User`s manual
Chapter 2 Hardware Configuration 
Page: 2-16 
Prox-B501 USER
c
S MANUAL 
2-21. HARD DISK DRIVE CONNECTOR 
IDE1: Hard Disk Drive Connector 
The Prox-B501 possesses two HDD connectors, IDE1 and IDE2. The 
pin assignments are as follows: 
PIN ASSIGNMENT  PIN  ASSIGNMENT 
1 IDERST  2 GND 
3 PDD7  4 PDD8 
5 PDD6  6 PDD9 
7 PDD5  8 PDD10 
9 PDD4  10 PDD11 
11 PDD3  12 PDD12 
13 PDD2  14 PDD13 
15 PDD1  16 PDD14 
17 PDD0  18 PDD15 
19 GND  20 NC 
21 PDREQ  22 GND 
23 PDIOW#  24 GND 
25 PDIOR#  26 GND 
27 PIORDY  28 PULL LOW 
29 PDDACK#  30 GND 
31 IRQ14  32 NC 
33 PDA1  34 P66 DETECT 
35 PDA0  36 PDA2 
37 PDCS#1  38 PDCS#3 
39 IDEACTP#  40 GND 










