Unisys Aquanta CP Series, Configuration Manual

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System Specifications
3814 9779–000 A–9
Parallel Port Interface
The SMC FDC37C935 Super I/O Controller supports the parallel port. One Centronics
compatible parallel interface is provided with a 25-pin, D-type, female connector.
Also, ECP (Enhanced Compatibility Port) and EPP multi-mode bi-directional parallel
port functions are supported.
Table A–6. Parallel Port Parameters
Pin Signal
(SPP,ECP)
Mode
Pin
Direction
Signal
EPP Mode
Pin
Direction
1 STB# Bi-directional Write# Bi-directional
2 LP_D0 Bi-directional LP_D0 Bi-directional
3 LP_D1 Bi-directional LP_D1 Bi-directional
4 LP-D2 Bi-directional LP_D2 Bi-directional
5 LP_D3 Bi-directional LP-D3 Bi-directional
6 LP_D4 Bi-directional LP_D4 Bi-directional
7 LP_D5 Bi-directional LP_D5 Bi-directional
8 LP_D6 Bi-directional LP_D6 Bi-directional
9 LP_D7 Bi-directional LP_D7 Bi-directional
10 ACK# Input ACK# Input
11 BUSY Input BUSY Input
12 PE Input PE Input
13 SLCT Input SLCT Input
14 AUTOFD# Bi-directional DSTRB# Bi-directional
15 ERROR# Input ERROR# Input
16 INIT# Bi-directional INIT# Bi-directional
17 SLCTIN# Bi-directional ASTRB# Bi-directional
18 GND
continued