PC-HDD/LG User’s Guide
7
PC-HDD/LG
Connector Pin Assignment
Pin
Signal
Function
I/O
Pin
Signal
Function
I/O
1
RESET-
Bus Reset
I
2
GND
Signal Ground
3
DB7
Data Bus Bit 7
I/O
4
DB8
Data Bus Bit 8
I/O
5
DB6
Data Bus Bit 6
I/O
6
DB9
Data Bus Bit 9
I/O
7
DB5
Data Bus Bit 5
I/O
8
DB10
Data Bus Bit 10
I/O
9
DB4
Data Bus Bit 4
I/O
10
DB11
Data Bus Bit 11
I/O
11
DB3
Data Bus Bit 3
I/O
12
DB12
Data Bus Bit 12
I/O
13
DB2
Data Bus Bit 2
I/O
14
DB13
Data Bus Bit 13
I/O
15
DB1
Data Bus Bit 1
I/O
16
DB14
Data Bus Bit 14
I/O
17
DB0
Data Bus Bit 0
I/O
18
DB15
Data Bus Bit 15
I/O
19
GND
Signal Ground
I/O
20
KEY
Key Pin
21
Open
22
GND
Signal Ground
23
IOW-
Host I/O Write
I
24
GND
Signal Ground
25
IOR-
Host I/O Read
I
26
GND
Signal Ground
27
IORDY
I/O ch RDY
O
28
Reserved
29
Reserved
30
GND
Signal Ground
31
INTRQ
Interrupt Request
O
32
IOCS16-
Drive 16 Bit I/O
O
33
ADD1
Host Address 1
I
34
PDIAG-
Passed Diagnostic
I/O
35
ADD0
Host Address 0
I
36
ADD2
Host Address 2
I
37
CSO-
Chip Select 0
I
38
CS1-
Chip Select 1
I
39
DASP-
Active (LED)
O
40
GND
+5V Return
41
+5V
+5VDC
42
+5V
+5VDC
43
GND
+5V Return
44
Reserved
Drive Characteristics (Logical Drive Format)
Description
Logical
Head
Number
Logical
Sector
/Track
Logical
Cylinder
Number
Logical
Sector
Size
Number
of
Sectors
Total
logical data
Bytes
PC-HDD/LG
16
63
16,383
512
39,070,080
20,003,880,960
Copyright
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results obtained by the user as a result of using this product.