CPU module and the XVME-951/1 module will occupy three slots, but only connect to two P2
connectors. (The right-most slot will be occupied by the XVME-951/1 but have no P2 connection.)
To install into the backplane:
1. Locate the P2 connectors which correspond to the three slots occupied by the CPU module and the
XVME-951 on the back side of the VMEbus P2 backplane.
2. Install the three position backplane (shipped with the XVME-951/1) into the three P2 connectors of
the P2 backplane. Make sure pin 1, clearly marked on the three position backplane, is oriented
towards the top.
2-6
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2.4.2 Installing an xVME-951/2
This section details the installation of an XVME-951/2 module to a CPU module or an XVME-956112
or XVME-957/12 module.
Before you start the installation:
1. The XVME-951/2 module occupies two slots and needs to be placed next to the CPU module.
Insure that the following cardcage slot(s) are clear and accessible:
slot(s) occupied by the CPU module
slots to the right of the CPU module (required by the XVME-95112)
2. Locate the bag containing the screws and standoffs which shipped with the XVME-951/2.
2.4.2.1 Installing an xVME-951/2Module onto a CPU Module
To install an XVME-951/2 module onto a CPU module:
1. Remove and discard the connector P2 screw and nut closest to the bottom corner of the CPU
module. Refer to Figure 2-3.
2. Attach the long female/female standoff to the solder side of the XVME-951/2 module, as illustrated
in Figure 2-3, using a short screw.
3. Attach the short female/female standoff to the solder side of the XVME-951/2module, as illustrated
in Figure 2-3, using a short screw.
2- 7
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Chapter 2 - Installation
STANDOFF
PXT 1
CONNECTOR
EXISTING
SCREW
AND NUT
XVME-951 '
4
COMPONENT
I/ SIDE
I SCREW(4)
COMPONENT
/ SIDE
SCREW(4)
a-
' I
\
'%
'I
\
'%
\
\
Figure 2-3. Installing the XVME-951/2 onto a CPU
4. Align the pins of the XVME-951/2 module's PXTl connector with the CPU module's PXTl
connector socket. Gently press the two modules together until the standoffs (mounted on the 951
module) touch the component side of the CPU module. Insure that the two holes
on the CPU
module align with the standoffs.
5. Insert two long screws through the solder side of the CPU module into the standoffs.
2-8
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mE-951 Manual
June 1994
6. Center the boards of the CPU and XVME-951/2modules onthe plastic guides of the VME chassis.
7. Push the modules slowly to the rear of the chassis until the P1 and P2 connectors
of the CPU
module engage.
8. Apply straightforward pressure to the handles of the front panel of the CPU module until its
connectors engage and are properly seated.
Do not apply pressure to the handles on the front panel
of the XVME-951/2 because there are no P1 and P2 connectors on the XVME-951/2.
2.4.2.3
Installing an XVME-951/2 Module onto an XVME-956/12 or 956112 Module
To install an XVME-951/2 module onto an XVME-956/12 or 957/12 module:
1. Remove the two screws from the component side of the XVME-956/12 or the 957/12 module.
Refer to Figure 2-4.
2. Screwthe supplied male/female standoffs into the XVME-956/12 or 957/12, where the screws were
removed in Step 1. Refer to Figure 2-4.
3. Align the pins of the XVME-951/2 module's PATl connector with the XVME-956/12 or XVME-
957/12 module's PATl connector socket. Gently press the modules together until the standoffs
(mounted on the 956 or 957 module) touch the solder side of the 951 module. Insure that the two
holes on the 951 module align with the standoffs.
4. Insert the two screws from Step 1through the component side of the XVME-95112 module into the
standoffs.
5.
Align the pins of the XVME-956/12 or 957/12 module's PATl connector with the CPU module's
PXTl and PATl connector socket. Then secure the 956/12 or 957/12 and 951/2 assembly to the
CPU module using long and short female/female standoffs and long screws supplied with the 956/12
or 957/12 module.
6. Center the boards of the CPU, XVME-956/12 or 957/12, and XVME-951/2 modules on the plastic
guides of the VME chassis.
7. Push the modules slowly to the rear of the chassis until the P1 and P2 connectors of the CPU
module engage.
8. Apply straightforward pressure to the handles of the front panel of the CPU module until its
connectors engage and are properly seated.
Do not apply pressure to the handles on the front panels
of the XVME-956/12 or XVME-957/12 and XVME-951/2, because there are no P1 and P2
connectors on these modules.
2-9
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