SBS VME-TB21 User manual
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VME-TB21
Peripheral Transition Board
User’s Manual
Copyright © 1999-2003 by SBS Technologies, Inc.
*9100-51-036-B0*
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VME-TB21 User’s Manual
Document Number A-933-MN-02550-B0
Part Number 9100-51-036-B0
Revision By Date Comments
00 dlb 07-01-94 Initial release
01 dlb 02-06-96 Minor correction
A0 dlb 06-03-96 Update for board rev. A0
B0 jev 11-17-99 Update for board rev. B0
B0 jev 5-15-2003 Update for minor changes and current Logos
The information contained within this document has been carefully checked and
is believed to be entirely reliable and consistent with the product that it
describes. However, no responsibility is assumed for inaccuracies. Nor does
SBS Technologies, Inc. assume any liability arising out of the application or use
of any product or circuit described herein. SBS Technologies reserves the right
to make changes to any product and product documentation in an effort to
improve performance, reliability, or design. Furthermore, the information con-
tained herein is of a proprietary nature and is not to be reproduced without prior
written consent of SBS Technologies, Inc.
IBM, PC/AT, and AT are trademarks of International Business Machines
Corporation.
A number of conventions are used throughout this manual in order to provide
clarity and accuracy. These include:
• The use of an ‘H’ suffix to a number indicates that the number is written in
hexadecimal (base sixteen) notation.
• The use of a ‘-’ (minus) suffix to a signal name indicates that it is an active
low signal. The signal is either true when the signal is at a logic zero level or
the signal initiates actions on a high-to-low transition.
• Text in Courier Font indicates a command entry or output from an SBS
embedded PC product using its built-in character set.
Document Information
Revision History
Disclaimer
Trademarks
Conventions
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Contents
General Description 1
Features 1
Connector Locations 1
P2 Peripheral Interface 2
Floppy Drive Interface 4
SCSI Interface 5
IDE Drive Interface 6
Installation 8
Specifications 8
Tables
Table 1: P2 Peripheral Interface Signals 3
Table 2: Floppy Drive Interface Signals 4
Table 3: SCSI Interface Signals 6
Table 4: IDE Drive Interface Signals 7
Figures
Figure 1: Location of TB21 Connectors 1
Figure 2: P2 Peripheral Interface Connector Pin Locations 2
Figure 3: Floppy Interface Connector Pin Locations 4
Figure 4: SCSI Connector Pin Locations 5
Figure 5: IDE Interface Connector Pin Locations 6
Figure 8: TB21 Installation 8
Contents iii
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The VME-TB21 transition board is a companion to SBS Technologies VME-
2486, V5x, and PROx series Embedded PCs which provides a convenient
means of connecting remotely-mounted floppy drives, hard drives, and other
peripherals. The VME-TB21 routes the peripheral control signals supplied by
the aand crows of the Embedded PC’s P2 connector to standardized connec-
tors which are compatible with industry-standard signal definitions. The VME-
TB21 simply plugs onto the back of the P2 backplane in the slot position occu-
pied by the CPU card. Only the signals provided on P2 rows aand c, and power
(+5V/GND) from row b are utilized by the TB21. The extended VMEbus signals
on row bare not connected.
The VME-TB21 has a number of features which make it an excellent companion
to SBS Embedded Computers VME-2486, V5x, and PROx Embedded PCs:
• Directly Plug Compatible with VME-2486, V5x, and PROx series
• Connection to Floppy, IDE and SCSI
• Provides P2 Peripheral Interface Connector for SBS Drive Modules
NOTE: Power Connectors are not available on the VME-TB21.
The location of each connector of the VME-TB21 is shown in Figure 1.
VME-TB21 User’s Manual 1
General Description
Features
Connector Locations
P2 Peripheral Interface Connector
P2 VME Interface
Connector
Floppy Drive Interface Connector
SCSI Interface Connector
IDE Hard Disk
Interface Connector
J1
Pin 1
Figure 1 Location of TB21 Connectors
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VME-TB21 User’s Manual
2
P2 Peripheral Interface The P2 peripheral interface is provided to a three-row eurocard socket connec-
tor labeled P1 which has the center row, row b, not installed. As such, it does
not pass the extended VME signals found on P2 row b, but provides the SCSI,
IDE, and floppy drive signals found on P2 rows aand c. With this interface,
you can use a TB21 with your Embedded PC and still connect a SBS
Technologies VME-6200 drive module.
Figure 2 shows the pin numbering of the connector. Table 1 shows the signals
provided by the P2 peripheral interface.
