Toshiba T-Series T1200 Operation & User’s Manual

Text of Toshiba T-Series T1200 User Guide:

• B.4.2 Digital output register (3F2H Write) Bit 7 I 6 5 4 3 2 , 0 Not used MONB MONA IDEN FRST DSL1 OSLO + MONB When this bit is "1", motor of the drive B is on. + MONA When this bit is "1", motor of the drive A is on. + IDEN When this bit is "1", IRQ and DRQ are enabled. - FRST When this bit is &qu

• Toshiba T-Series T1200, PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TABLE 5-8 Expansion Bus Connector (C side/D side) Signal Names SIGNAL 1/0 DESCRIPTION PIN SIGNAL 1/0 DESCRIPTION - NOT USED 21 - NOT USED - NOT USED 22 GND GROUND (OV) NOT USED 23 DACKOO 0 DMA ACKNOWLEDGE - SIGNAL - NOT USED 24 - NOT USED - NOT USED 25 - NOT USED - NOT USED 26 - NOT USED - NOT USED 27 - NOT USED - NOT USED 28 10ERRO I 1/0 ERROR - NOT USED 29 - NOT USED GND GROUND (OV) 30 GND GROUND (OV) - NOT USED 31 - NOT USED NOT USED 32 DACK20 0 DMA ACKNOWLEDGE - SIGNAL IRQ61 I INTERRUPT REQUEST 33 - NOT

• Toshiba T-Series T1200, 3.18.2 Operations 1. After pressing 5 and Enter to select from the DIAGNOSTICS MENU, the error information logged in the RAM or on the floppy disk is displayed as shown below. XXXXX ERRORS CNT TEST NAME PASS STS AOOR WO RO ERROR STATUS NAME 001 001 FOO 02 FOO 01 0000 103 00001 00 00 FOO - WRITE PROTECTED 0000 180 00001 00 00 FOO - TIME OUT ERROR 1 Adj.. 1 Read data Error status Pass count Write data Error status name Sub test nu

• Toshiba T-Series T1200, E.2 IIBMORY ASSIGRIIBNT 1'OR TBB Ell UNIT 00 00" FFF 9F AO 00 (4 OO( Window 64k byte ~ s ". ... EFF FOO FF 00 EFF FF System Memory 640 kbytes - --- EM (Expanded Memory) Unit Expanded Memory Page 0 - Page 1 -" Page Register Page 2 16kbytes Page 3 16 kbytes ~ ~ 16kbytes ~, .." 16 kbytes ~ Page 23 • 1 page - 16 kbytes In the T1200 system, max. 384-kbyt of the memory space is provided. FIGURE E-l Memory Assignment for the EMU E - 2 e

• Toshiba T-Series T1200, PROCBDURB 2 Format Execution CAUTION: The contents of the hard disk will be erased when the FORMAT command is run. Before running the test, transfer the con tens of the hard disk on the floppy disk. This can be done with the ME-DOS BACKUP command. (See the MS-DOS manual for details.> 1. Remove the diagnostics disk, and then insert the ME-DOS system disk to the FDD. 2. To set the partition of the hard disk, enter the FDISK command. (See the MS-DOS manual for details.> 3. To format the hard disk, enter the FORMAT command. (See the MS-DOS manual for details.> 4. If normal operation

• Toshiba T-Series T1200, A 3.5-inch Floppy disk drive (FOO) is double-sided, double-density, double-track with storage capacity of 720 kilobytes (formatted). A 3.5-inch hard disk drive (HOD) with storage capacity of 20 megabytes is an equipment of the former. The high-resolution liquid crystal display (LCD) with pixels of 640 in columns and 200 in rows. The keyboard has 82 keys. For most applications it can be used exactly like a standard typewriter keyboard. Intelligent power supply apart

