Specifications

Little Board/P5i Technical Manual
2–32
Table 2–24 Byte-Wide Jumper Pin Signals (W15)
W15 Pin
Signal
Name Description
1 -- No connection
2 Vpp Programming power for Flash devices
3 -- No connection
4 A18 Address A18 (static)
5 Pin 3 Connection to pin 3 of the byte-wide socket
6 A19 Address A19 (static)
7 Pin 33 Connection to pin 33 of the byte-wide socket
8 SMEMW* Write strobe
9 Pin 31 Connection to pin 31 of the byte-wide socket
10 SA15 Address SA15 from the expansion bus
11 Pin 5 Connection to pin 5 of the byte-wide socket
12 SA14 Address SA14 from the expansion bus
13 A17 Address A17 (static)
14 Pin 32 Connection to pin 32 of the byte-wide socket
15 Vcc or
backup
battery
Connected to the center pin of W21. W21-1
connects to +5V; W21-3 connects to the backup
battery through an electronic switch.
2.11 FLAT PANEL/CRT VIDEO CONTROLLER
The Little Board/P5i provides an integrated high-performance super VGA video controller. The video
controller supports both CRT and flat panel displays. It uses four connectors to interface with external
devices. These connectors are summarized in Table 2–25. Complete hardware details about each
connector and the features they support are provided in sections that follow.