Very easy to build, small, internal, speed is 400-720kb/sec, able to mount OFS/FFS/fat95/...any? partitions

No autoboot, but it is working on a stock A500 (1.3 kickrom without fastram)!

Original schematic: http://www.mkl211015.altervista.org/ide/a500ide.html

https://www.mklboards.fi/ide/a500ide.html

DH0:

Device        = ide.device

FileSystem    = l:fat95

Unit          = 0

Flags         = 0

LowCyl        = 0 

HighCyl       = 0

Surfaces      = 1

BlocksPerTrack = 1

BlockSize     = 512

Reserved      = 0

Interleave    = 0

BootPri       = 0

Buffers       = 10

BufMemType    = 1

StackSize     = 4096

Priority      = 5

GlobVec       = -1

DosType       = 0x46415401

#

Components:

2pcs Male pin 2.54mm Header Socket Row Strip ( IDE pins)

2pcs 40Pin (2x32pin) 2.54mm Single Row Round Female Pin Header Socket (CPU socket+pins)

1pc 100uF capacitor

2pcs 0.33uF capacitor

1pc 74F00 TTL chip

1pc 74HCT688 TTL chip

1ps SIP-9 100K Ohm Resistors Array