• Toshiba T-Series T1200, Subtest 05 Card modem 100pback (Execution time: 5 seconds) Rote: If there is no modem card in the system, this test can not be executed. Press the Fn + SysReq key, then confirm that the Built-in modem power is on. This test is used to check whether the data, which is from the modem to the RS232C inside the system, is same as the original data which had first been sent to the modem card. Subtest 06 Card modem on-line test (Execution time: 10 seconds) Rote:

• Toshiba T-Series T1200, PROCBDURB 1 Display Check 1. Turn the POWER switch off. 2. After turning the POWER switch on again, the following message should appear in the upper left-hand corner of the screen: IIBIIORY TEST IllkS 3. If the message appears, go to PROCEDURE 3. 4. If the message does not appear, first do the following: Ca) Confirm that tpe contrast knob is adjusted correctly. Cb) Confirm that the display is not on an external CRT. (The CRT indicator lamp will be lit if the displa

• Toshiba T-Series T1200, 3. COpy Selection (1) When COPY is selected, the following message will appear. DIAGNOSTICS - COpy Type select (1:2D-04D.2:2D-08DE.3:2HD-08DE.4:2DD-2DD) ?_ (2) Select a media/drive type number. Type the number. The following message will then appear. Insert source disk into drive A : Press any key when ready. (3) Remove the diagnostics disk from the FDD and insert the source disk~ press any key. The Copy started message will then appear. After that, the following message will appear. Insert target disk into drive A Press any key when rea

• Toshiba T-Series T1200, 4.14 RBMOnRG/RBPLACDIG IftIB LCD MASK 1. Confirm that the POWER switch is off. 2. Open the LCD by sliding the two side latches (A) forward while pulling upward. FIGURE 4-21 Opening the LCD 4-19

• Toshiba T-Series T1200, B. S PUNc-rIORS OF !'lIB PRIRTBk COIIftOLLBR Printer Controller is mainly composed of the following three registers. - Data Register (Read/Write 318H) - Status Register (Read 319H) - Control Register (Read/Write 31AH) B.S.I Data register output (318H) Bit 7 6 5 4 3 2 1 0 Data7 Data6 DataS Data4 Data3 Data2 Data 1 DataO By this register, 8-bit write data is set. These bits are sent to the printer through the driver (LSOS). B.S.2 Data register input (318H) By this register, the response data from the prin

• Toshiba T-Series T1200, 6. Remove the three screws (H) from the FDD base. 7. After disconnecting the FDD cable (I) from the system PCB, gently lift the FDD base up and toward the front of the unit. At this time, remove the HOD mask panel (J) from the FDD base. 8. To remove the expansion bus cable (X), remove the two screws (L) from the FDD base. (H) FIGURE 4-15 Removing the FDD Base 9. To install a new FDD base, follow the above procedures in reverse. 4-13

• RASELO : Refresh Address Selection (Output) This signal is an input selection signal to the V-RAM address multiplexer. If this is low, the display refresh address lines (RA051-RA121) are selected and supplied to the V-RAM. If it is high, the I/O bus address lines are selected and supplied to the V-RAM. CCOI-CC71 :

• Toshiba T-Series T1200, E. 4 CORPIGURA!'IOR PORT OF 'I'D 8M UNIT An EM board currently sold on the market has a configuration switch for I/O address setting. In the Tl200 system, configuration of the EM unit is executed by setting the ports OEEH and OEFH as the index register and data register for each. Definition of these two registers are as follows; TABLE E-2 Index/Data Registers and Bit Assignment of the EMC Register I~ Index Address Data Register Write Read 50 EM Conf. Reg. - 0 of- EM 51 EM Conf. Reg. - 1 of- Write Read EM bi

• Toshiba T-Series T1200, 3.10 ASYRC TEST For subtest 01 to subtest OS, transmission is done as follows in the communication. Speed: 9600 BPS Data: 8 bits + parity (EVEN) 1 stop bit 20H to 7EH Subtest 01 Wrap around (channell) (Execution time: 1 second) Bote: An RS232C wrap around connector must be connected to channel 1 to execute this test. RS232C wrap around connector wiring diagram described in part 3.22. Performs a data send/receive test with the wrap around connector for the channell. S

