There are very few online resources about this PC. It is a rebranded Amstrad 3386. It is famous for a proprietary design of the keyboard, which can’t be replaced with anything commonly available. Without a keyboard, the PC will not boot
The CMOS battery is integrated into Dallas DS1287 real time clock controller chip. The integrated battery can be replaced with an external one, following these instructions.
|Mouse IRQ on 5,4,9,3||LK9-LK12|
|RAM size||LK19-LK22 (see memory section below)|
|RAM speed||LK23-LK24 (see memory section below)|
|Enable onboard HD controlled||LK27|
|Enable onboard VGA||LK28|
|Enable onboard mouse interface||LK30|
|Enable onboard parallel printer port (LPT1)||LK31|
|Enable onboard floppy disk controller||LK32|
|Enable onboard serial interface (COM1)||LK33|
|Enable Power On Self Test (POST)||LK34|
|Enable expansion bus cache||LK36|
Memory can be expanded by installing different size SIMM modules.
|1MB||4 x 256kB||IN||IN||OUT||OUT|
|2MB||2 x 1MB + 2 x empty||IN||OUT||OUT||IN|
|2.5MB||2 x 256kB + 2 x 1MB||OUT||IN||IN||IN|
|4MB||4 x 1MB||OUT||IN||IN||OUT|
|8MB||2 x 4MB + 2 x empty||OUT||IN||OUT||OUT|
|16MB||4 x 4MB||OUT||OUT||OUT||OUT|
ISA Interposer Card
This is not the keyboard that originally came with this PC. It is an Amstrad PC2386 keyboard, which is compatible with 3386 systems. Please check out the Amstrad 2386 Keyboard page where the keyboard is described in details, including the communication protocol it uses.
Hard Disk Drive
45 MB Seagate ST-157A-1. The correct parameters for this drive are provided on this page.
That’s a rare gem, only ever seen these in a magazine once as a kid.