DIGITAL-LOGIC MICROSPACE PC/104 Technical User's Manual page 61

DIGITAL-LOGIC AG
How to access the onboard Solid State Disk (SSD) ?
programming sample:
;pay attention to the write cycle time delays
;Set Page
mov dx,0201h
mov al,02h
shl al,01
or al,80h
out dx,al
push es
;Set E-Segment
mov ax,0E000h
push ax
pop es
mov si,000Fh
;Read Flash/SRAM
mov al, ES:[si]
;Write to Flash
[write enable, write command cycle see datasheet 29F040]
mov ES[si],al
[write disable]
pop es
; = 3th page (see 9.1.1 Latch1)
; EEPROM inactiv
; Set page
; Seg to 0E0000h
; Pointer Flash in the 3th page (address 15th)
; Read from memory
; Write al into memory
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MSM486V Manual V3.22