• Toshiba T-Series T1200, 3. Using tweezers or a fine-pointed instrument, peel off the TOSHIBA label (B) and keep it in a clean place. 4. Remove the single flatheaded countersunk screw (C) and take the LCD mask (D) off by pulling it slightly forward and upward. FIGURE 4-22 Removinq the LCD Mask 5. To install a new LCD mask, follow t.he above procedures in reverse. 4-20

• Toshiba T-Series T1200, Pin I/O SYMBOL Signal name and Description 72 I AEN OMAEN OMA address enable signal. This signal is generated from the AEN signal of the 82C37 73 0 CPCLK CPClK1 CPU Clock: 4.77 MHz (Slow) 9.54 MHz (Fast) 74 0 XMEMR XMEROO Memory read command 75 110 MEMW MEWRO Memory write command 76 I ROY IOROY1 110 ready signal 77 0 DMSL OMSELO V-RAM select signal 78 Vcc + 5V 79 0 ECRT FLTOSl1 Flat display select signal 80 0 OFNT CHFONTO Double font select signal 81 0 lOOMS 10OMSO 100 Bus memory select signal 82 I MeReS MeReso Machine control register chip select 83 0 BWHEN BWHENO High data (odd) enable signal

• PROCBDUIlB 3 Display Test Execution 1. Insert the diagnostics disk into the FDD and run the test and diagnostics programs. 2. If an error is generated during the display test from the diagnostics test menu, the system PCB is probably defective. Refer to part 2.4. 3. If no error is generated, the LCD is normal. 2-39

• Toshiba T-Series T1200, 0.5.4 Video signals (9 lines) These are 9 video signals output from the gate array, and they are commonly used for the LCD, and for the CRT. Meaning of the signals for each display is as followSi TABLE 0-6 Video Signals GA signal LCO CRTdis~lax RGB LPHSl LLPl CHSYl FPVSl LFPl CVSYl FRHVl LFRl 01Rl LOll CRVl 02Gl L021 CGVl 03Bl L031 CBVl 0411 L041 CIVl SXVOl LSCKO 0.5.5 Display mode select signals(3 lines) CHFONTO : Chanqe Character Font (Input) Composite - - CMPl CMPl CMPl CMPl CMPl CMPl This signal is to change the font displa

• 4. DUMP Selection (1) When DUMP is selected, the following message will appear. [HDD&FLOPPY DISK DATA DUMP] format type select (O:2DD.l:2D,2:2HD,3:HDD) ? (2) Select a format type number. Type the number. If 3 is selected, the dump lists for the hard disk are displayed automatically. 0: Display a dump list for a

• Toshiba T-Series T1200, Pin 1/0 SYMBOL Signal name and Description 26 0 A01 A011: Address bit 1 27 0 IOD6 IOD61: Bidirectional 1/0 data bus 28 Vcc + 5Vdc 29 GND Ground 30 0 IOD7 IOD71: Bidirectional 1/0 data bus 31 GND Ground 31 I IOD51-IOD01 : - Bidirectional 110 data bus 36 37 I HlDA HlDA1: During the CPU cycle, this signal is "1". During the DMA cycle, this signal is "2". 38 0 CAlE CAlE1 : Address AD191-AD001 is latched at the rising edge of the "H" pulse. 39 0 PDICS P

• Toshiba T-Series T1200, 1.6 KEYBOARD The keyboard is mounted on the system and has 82 keys. These consist of 48 standard keys, 10 function keys, 10 cursor keys, 13 functional keypads, and Fn key. The keyboard is just a key matrix built up by the above keys. The keyboard is connected to the keyboard controller on the system PCB through a 22-pin flat cable. FIGURE 1-6 Keyboard 1-9

