Ssd Memory Type Setting (M1 ~ M3 & Jp5); Rom Disk Installation; Uv Eprom (27Cxxx) - Sony 486DX User Manual

AR-B1474 User¡ ¦ s Guide
5.3.2 SSD Memory Type Setting (M1 ~ M3 & JP5)
1
2
3
M1, M2 & M3
1
2
3
M1, M2 & M3
1
2
3
M1, M2 & M3
1
2
3
M1, M2 & M3

5.4 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.

5.4.1 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.
5-6
A B C
JP5
1 2 3
1MX8 EPROM
(Only)
A B C
JP5
1 2 3
EPROM (128KX8, 256KX8 and 512KX8)
5V FLASH (64KX8, 128KX8 and 256KX8)
(Factory Preset)
A B C
JP5
1 2 3
5V FLASH (512KX8 Only)
A B C
JP5
1 2 3
SRAM
Figure 5-4 M1~M3 & JP5: Memory Type Setting