User I/O Connector (J5); Table 4-5. J5 User I/O Connector - Motorola MCP750 Installation And Use Manual

Table 4-4. J4 Local PCI Expansion Connector (Continued)
1 INTA#

User I/O Connector (J5)

Connector J5 is a 110 pin (excluding row F) AMP Z-pack 2mm hard metric
type B connector. This connector routes the I/O signals for the IDE
(primary and secondary ports), the keyboard, the mouse, the two USB
ports, and the printer ports. The pin assignments for J5 are as follows (the
outer row F is assigned and used as ground pins but is not shown in the
table):
ROW A
22 Reserved
21 KBDDAT
20 Reserved
19 STB_L
18 AFD_L
17 PD2
16 PD6
15 SLCT
14 RTSa
13 DCDa
12 RTSb
11 DCDb
10 TR0_L
9 MTR1_L
8 RESERVED
7 CS1FX_L
6 IOCS16_L
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INTB# INTC#

Table 4-5. J5 User I/O Connector

ROW B ROW C
GRD Reserved
KBDCLK KBAUXVCC
Reserved Reserved
GND UVCC0
UDATA1+ UDATA1-
INIT_L PD1
PD5 PD4
PE BUSY
CTSa RIa
+5V RXDa
CTSb RIb
GND RXDb
WPROT_L RDATA_L
DIR_L STEP_L
INDEX_L MTR0_L
CS3FX_L DA1
GRD PDIAG_L
Common Connectors
INTD# RST#
ROW D ROW E
+5V SPKROC_L
AUXDAT AUXCLK
GND Reserved
UDATA0+ UDATA0-
GND UVCC1
ERR_L PD0
PD3 SLIN_L
ACK_L PD7
GND DTRa
DSRa TXDa
+5V DTRb
DSRb TXDb
HDSEL_L DSKCHG_L
WDATA_L WGATE_L
DS1_L DS0_L
DASP_L RESERVED
DA0 DA2
1
4
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
4-7