User manual

B. Specifications
132
J8 (Optional IDE)
J8 is an optional 44-pin (dual 22-pin) vertical receptacle with 2 mm contact spacing. An
IDE interface is provided through this connector. The pin assignments are given in the
"J8 Optional IDE Pinout" table below. The board connector is a SAMTEC STMM-122-
01-S-D-SM or equivalent.
J8 Optional IDE Pinout
Pin# Signal Type Description Pin# Signal Type Description
1 /RST1 Out Reset 23 /IOW Out I/O Write
2 GND ------ Ground 24 GND ------ Ground
3 D7 In/Out Latched Data
25 /IOR Out I/O Read
4 D8 In/Out Latched Data 26 GND ------ Ground
5 D6 In/Out Latched Data 27 RSVD ------ Reserved
6 D9 In/Out Latched Data 28 ALE Out
Address Latch
7 D5 In/Out Latched Data 29 RSVD ------ Reserved
8 D10 In/Out Latched Data 30 GND ------ Ground
9 D4 In/Out Latched Data 31 IRQ In Interrupt
10 D11 In/Out Latched Data
32 /IOCS16 In
16 Bit I/O Access
11 D3 In/Out Latched Data 33 ADDR1 Out Address Bit 1
12 D12 In/Out Latched Data 34 NC ------
Not connected
13 D2 In/Out Latched Data
35 ADDR0 Out Address bit 0
14 D13 In/Out Latched Data 36 ADDR2 Out Address bit 2
15 D1 In/Out Latched Data 37 /CS0 Out Chip Select 0
16 D14 In/Out Latched Data 38 /CS1 Out Chip Select 1
17 D0 In/Out Latched Data 39 /ACT Out Activity LED
18 D15 In/Out Latched Data 40 GND ------ Ground
19 GND ------ Ground 41 VCC ------ +5 Volts
20 KEY ------ Not Connected
42 VCC ------ +5 Volts
21 RSVD ------ Reserved 43 GND ------ Ground
22 GND ------ Ground 44 XT/AT Out
Interface Type