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PB751-AT MANUAL

FUNCTIONAL DESCRIPTION

MANUAL 00650-100-10 Page 7

TABLE 1.

Hex Range Usage

000-00F DMA Chip 8237A-5

020-021 Interrupt 8259A

040-043 Timer 8253-5

060-063 PPI 8255A-5

080-083 DMA Page Register

0AX NMI Mask Register

0CX Reserved

0EX Reserved

100-1FF Not Usable

200-20F Game Control

210-217 Expansion Unit

220-24F Reserved

278-27F Reserved

2F0-2F7 Reserved

2F8-2FF Asynchronous Communication (secondary)

300-31F Prototype Card

320-32F Fixed Disk

378-37F Printer

380-38C** SDLC Communications

380-389** Binary Synchronous Comm. (secondary)

3A0-3A9 Binary Synchronous Comm. (primary)

3B0-3BF IBM Monochrome Display/Printer

3C0-3CF Reserved

3D0-3DF Color/Graphics

3E0-3E7 Reserved

3F0-3F7 Diskette

3F8-3FF Asynchronous Communication (primary)

** These options can not be used together - addresses over lap

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Содержание PB751-AT

Страница 1: ...Model PB751 AT Product Manual MANUAL NUMBER 00650 100 10B ...

Страница 2: ...ual in our online Support Library Thank you The information in this document is provided for reference only ICS Advent does not assume any liability arising from the application or use of the information or products described herein This document may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of ICS Adven...

Страница 3: ...ucts which are not in an as new and re saleable condition are not eligible for credit return and will be returned to the customer Limited Warranty Effective April 1 1998 all products carry a 2 year limited warranty Within two years of purchase ICS Advent will repair or replace at our option any defective product ICS Advent will service the warranty for all standard catalog products for the first t...

Страница 4: ...s made by various manufacturers in performing warranty repairs and building replacement products If ICS Advent repairs or replaces a product its warranty term is not extended ICSAdvent will normally return your replacement or repaired items via Second DayAir Overnight delivery or delivery via other carriers is available at an additional charge Limitation of Liability In no event shall ICS Advent b...

Страница 5: ... Cautions and Warnings are accented with triangular symbols The exclamation symbol is used in all cautions and warnings to help alert you to the important instructions The lightning flash symbol is used on the left hand side of a caution or a warning if the advisory relates to the presence of voltage which may be of sufficient magnitude to cause electrical shock Use caution when servicing any elec...

Страница 6: ...Page vi This page intentionally left blank ...

Страница 7: ...R 2 FUNCTIONAL DESCRIPTION 3 PC BUS PIN CONNECTIONS AND SIGNAL LIST 3 62 PIN CONNECTOR 3 36 PIN CONNECTOR 4 BUS SIGNAL LIST 4 I O ADDRESS MAP 6 CHAPTER 3 ADDRESS SELECTION 9 CHAPTER 4 OPTION SELECTION 11 CHAPTER 5 SPECIFICATIONS 13 SCHEMATIC 14 Current Revision 10B December 2000 ...

Страница 8: ...ctable computer behavior To install the card 1 Remove power from the computer 2 Remove the computer cover 3 Remove the blank I O backplate if you are going to make I O connections to this prototype card 4 Select the base address of the card See Address Selection section of this manual 5 Install jumpers for selection as either an I O card or as a Memory card See Option Selection section of this man...

Страница 9: ...PB751 AT MANUAL INSTALLATION Page 2 MANUAL 00650 100 10 This page intentionally left blank ...

Страница 10: ...power The card is supplied with a 37 pin sub D right angle connector and matching mounting bracket The properly spaced holes at the right end of the card will accommodate either one 37 pin sub D connector or one 25 pin and one 9 pin sub D connector or one 40 50 or 60 pin flat cable connector PC BUS PIN CONNECTIONS AND SIGNAL LIST 62 PIN CONNECTOR Bracket End of Card Ground B1 A1 IOCHCK Reset B2 A2...

