Toshiba T5200 Maintenance Manual

MAINTENANCE MANUAL
MODEL:T5200
MODEL:T5200C
CHAP:1 HARDWARE OVERVIEW
SECT:1.1
1.1 GENERAL
Toshiba Personal Computer is a compact and advanced portable personal
computer. The T5200 is a high-performance system with special features.
The CPU is the 80386-20 32-bit microprocessor, operated at 20 MHz with
32 Kbytes high speed cache memory.
The hard disk drive (HDD) has a capacity of 100 Mbytes (T5200/100
model) or 40 Mbytes (T5200 model)
The floppy disk drive (FDD) can support 2DD (720 Kbytes) and 2HD (1.44
Mbytes) floppy disks.
The standard memory has a capacity of 2 Mbytes, expandable up to 8
Mbytes maximum.
The plasma display supports high resolution video graphics (VGA
compatible) with 640 by 480 pixels (dots) and 16-levels of gray scale.
The display mode is three mode, CGA mode, VGA-color mode, and
VGA-monochrome mode.
The keyboard has 91/92-key with the keys of a subset of the
industry standard 101/102-key keyboard. For most
applications it can be used exactly like a standard
typewriter keyboard.
The universal auto-sensing power supply is used for world- wide usage.
The T5200 includes two internal IBM compatible expansion slots (one
full lenge 16-bit slot and one half
T3100 size expansion slot.
The interface connector has one PRT/EXT. FDD connector (25-pin), two
serial connectors (9-pin), and VGA connector (15-pin).
<fig id=MMS\5200\52001_1.TIF>Figure 1-1</fig> T5200 personal computer
<fig id=MMS\5200\52001_2.TIF>Page 1-2</fig>
SYSTEM UNIT
The configuration of the system unit is shown in figure 1-2.
<fig id=MMS\5200\52001_2.TIF>Figure 1-2</fig> System unit configuration
<fig id=MMS\5200\52001_3.TIF>Page 1-3</fig>
The key features of the system unit are:
o A system board, memory board, I/O board, high resolution
graphics subsystem (HRGS) board, back panel board, and LED
board.
o An internal 3.5-inch floppy disk drive (FDD) supporting two
media types:
2HD (double-side, high-density, double-track)
2DD (double-side, double-density, double-track)
The 2HD and 2DD floppy disks can be formatted with 1.44 Mbytes
and 720 Kbytes of storage capacity respectively.
lenge 8-bit slot) and one Toshiba