J8-J10 Dram Dimm Size; J11 Dreq# Signal Source For Dma-Type Pcmcia Cards - Motorola MBX Series Installation And Use Manual

Jumpers, Connectors, and LEDs
J8–J10 DRAM DIMM Size
6

J11 DREQ# Signal Source for DMA-type PCMCIA Cards

6-10
The MBX series embedded controller provides either 4MB or 16MB of on-
board DRAM, soldered in place. In addition, it accommodates 8MB,
16MB, 32MB, 64MB, or 128MB of expansion DRAM in a 168-pin DIMM
socket, XU3.
Because the MBX supports I
automatically detects the amount of memory installed in this socket. The
address width, however, is specified by jumper settings.
J8, J9, and J10 are configured as a set to match the size of the DRAM
module you have installed on the MBX. Set the jumpers as shown in the
following illustration to configure the MBX for the amount of expansion
DRAM in socket XU3.
J8
8MB
(factory
configuration)
1 2 3
16MB
1 2 3
32MB
1 2 3
64MB/
128MB
1 2 3
A single-slot PCMCIA interface (socket XJ26) and controller are available
on the MBX series embedded controller. The interface is configurable for
DMA or non-DMA PCMCIA cards; that is, the routing of the INPACK#
signal (needed for only some cards with DMA capability) can be defined.
2
C serial presence detect, the firmware
J9
1 2 3
1 2 3
1 2 3
1 2 3
Computer Group Literature Center Web Site
J10
1 2 3
1 2 3
1 2 3
1 2 3
2152 9805 (i)