Figure 2 P2 Peripheral Interface Connector Pin Locations
Pin C1
Pin C32 Pin A32
Pin A1
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VME-TB21 User’s Manual 3
Pin Number Row c Pin Row a Pin
1 HDMACK- DB0
2 HD0 DB1
3 HD1 DB2
4 HD2 DB3
5 HD3 DB4
6 HD4 DB5
7 HD5 DB6
8 HD6 DB7
9 HD7 PARITY-
10 HD8 ATN-
11 HD9 BSY-
12 HD10 ACK-
13 HD11 RST-
14 HD12 MSG-
15 HD13 SEL-
16 HD14 C/D-
17 HD15 REQ-
18 PDIAG I/O-
19 HDIOW- HSMARQ
20 HDIOR- FRWC-
21 IOCHRDY FINDEX-
22 HDALE FMTO-
23 IRQ14 FDS2-
24 IOCS16- FDS1-
25 HDA0 FMT1-
26 HDA1 FDIRC-
27 HDA2 FSTEP-
28 HCS0- FWD-
29 HCS1- FWE-
30 SLVACT- FTK0-
31 FHS- FWP-
32 FDSKCHG- FRD-
Table 1 P2 Peripheral Interface Signals
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VME-TB21 User’s Manual
4
The floppy drive interface is provided to a 34-position male header connector
(AMP part 103308-7 or equivalent) which will accept most standard floppy
cable assemblies. The connector is labeled “FLOPPY” on the TB21 silkscreen
and is component P3. Figure 3 shows the pin numbering of the connector. Table
2 shows the signals provided by the floppy interface.
Figure 3 Floppy Interface Connector Pin Locations
Pin 1
Pin 33 Pin 34
Pin 2
P3 Pin Signal Direction Signal Description
Odd GND Signal Ground
2 FRWC- To Drive Read/Write Control
4 NC Not Connected - Unused
6 NC Not Connected - Unused
8 FINDEX- From Drive Index Mark Detected
10 FMT0- To Drive Motor On 0
12 FDS2- To Drive Drive Select 2
14 FDS1- To Drive Drive Select 1
16 FMT1- To Drive Motor Control 1
18 FDIRC- To Drive Step Motor Direction Control
20 FSTEP- To Drive Motor Step Control
22 FWD- To Drive Write Data
24 FWE- To Drive Write Enable
26 FTK0- From Drive Track 0 Position
28 FWP- From Drive Floppy is Write Protected
30 FRD- From Drive Read Data
32 FHS- To Drive Head (Side) Select
34 FDSKCHG- From Drive Disk Change Indicator
Table 2 Floppy Drive Interface Signals
Floppy Drive Interface
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The SCSI hard disk interface is provided by a 50-position male header connec-
tor which will accept most standard SCSI drive ribbon cable assemblies. This
connector is labeled P4 and Figure 4 shows the pin locations of the connector.
The signals provided by the SCSI interface are shown in Table 3.
Note: Termination power is provided by the TB21 if the TB21 is being supplied
power via the power supply connector.
VME-TB21 User’s Manual 5
SCSI Interface
Figure 4 SCSI Connector Pin Locations
Pin 1
Pin 49 Pin 50
Pin 2
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VME-TB21 User’s Manual
6
The IDE hard drive interface is provided to a 40-position male header connector
(AMP part 103308-8 or equivalent) which will accept most standard IDE cable
assemblies. This connector is labeled P5 and Figure 5 shows the pin locations of
the connector. The IDE hard drive interface provides the signals shown in Table
4.
