PCChips/Hsin Tech M205
Chipset
Sockets 
FSB speeds 12.5MHz16MHz20MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions305mm x 217mm
Cache
None/Integrated in the CPU
Max RAM size
2MB
RAM types DIP-20 (4bit)DIP-16 (1bit)
PSU connector
I/O ports1x
AT Keyboard
Expansion slots5x
16-bit ISA
3x
8-bit ISA
Known issues
- Leaky Ni-Cd clock battery
The Ni-Cd battery may be leaking, risking damage to PCB layers & nearby components. Promptly remove the battery & clean corrosion/alkaline salts from the board. Use white vinegar to dissolve salts, but exercise caution as vinegar can corrode exposed metals. A thorough examination & repair may be needed. Replace battery with guide: https://github.com/wiretap-retro/Not-A-Varta
Notes
- Similar but slightly different than the Hedaka-986 & TD60
- Has a header at CN10 / Has resistor "R000" above the D60 chip
Last updated 2025-06-26T15:28:01Z
Board info score is 9.6/10
Chips
-> Chipset part
City Gate D60
Intel 8237A (DMA Controller)
Intel 8254 (Programmable Interval Timer)
Intel 8259A (Programmable Interrupt Ctrl.)
-> Human Interface
-> Real-Time Clock
2 drivers available
Name
Version
OS support
Arch
Size
Filename
Name
Version
4.30
OS support
MS-DOS
Arch
Size
8.9KB
Filename
Name
Version
2.27
OS support
MS-DOS
Arch
Size
Empty
Filename
1 board document available
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1995-11-30
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1997-06-13
File
Logs
Chip
Release date
1997-06-13
File
Logs
Chip
Release date
1997-06-13
File
Logs
Chip
Release date
1995-11-22
File
Logs
Chip
Release date
1994-07
File
Logs
Chip
Release date
1996-01
File
Logs
Image 1 of 3 (Microhouse)
Image 2 of 3 (MMaximus)
Image 3 of 3 (MMaximus)
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