Страница 11: ...n before the signal name signifies active low 5 In the PC and PC XT the bus consists only of the 62 pin portion Some of the signal names are different but the functionality remains the same BUS SIGNAL LIST The signal names used in this listing are for the AT Bus When appropriate the older names used for the PC XT are included in parenthesis I indicates that the signal is an input from the bus to t...

Страница 12: ...I O device on the bus that needs more time Never hold low for more than 10 clock cycles XT or 2 5 usec AT Cycles are extended in integral multiples of CLK cycles I O CS16 I I O 16 bit Chip Select Signals a 16 bit one wait state I O cycle This signal is active low and should be driven with an open collector or tri state driver capable of sinking 20 mA IOR O I O Read command This line tells an I O d...

Страница 13: ... up or during low line voltage Synchronized to the falling edge of CLK SA0 19 A0 19 O Address lines for the first 1 MB of memory SA0 is the least significant bit LSB SBHE O Bus High Enable system indicates a 16 bit transfer of data SD0 15 I O Data bits SD0 is the least significant bit LSB SMEMR O Memory Read This command tells memory on the bus to drive its data onto the data bus Used only with th...

Страница 14: ...0 217 Expansion Unit 220 24F Reserved 278 27F Reserved 2F0 2F7 Reserved 2F8 2FF Asynchronous Communication secondary 300 31F Prototype Card 320 32F Fixed Disk 378 37F Printer 380 38C SDLC Communications 380 389 Binary Synchronous Comm secondary 3A0 3A9 Binary Synchronous Comm primary 3B0 3BF IBM Monochrome Display Printer 3C0 3CF Reserved 3D0 3DF Color Graphics 3E0 3E7 Reserved 3F0 3F7 Diskette 3F...

Страница 15: ...PB751 AT MANUAL FUNCTIONAL DESCRIPTION Page 8 MANUAL 00650 100 10 This page intentionally left blank ...

Страница 16: ... base address first convert the desired hex address to binary form Then for each 1 of the binary address set the corresponding DIP switch to OFF and for each 0 of the binary number set the corresponding DIP switch to ON For example to program a base address of hex 300 11000000 binary set switches A9 and A8 to the OFF position and switches A7 through A2 to the ON position NOTE Carefully review the ...

Страница 17: ...PB751 AT MANUAL ADDRESS SELECTION Page 10 MANUAL 00650 100 10 This page intentionally left blank ...

Страница 18: ...es A2 through A9 are selected If the jumpers are installed between the lower two pins then Memory addresses A12 through A19 are activated Block of Addresses Reserved The size of a block of addresses reserved for the PB751 AT card is selected by the combination of DIP switch settings just mentioned and jumpers marked 8 16 32 32K 64K 128K and 256K The jumper positions marked 8 16 and 32 are primaril...

Страница 19: ...n certain DIP switches MUST be placed in the off position as follows 8 Bytes I O or 4KB Memory A2 must be OFF 16 Bytes I O or 8KB Memory A2 AND A3 must be OFF 32 Bytes I O or 16KB Memory A2 A3 AND A4 must be OFF 64 Bytes I O or 32KB Memory A2 A3 A4 AND A5 must be OFF 128 Bytes I O or 64KB Memory A2 A3 A4 A5 AND A6 must be OFF 256 Bytes I O or 128KB Memory A2 A3 A4 A5 A6 AND A7 must be OFF 512 Byte...

Страница 20: ...gned pads See Schematic Address Decode Decoding provided for either I O addresses or for Memory addresses Card address is DIP switch selectable Card Address Block Jumper selectable 8 16 or 32 bytes for I O card use and 32K 64K 128K or 256K for Memory card use Output Connector A 37 pin Sub D right angle connector and mounting bracket are included Properly spaced holes are provided for other combina...

Страница 21: ......

Страница 22: ...mmunity EN61000 4 3 1995RadiatedRFFieldImmunity EN61000 4 4 1995EFTImmunityforACandI OLines EN 60950 1992 Safety of InformationTechnology Equipment ThetechnicaldocumentationrequiredtodemonstratethisproductmeetstherequirementsoftheEMCDirective and the LowVoltage Directive has been compiled by ICSAdvent and is available for inspection by the relevant enforcement authorities Attention Theattentionoft...

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