1-9
The T3300SL system board diagrammed in Figure 1-3 is composed of the following major components:
❑
80386SL-25 CPU
❑
Socket for an optional 80387SX-25 Numeric Data Processor (NDP)
❑
82360SL ISA peripheral I/O chip contains the following components:
Two Direct Memory Access Controllers (DMACs): 82C37A
Two Programmable Interrupt Controllers (PICs):
82C59A
Two Programmable Interval Timers (PITs):
82C54
(T3300SL uses one PIT)
Two Serial Input/Ouput Controllers (SIOs):
16C450
(T3300SL uses one SIO)
One Real Time Clock (RTC):
146818AF
❑
Super Integration (SI), T9920, which stores the following components:
One Floppy Disk Controller (FDC):
TC8565
One Variable Frequency Oscillator (VFO):
TC8568
❑
Keyboard Controller (KBC): M37452M4
❑
Power Supply Controller (PSC): U47C660
❑
Memory:
Standard RAM:
2MB
BIOS ROM:
128KB (96KB are used)
BIOS ROM contains the Initial Reliability Test (IRT), the system’s
Basic Input/Output System (BIOS), and the video BIOS.
Video RAM:
256KB
Cache memory:
64KB
Optional memory cards can expand the memory to a maximum of 18MB.
❑
IC card controller gate array: GA-ICCNT (144-pin)
❑
Refresh controller gate array: GA-REFCNT (44-pin)
❑
VGA display controller (WD90C21): PVGA1F (132-pin)
Содержание T-Series T3300sl
Страница 1: ...1 1 Chapter 1 Hardware Overview ...
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Страница 47: ...3 1 Chapter 3 Tests and Diagnostics ...
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Страница 111: ...4 1 Chapter 4 Replacement Procedures ...
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Страница 153: ...App 1 Appendices ...
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Страница 157: ...App 5 Appendix A System Board Layout A 1 System Board ICs Figure A 1 System board ICs front 5 4 3 1 2 x ...
Страница 158: ...App 6 Figure A 2 System board ICs back 6 7 8 9 10 ...
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Страница 161: ...App 9 A 2 System Board Connectors Figure A 3 System board connectors front 3 2 1 4 5 6 7 10 9 8 11 13 14 x 12 ...
Страница 162: ...App 10 Figure A 4 System board connectors back 17 16 15 ...
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Страница 165: ...App 13 A 3 System Board Oscillators Figure A 5 System board oscillators front 1 2 4 3 x ...
Страница 166: ...App 14 Figure A 6 System board oscillators back 9 8 7 5 6 ...
Страница 177: ...App 25 Appendix C ASCII Character Codes Table C 1 ASCII character codes ...
Страница 183: ...App 31 Appendix E KeyboardLayouts E 1 USA Keyboard Figure E 1 USA keyboard E 2 UK Keyboard Figure E 2 UK keyboard ...
Страница 184: ...App 32 E 3 German Keyboard Figure E 3 German keyboard E 4 French Keyboard Figure E 4 French keyboard ...
Страница 185: ...App 33 E 5 Spanish Keyboard Figure E 5 Spanish keyboard E 6 Italian Keyboard Figure E 6 Italian keyboard ...
Страница 190: ...T3300SL NOTES ...
Страница 191: ...Inside Back Cover Replace with blank page ...