Fdd - Epson SCE8720C Series Hardware Manual

4.3 FDD

1 unit of 3.5" FDD can be connected. 2 modes, 720KB and 1.44MB, are available.
Connection method of FDD is shown below.
SCE8720C
DSKCHG#
WP#
INDEX#
TRK0#
RDATA#
DENSEL
WGATE#
HDSEL#
STEP#
DIR#
WDATA#
DR0#
MTR0#
Resistance of 4.7kΩ × 8 is not necessary when built into FDD.
Rev.A
4.7kΩ×8
Figure 4.2 FDD interface connection
EPSON
CARD-PCI/GX Hardware Manual
+5V
DSKCHG#
WP#
INDEX#
TRK0#
RDATA#
DENSEL
WGATE#
HDSEL#
STEP#
DIR#
WDATA#
DR0#
MTR0#
3.5"FDD
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