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CARD-PCI/GX Hardware Manual
Rev.A
EPSON
41
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 3.5”FDD
DSKCHG#
WP#
INDEX#
TRK0#
RDATA#
DENSEL
WGATE#
HDSEL#
STEP#
DIR#
WDATA#
DR0#
MTR0#
DSKCHG#
WP#
INDEX#
TRK0#
RDATA#
DENSEL
WGATE#
HDSEL#
STEP#
DIR#
WDATA#
DR0#
MTR0#
+5V
4.7k
Ω×
8
Resistance of 4.7k
Ω
×
8 is not necessary when built into FDD.
Figure 4.2 FDD interface connection