#define BIOSCALLBUFSIZE PAGE_SIZE /* max is sizeof(VESA_SVGA_INFO) = 512 */
#define MAX_FREELDR_PE_SIZE (DISKREADBUFFER - FREELDR_PE_BASE)
#define MIN_DISKREADBUFFER_SIZE HEX(1000)
-#define MAX_DISKREADBUFFER_SIZE HEX(20000)
+#define MAX_DISKREADBUFFER_SIZE HEX(C000)
/* These addresses specify the realmode "BSS section" layout */
#define BSS_RealModeEntry (BSS_START + 0)