SMC Networks 486DX4 - Manual (Page 56)

AR-B1462 User¡ ¦s Guide
6-6
M1, M2, M3, & M4 EPROM (128KX8, 256KX8 and 512KX8)
5V FLASH (64KX8, 128KX8 and 256KX8)
(Factory Preset)
5V FLASH (512KX8 Only)
SRAM
M1, M2, M3, & M4
M1, M2, M3, & M4
1
2
3
A B C
1
2
3
A B C
1
2
3
A B C
M1, M2, M3, & M4
1
2
3
A B C
1
2
3
JP8
1MX8 EPROM (Only)
1
2
3
JP8
1
2
3
JP8
1
2
3
JP8
Figure 6-3 M1~M4 & JP8: Memory Type Setting
6.4 ROM DISK INSTALLATION
The section describes the various type SSDs’ installation steps as follows. The jumper and switch adjust as SSD’ s
different type to set.
6.4.1 UV EPROM (27Cxxx)
(2) Switch and Jumper Setting
Step 1: Use jumper block to set the memory type as ROM (FLASH).
Step 2: Select the proper I/O base port, firmware address, disk drive number and EPROM type on SW1.
Step 3: Insert programmed EPROM(s) or FLASH(s) chips into sockets starting at MEM1.
ON
1 2 3 4 5 6 7 8 9 10
OFF
Figure 6-4 UV EPROM (27CXXX) Switch Setting