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Walkom NP-903

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This unbranded i386SX laptop from 1991 is a clone of the more common MicroStar (MSI) NoteStar NP-903.  Technical specifications: CPU: Intel i386SX 16MHz RAM:  2MB Graphic: Chips & Technologies 82C456 VGA Controller Chipset: Headland Technology, Inc. HT21 IDE / Floppy controller: Acer M5105 Floppy:  Citizen U0DA-19A Mainboard Power Supply Test Reviews PC Magazine, August 1991 (Modern Computer, Walkom NP-903) PC Magazine, January 1992 (MicroStar Computers, NoteStar NP-903) Remark: According to Wikipedia Modern Computer is another Product line of MicroStar. Upgrades RTC clock Dallas DS1287:  modern replacement:  nwX287 by Necroware (changeable battery)  Math Co-Processor: Cyrix FasMath 83S87 (fastest of the 387SX compatible coprocessors) RAM Upgrade from 2MB to 4MB Harddisk CF Compact Flash 2.5" 44Pin, 2mm, IDE Converter    Repairs Floppy drive If the floppy drive makes loud noises when the disk is accessed and nothing can be ...

Amiga OS 3.2.1 Installation in WinUAE

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 Prepare CF Disk Clean Connect the CF card to the PC. Click on the Windows icon (bottom left of the desktop) and then write "cmd" and run it as Administrator In the Command Prompt window that opens up type “diskpart” and press return. You will see that the usual C:\ prompt has now changed to DISKPART>. Now type “list disk”. You will be presented with a list of all the drives on your system. Locate the CF drive in the list. Type “select disk #” and replace the # with the drive number for your CF drive. Now type “clean”. All formatting info will be wiped from that drive. Close the Command Prompt window at this point. Partition Go to your install of WinUAE and right click the icon and select Run as Administrator. Go to the Floppy drives section and add your Workbench Install ADF image to DF0. Go to the CD & Hard Drives section and click on "Add Hard Drive". Make sure the CF card is connected to your reader and select the Hard Drive drop down menu and select your...

Ultimate64 Elite - Flash Rom Files

Flash ROM Files Due restrictions the Ultimate64 Elite board come without kernal, basic and chargen rom files. So at first startup you have to flash it from USB stick (the files can be found in e.g. VICE emulator C64 folder). Needed files: basic chargen kernal Add file extension ".rom" or ".bin" and copy it to the USB stick. Turn on the device, choose the USB stick, navigate to the files and select each ROM and run "Flash as Orig. ... ROM". Guide can also be found here .

EPROM Device ID List

  List of EPROM device IDs, as used in EPROM programming software such as XGPro: Device ID Name MFG Name Type 0115 AM27C64 AMD 27C64 0189 AM27128A AMD 27128(12.7V Vpp) 0116 AM27C128 AMD 27C128 0104 AM27256 AMD 27256 0110 AM27C256 AMD 27C256 0185 AM27512 AMD 27512 0191 AM27C512 AMD 27C512 010E AM27C010 AMD 27C010 0197 AM27C020 AMD 27C020 019B AM27C040 AMD 27C040 1E8C AT27C256R Atmel 27C256 1E8C AT27C256R*PLCC32 Atmel 27C256 1E0D AT27C512R Atmel 27C512 1E0D AT27C512R*PLCC32 Atmel 27C512 1E05 AT27C010 Atmel 27C010 1E86 AT27C020 Atmel 27C020 1E0B AT27C040 Atmel 27C040 1E8A AT27C080 Atmel 27C080 1E8C AT27LV256A Atmel 27C256 1E0D AT27LV512A Atmel 27C512 1E05 AT27LV010A Atmel 27C010 1E8C AT27BV256 Atmel 27C256 1E0D AT27BV512 Atmel 27C512 1E05 AT27BV010 Atmel 27C010 1E86 AT27BV020 Atmel 27C020 1E0B AT27BV040 Atmel 27C040 9B08 27C64A Eurotechnique 27C64 8F04 FM27C256 Fairchild 27C256 8F85 FM27C512 Fairchild 27C512 8F86 FM27C010 Fairchild 27C010 8F08 FM27C040 Fairchild 27C040 0402 MBM27256 F...