System Board Options; Simm Upgrade; Checking System Memory - NEC POWERMATE VE - SERVICE MANUAL 08-1996 Service Manual

SYSTEM BOARD OPTIONS

SIMM, video, and processor OverDrives require locating the connector on the system
board. See the following figure for connector locations.
Cache
Socket
Processor
Socket
SIMM
Socket 1
SIMM
Socket 2
SIMM
Socket 3
Figure 3-8 System Board Upgrade Sockets and Connectors

SIMM Upgrade

SIMM sticks are installed into SIMM sockets on the system board. The system board
provides four SIMM sockets and supports up to 128 MB of high-speed EDO memory. The
system supports the following 32-bit (non-parity) 70 ns SIMMs:
T
1-MB by 32-bit (4-MB stick)
T
2-MB by 32-bit (8-MB stick)
T
4-MB by 32-bit (16-MB stick)
T
8-MB by 32-bit (32-MB stick).

Checking System Memory

Use the following procedure to:
T
check the memory installed in the system
T
determine the SIMM configuration needed to increase memory
SIMM
Socket 4
CAUTION: To avoid corrosion between
different metals, only use tin-plated SIMM sticks.
Option Installation
Audio Wave
Connector
Video DRAM
Sockets
3-9