AppleInsider may earn an affiliate commission on … Steve Wozniak's handwritten Apple II schematics fetch over $630,000 at auction.Includes tests for motherboard RAM and ROM, keyboard and game …ĭeaccelerating The Apple IIc Plus Hackaday A collection of diagnostic programs for the Apple II+. Apple II Plus - Dealer Service Programs.

If you scan this, please use the highest scan resolution possible.Īpple II Plus - Bell & Howell Model - Mac Geek Apple II bus: IRQ and DMA priority - Retrocomputing Stack …Īpple service manuals, schematics, circuit diagrams, parts listsĪpple IIc Technical Reference Manual - Internet Archive

I know there may be a couple versions of this schematic, but the one that looks like mine is the one in the Apple II II+ Reference manual. And I need a high quality scan of the power supply's schematics.

The power supply has a bad electrolytic capacitor.

WebAppleCD_SC_Plus.pdf: 208.59 KB: 2 decades ago Apple Disk Drive Documentation Archive.zip: 76.32 MB: 1 decade ago Apple Disk II Drive - Manuel d'installation.pdf: 2.37 MB: 1 decade ago Apple Disk II … montagens de slides To be specific, for basic support of text and LORES/HIRES graphics, the card will need to shadow writes to these memory addresses: $0400-$07FF TEXT/LORES page 1.

But it promises a simple and easy solution when it comes time to use the card.

WebDue to the Apple II VGA scaler supporting all variations of the Apple II, II+, Europlus and IIe computers, there can be a bit of research required to configure the optional configuration jumper block and jumper wires.ĭrawing Apple MEGA-II Breakout in KiCad - Bald Engineer

Finding the chip with the bad connection can be a challenge, but if you are desperate, you can always reseat every chip on … 72400 la ferté-bernard WebThis is the number one problem that occurs with early Apple II's and Apple II plus machines.

Ibm formatted floppy disks