• Toshiba T-Series T1200, Pin 1/0 SYMBOL Signal name and Description 56 I 10ER 10ERRO 110 error. It is low active. 57 TC2 TC20UT1 Output signal from the channel 2 of the 82C53. 58 0 DRDY DRDY1 Bus ready signal during the DMA cycle. 59 I/O INTA INTAO Interrupt acknowledge signal 60 I RERQ RERQ1 Refresh request 61 110 DMER MERDO Memory data read command 62 I DHRQ DHRQ1 DMA hold request signal from the 82C37 63 I DACK3 DACK30 DMA acknowlegde signal for channel 3 64 0 SPKDR SPKDRO Speaker Drive signal 65 GND Ground 66 0 RASTl RASTlO RAS Strobe Timing low signa

• Toshiba T-Series T1200, Subtest 05 Subtest 06 Subtest 07 Subtest 08 Write/Read/Compare seconds) (CE) (Execution time: 2 This test writes BsADAD warst pattern data to the CE cylinder and then reads the data out and compares it to the original data. Write specified address (Execution time: 1 second) This test writes specified data to a specified cylinder and head. Read specified address (Execution time: 1 second) This test reads data which has been written to a specified cy

• Toshiba T-Series T1200, 5.3.5 COMP connector 1 FIGURE 5-10 COMP Connector TABLE 5-5 COMP Connector Signal Names PIN SIGNAL 1/0 DESCRIPTION 1 P26CP 0 COMPOSITE VIDEO 2 GND GROUND iO Vl 5.3.6 Key pad connector FIGURE 5-11 Key Pad Connector TABLE 5-6 Key Pad Connector Signal Names PIN SIGNAL I/O DESCRIPTION 1 GND GROUND (0 V) 2 TENKEY 1 I/O +TENKEY 5-11

• Toshiba T-Series T1200, 4. Move the LCD cover subassembly (C) forward again to free it from the unit's top cover (D). FIGURE 4-26 Removing the LCD Cover Subassembly 5. Remove the hinge cover (E) and the torsion bar (F) from the top cover. FIGURE 4-27 Removing the Hinge Cover and Torsion Bar 6. Replacement procedures are described in part 4.18. 4-23

• Toshiba T-Series T1200, The relation of these three signals and character fonts on the screen are as follows 1 TABLE 0-7 Signals and Character Fonts Bit 3 of GA Input GAoutput Selected Selected attribute CHFO CHFO PDPO INTE CGM Display Display byte NTO SL1 N1 01 Display Display 80x25 0 H H H H H LCD 8x8double or 1 H H H L H LCD 8x8single 40x25 L H LCD 8x8single 0 L H H 1 L H H H H LCD 8x8double 80x25 0 H L X H H CRT 8x8double or 1 H L X H H CRT

• Toshiba T-Series T1200, Pin I/O SYMBOL Signal name and Description 51 I RFEND RFEND1: Refresh end signal 52 I FDRDY FDRDY1: FDD ready 53 I Vee MVRAM: 5Vdc 54 I lBAT lBATO: low battery signal 55 0 A011: Sysgtem address bus 56 I RPDA RPDAT1: Receive PS data 57 I ZRDIS ZRDISO: V-RAM disable signal 58 I MIRQ MIRQO: Modem interrupt request 59 0 SPDA' SPDATO: Send PS data. Normally inverted data is output 60 0 PRTSl PRTSlO: Printer select signal 61 I CEl CElO: V-RAM chip enable signal 62 I AOO AOB 1: System address 63 I DACKO DACKO: Memory refresh signal 64 0 FDDSl FDDSlO: FDD select signal 65

More Instructions:

	Toshiba T-Series T1200 Operation & user’s manual 15-10-2022 135	DOWNLOAD
	Toshiba T-Series T1200 Specifications 31-08-2022 5	DOWNLOAD

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