2-5
2.1 General
The T2200SX system board contains the following functional components:
❑
One Intel 80386SX-20 32-bit microprocessor
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One Intel 80387SX-20 math coprocessor socket
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2MB of standard RAM
2MB (Four 512Kx8-bit chips)
No parity bit
Access time 70ns
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BIOS ROM (640KB)
128KB (One 64Kx16-bit chip)
64KB in the ROM are used for SYSTEM BIOS
32KB in the ROM are used for VGA BIOS
32KB in the ROM are not used
Access time 85ns
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32KB of back-up RAM
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256KB of video RAM
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Optional memory
Maximum 8MB for a system total of 10MB
One expansion memory slot is available for 2, 4, or 8MB memory cards
No parity bit
Access time 70ns
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T9901 Super Integrations (SI)
This Super Integration (SI) includes the following components:
Two Direct Memory Access Controllers (DMACs):
82C37A
Two Programmable Interrupt Controllers (PICs):
82C59A
One Programmable Interval Timer (PIT):
82C54
One Floppy Disk Controller (FDC):
TC8565
One Serial Input/Output Controller (SIO):
TC8570
One Variable Frequency Oscillator (VFO):
TC8568
One I/O Controller
❑
Video Controller
Paradise Video Graphics Array 1 (PVGA1)
❑
Gate Array
System Controller Gate Array (SYSCNT-GA)
Содержание T-Series T2200sx
Страница 1: ...1 1 Chapter 1 Hardware Overview ...
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Страница 17: ...2 1 Chapter 2 Operational Overview ...
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Страница 42: ...2 26 2 13 Connectors Appendix B contains the pin assignments for the connectors within the T2200SX ...
Страница 43: ...3 1 Chapter 3 Troubleshooting Procedures ...
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Страница 83: ...4 1 Chapter 4 Tests and Diagnostics ...
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Страница 141: ...5 1 Chapter 5 Disassembly Procedures ...
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Страница 169: ...6 1 Chapter 6 Reassembly Procedures ...
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Страница 191: ...App 1 Appendices ...
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Страница 195: ...App 5 Appendix A System Board Layout A 1 System Board FSTFGx ICs Figure A 1 System board FSTFGx ICs front A D D C B ...
Страница 196: ...App 6 Figure A 2 System board FSTFGx ICs back G G G G E F J H I K ...
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Страница 199: ...App 9 A 2 System Board FSTFGx Connectors Figure A 3 System board FSTFGx connectors front M G I D B R K L L H N J O C F ...
Страница 200: ...App 10 Figure A 4 System board FSTFGx connectors back E A P Q ...
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Страница 203: ...App 13 A 3 System Board FSTFGx OSCs Figure A 5 System board FSTFGx OSCs front F G H E ...
Страница 204: ...App 14 Figure A 6 System board FSTFGx OSCs back A B C D ...
Страница 215: ...App 25 Appendix C ASCII Character Codes Table C 1 ASCII character codes ...
Страница 222: ...App 32 E 3 German Keyboard Figure E 3 German keyboard E 4 French Keyboard Figure E 4 French keyboard ...