Transcend 40-Pin IDE Flash Module
128MB ~ 8GB
Input Power
Pin Assignments
The 40-Pin IDE Flash Module offers 2 ways to get
input power, either via the small power cord or
through Pin 20 of the IDE connector. If Pin 20 of the
IDE connector is defined as NC (No Connect), then
the 40-Pin IDE Flash Module must be directly
connected to your system’s power supply. If Pin 20 of
the IDE connector is defined as VCC, then the 40-Pin
IDE Flash Module can get necessary power without
use of the power cord.
Pin
No. Name No. Name No. Name No. Name
01 -RESET 11 HD3 21 DMARQ 31 IREQ
32 IOIS16B
13 HD2 23 IOWB 33 HA1
14 HD13 24 GND 34 PDIAGB
15 HD1 25 IORB 35
16 HD14 26 GND 36
17 HD0 27 IORDY 37
NC 38
Pin
Pin Pin Pin
Pin
Pin
Pin
02
03
04
05
06
07
GND
HD7
HD8
HD6
HD9
HD5
12 HD12 22
GND
HA0
HA2
CE1B
CE2B
08 HD10 18 HD15 28
09 HD4
10 HD11 20 VCC 30
19 GND 29 -DMACK 39 DASPB
GND
40
GND
Pin Layout
Pin Definition
Symbol
Function
Bulge
Pin1
Pin39
HD0 ~ HD15 Data Bus (Bi-directional)
HA0 ~ HA2
-RESET
IORB
Address Bus (Input)
Device Reset (Input)
Device I/O Read (Input)
Device I/O Write (Input)
IOWB
IOIS16B
Transfer Type 8/16 bit (Output)
CE1B, CE2B Chip Select (Input)
PDIAGB
Pass Diagnostic (Bi-directional)
Pin2
Pin40
Disk Active/Slave Present
(Bi-directional)
DASPB
DMARQ
-DMACK
IORDY
IREQ
DMA request
DMA acknowledge
I/O channel ready
Interrupt Request (Output)
No Connection
Ground
NC
GND
VCC
Vcc Power Input
2
Transcend Information Inc.
Ver 1.7
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