P4 Pin Signal Signal Description
Odd #s GND Signal Ground
2 SC0- Data Bit 0
4 SC1- Data Bit 1
6 SC2- Data Bit 2
8 SC3- Data Bit 3
10 SC4- Data Bit 4
12 SC5- Data Bit 5
14 SC6- Data Bit 6
16 SC7- Data Bit 7
18 SPAR- Data Bus Parity
20 GND Signal Ground
22 GND Signal Ground
24 GND Signal Ground
26 TRMPWR Terminator Power*
28 GND Signal Ground
30 GND Signal Ground
32 ATN- Attention
34 GND Signal Ground
36 SBSY- SCSI Bus Busy
38 SACK- Acknowledge
40 SRST- SCSI Bus Reset
42 SMSG- Message
44 SSEL- Select
46 SCD- Command/Data
48 SREQ- Request
50 SIO- Input/Output Data Direction
Table 3 SCSI Interface Signals
IDE Drive Interface
Pin 1
Pin 39 Pin 40
Pin 2
Figure 5 IDE Interface Connector Pin Locations
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VME-TB21 User’s Manual 7
P5 Pin Signal Direction Signal Description
1 HDRESET- To Drive Drive Reset
2 GND Signal Ground
3 HD07 Bidirectional Disk Data Bit 7
4 HD08 Bidirectional Disk Data Bit 8
5 HD06 Bidirectional Disk Data Bit 6
6 HD09 Bidirectional Disk Data Bit 9
7 HD05 Bidirectional Disk Data Bit 5
8 HD10 Bidirectional Disk Data Bit 10
9 HD04 Bidirectional Disk Data Bit 4
10 HD11 Bidirectional Disk Data Bit 11
11 HD03 Bidirectional Disk Data Bit 3
12 HD12 Bidirectional Disk Data Bit 12
13 HD02 Bidirectional Disk Data Bit 2
14 HD13 Bidirectional Disk Data Bit 13
15 HD01 Bidirectional Disk Data Bit 1
16 HD14 Bidirectional Disk Data Bit 14
17 HD00 Bidirectional Disk Data Bit 0
18 HD15 Bidirectional Disk Data Bit 15
19 GND Signal Ground
20 KEY Keying Pin Position
21 HDMARQ From Drive DMA Request
22 GND Signal Ground
23 HDIOW- To Drive Drive I/O Write
24 GND Signal Ground
25 HDIOR- To Drive Drive I/O Read
26 GND Signal Ground
27 IOCHRDY From Drive I/O Channel Ready
28 HDALE To Drive Address Latch Enable
29 HDMACK- To Drive DMA Acknowledge
30 GND Signal Ground
31 HDIRQ From Drive Interrupt Request
32 HDIOCS16 To Drive I/O Channel Select 16
33 HDA1 To Drive Address Line 1
34 PDIAG- Bidirectional Passed Diagnostics
35 HDA0 To Drive Address Line 0
36 HDA2 To Drive Address Line 2
37 HCS0- To Drive Chip Select 0
38 HCS1- To Drive Chip Select 1
39 SLVACT- To Drive Slave Active
40 GND Signal Ground
Table 4 IDE Drive Interface Signals
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The VME-TB21 can be installed into a VME-system by simply plugging the P2
connector of the TB21 onto the wire wrap pins or transition connector of most
VMEbus P2 backplanes in the slot position of the host CPU board. Once
installed, the VME-TB21 extends a maximum of 3 inches behind the P2 back-
plane mating connectors. Even with the disk drive signal and power connectors
installed, the VME-TB21 occupies only one VMEbus slot width (4HP) and will
not interfere with adjacent transition boards. To prevent exerting unecessary
force on the TB21, it is recommended that you connect all peripherals to the
TB21 before plugging it into the backplane.
NOTE: Ji should never be installed.
General Model VME-TB21
Description Peripheral Transition Board
Host Compatibility VME-2486, V5x and PROx
Electrical Power +5V, 400mA max. SCSI termination power
Physical Size 3.9" x 3.2" Overall
Environmental Temperature 0 to 55° Celsius Inlet Air, Operating
-40 to 85° Celsius, Non-Operating
Cooling None
Humidity 10 to 90% RH, Non-Condensing
Shock 6G Max. Operating, 10G Max. Non-
Operating
VME-TB21 User’s Manual
Installation
Specifications
V5C
P2 Backplane
TB21
Figure 8 TB21 Installation
8
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Artisan Technology Group is your source for quality
new and certied-used/pre-owned equipment
• FAST SHIPPING AND
DELIVERY
• TENS OF THOUSANDS OF
IN-STOCK ITEMS
• EQUIPMENT DEMOS
• HUNDREDS OF
MANUFACTURERS
SUPPORTED
• LEASING/MONTHLY
RENTALS
• ITAR CERTIFIED
SECURE ASSET SOLUTIONS
SERVICE CENTER REPAIRS
Experienced engineers and technicians on staff
at our full-service, in-house repair center
WE BUY USED EQUIPMENT
Sell your excess, underutilized, and idle used equipment
We also offer credit for buy-backs and trade-ins
www.artisantg.com/WeBuyEquipment
REMOTE INSPECTION
Remotely inspect equipment before purchasing with
our interactive website at www.instraview.com
LOOKING FOR MORE INFORMATION?
Visit us on the web at www.artisantg.com for more
information on price quotations, drivers, technical
specications, manuals, and documentation
Contact us: (888) 88-SOURCE | sales@artisantg.com | www.artisantg.com
SM
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Instra
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